Disclosure of Invention
The invention aims to provide a medium-voltage high-speed analog optical fiber intelligent communication terminal with a communication interference prevention function so as to solve the problems in the background technology.
In order to achieve the aim, the invention provides the technical scheme that the medium-voltage high-speed analog optical fiber intelligent communication terminal with the communication interference prevention function comprises an information input system, wherein the information input system is used for receiving information sent by the intelligent communication terminal, the output end of the information input system is provided with a communication interference prevention system, and the communication interference prevention system is used for filtering interference signals received by the information input system;
The anti-communication interference system comprises an anti-interference filter and an adaptive filtering module, wherein the anti-interference filter is used for filtering external interference signals, the adaptive filtering module comprises an adjustable filter and an adaptive algorithm unit, the adjustable filter is used for automatically adjusting parameters of the adjustable filter according to characteristics of input signals, and the adaptive algorithm unit is used for adjusting parameters of the adjustable filter.
Preferably, the information input system comprises an input analog converter, an optical transmitter and an optical fiber, wherein the analog converter converts a signal input by a user into an analog signal, the optical transmitter converts the analog signal converted by the analog converter into an optical analog signal, the optical fiber transmits the optical analog signal to the communication interference prevention system, the output end of the communication interference prevention system is provided with an optimized transmission system, the output end of the optimized transmission system is provided with an information control system, and the information control system is used for transmitting and processing information received by the information input system.
Preferably, the optimized transmission system includes an adaptive power adjustment module, an adaptive modulation coding module and an automatic request retransmission module, where the adaptive power adjustment module is used to monitor interference condition and signal quality of an information transmission path in real time and dynamically adjust transmission power of a signal according to monitored data, the adaptive modulation coding module is used to dynamically adjust modulation mode and coding rate according to current information transmission path condition and feedback data of received signal quality, and the automatic request retransmission module is used to send request retransmission data to a sending end when the signal input system detects a data error.
Preferably, the adaptive power adjustment module increases the transmission power of the internal signal of the medium-voltage high-speed analog optical fiber intelligent communication terminal when the interference is strong, and decreases the transmission power of the internal signal of the medium-voltage high-speed analog optical fiber intelligent communication terminal when the interference is weak so as to save energy;
the self-adaptive modulation coding module adopts high-order modulation and higher coding rate when the quality of the internal information transmission path of the medium-voltage high-speed analog optical fiber intelligent communication terminal is good, and adopts low-order modulation and lower coding rate when the quality of the internal information transmission path of the medium-voltage high-speed analog optical fiber intelligent communication terminal is poor;
The automatic request retransmission module sends out a retransmission information request when detecting that the information input system receives the information error.
Preferably, the information control system comprises an information processing module, an information control module, an information storage module and a user interface module, wherein the information processing module is used for converting original information received by the medium-voltage high-speed analog optical fiber intelligent communication terminal into an electric signal and processing the electric signal, the information control module is used for coordinating the work of each module and realizing the interaction between a user and the medium-voltage high-speed analog optical fiber intelligent communication terminal, the information storage module is used for storing program codes, data and user information of the medium-voltage high-speed analog optical fiber intelligent communication terminal, and the user interface module is used for carrying out communication and operating the medium-voltage high-speed analog optical fiber intelligent communication terminal.
Preferably, the output end of the information control system is provided with an encryption authentication system, the encryption authentication system is used for protecting the internal information of the medium-high-speed analog optical fiber intelligent communication terminal, the output end of the encryption authentication module is provided with a safety protection system, the safety protection system is used for protecting the safety of medium-high-speed analog optical fiber intelligent communication terminal equipment and communication data, the output end of the safety protection system is provided with an information output system, and the information output system is used for transmitting the information in the intelligent communication terminal to a user or other equipment.
Preferably, the encryption authentication system comprises an asymmetric encryption algorithm module and a double-factor authentication module, wherein the asymmetric encryption algorithm module is used for encrypting communication data, and the double-factor authentication module comprises a password authentication unit, a fingerprint identification unit, a face identification unit and a short message authentication unit which are all used for identity authentication of a user.
Preferably, the asymmetric encryption algorithm module comprises a pair of public keys and private keys, the sender uses the public key of the receiver to encrypt, and the receiver uses the private key of the receiver to decrypt;
The password authentication unit is used for requiring a user to input a correct password to access the medium-pressure high-speed analog optical fiber intelligent communication terminal;
the medium-pressure high-speed analog optical fiber intelligent communication terminal scans the fingerprint of the user and compares the fingerprint with pre-stored fingerprint information to confirm the identity of the user;
The face recognition unit is used for capturing a face image of a user through a camera by the medium-pressure high-speed analog optical fiber intelligent communication terminal, and comparing the face image with the pre-stored face features to confirm the identity of the user;
And the short message verification unit is used for receiving a short message which is sent by the medium-voltage high-speed analog optical fiber intelligent communication terminal and contains verification codes when a user logs in or carries out sensitive operation, and the user needs to input the correct verification codes to complete verification.
Preferably, the security protection system comprises a firewall module, an intrusion detection module and an antivirus module, wherein the firewall module is used for protecting the intelligent communication terminal from network attacks and unauthorized accesses, the intrusion detection module is used for monitoring abnormal activities and attack behaviors in a network, and the antivirus module is used for detecting and removing malicious software in the intelligent communication terminal.
Preferably, the information output system comprises an optical receiver, an output analog converter and an output interface, wherein the optical receiver is used for receiving the optical analog signal output by the safety protection system, converting the optical analog signal into an electric analog signal and transmitting the electric analog signal to the output analog converter, the output analog converter converts the received electric analog signal into an analog signal which can be identified by a user, and the output interface outputs the analog signal processed by the output analog converter to the user or other equipment.
Compared with the prior art, the invention has the beneficial effects that:
1. The invention can complement each other by installing the anti-communication interference system, the anti-interference filter and the self-adaptive filter module, the anti-interference filter can filter the interference signal in the specific frequency range selectively, the interference signal is primarily filtered in the physical layer, the influence of the interference on the system is reduced, the self-adaptive filter module can automatically adjust the filter parameters according to the characteristics of the input signal, and dynamically adjust the parameters of the filter according to the real-time signal environment and the interference condition, so as to adapt to different transmission conditions, the residual interference is further restrained and compensated in the digital signal processing layer, the anti-interference capability and the signal quality of the system are improved, the performance of the transmission system is further improved, the receiving quality of the system on the useful signal is improved, the influence of the interference on the system is effectively resisted, and the problem that the intelligent communication terminal does not have the anti-communication interference function, and the intelligent communication quality is reduced can be solved.
2. The invention can realize more flexible and efficient signal transmission by installing the optimized transmission system and simultaneously using the self-adaptive adjustment power module, the self-adaptive modulation coding module and the automatic request retransmission module, the self-adaptive adjustment power module can dynamically adjust the transmission power according to the condition of the information transmission path so as to adapt to different transmission environments, the self-adaptive modulation coding module can dynamically select a proper modulation mode and coding rate according to the quality of the information transmission path so as to furthest improve the transmission efficiency and reliability, the automatic request retransmission module can send a request to a transmitting end when a receiving end detects data errors, the data is required to be retransmitted, the reliability of data transmission is effectively improved, the comprehensive application can further optimize the transmission performance of signals, improve the capacity and coverage area of the intelligent communication terminal, simultaneously reduce the interference and energy consumption, enable the intelligent communication terminal to realize more reliable and efficient data transmission in complex interference environments, and solve the problem of poor performance of the intelligent communication terminal caused by low information transmission efficiency of the intelligent communication terminal.
3. According to the invention, by installing the encryption authentication system, the asymmetric encryption algorithm module and the double-factor authentication module are used at the same time, the confidentiality of communication data is protected by the asymmetric encryption algorithm, the authenticity of the user identity is ensured by the double-factor authentication, the safety and the protection capability of the intelligent communication terminal are improved together, the intelligent communication terminal generates a pair of public keys and private keys, the public keys are used for encrypting the data, the private keys are used for decrypting the data, the confidentiality of the communication data in the transmission process is ensured, and then the double-factor authentication module is used, even if an attacker obtains the password of the user, the user can successfully log in by additional two or more than two different identity verifications, the safety of the communication terminal is improved, the unauthorized person is prevented from stealing and falsifying, and the problem that the intelligent communication terminal has no encryption and authentication functions and has poor safety can be solved.
4. According to the intelligent communication terminal security protection system, the firewall module, the intrusion detection module and the antivirus module are simultaneously used, the firewall module can prevent unauthorized access and malicious attack, the intrusion detection module can timely detect intrusion behaviors, the antivirus module can prevent invasion of malicious software to user privacy, the user privacy of the intelligent communication terminal is jointly protected, the firewall module, the intrusion detection module and the antivirus module can cooperatively form a multi-layer security protection system, network attack and malicious software invasion are effectively prevented, the security and the resistance of the intelligent communication terminal are improved, the security of the intelligent communication terminal is improved, and the problem that the intelligent communication terminal security is poor due to the fact that the intelligent communication terminal does not have a function of protecting the user privacy is solved.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 and 2, an embodiment of the present invention includes an information input system, where the information input system is configured to receive information sent by an intelligent communication terminal, an output end of the information input system is installed with a communication interference prevention system, and the communication interference prevention system is configured to filter interference signals received by the information input system;
The anti-communication interference system comprises an anti-interference filter and an adaptive filtering module, wherein the anti-interference filter is used for filtering external interference signals, the adaptive filtering module comprises an adjustable filter and an adaptive algorithm unit, the adjustable filter is used for automatically adjusting parameters of the adjustable filter according to characteristics of input signals, and the adaptive algorithm unit is used for adjusting parameters of the adjustable filter.
The self-adaptive algorithm unit is used for generating an output signal after the input signal passes through the adjustable filter, comparing the output signal with a standard signal to obtain an error signal, adjusting the weight coefficient of the adjustable filter by the error signal and the input signal through the self-adaptive algorithm to minimize the error signal, repeating the process, and gradually knowing the statistical rule of the input signal and interference noise by the adjustable filter through the self-adaptive algorithm in the working process, thereby achieving the best filtering effect according to the automatic adjustment of the weight coefficient of the adjustable filter;
the anti-interference filter and the self-adaptive filter module can be mutually complemented, the anti-interference filter can improve the receiving quality of a transmission system on useful signals by selectively filtering interference signals in a specific frequency range so as to reduce the influence of interference on the transmission system to the greatest extent, the interference signals are primarily filtered out in a physical layer, the influence of the interference on the system is reduced, the self-adaptive filter module can automatically adjust filter parameters according to the characteristics of input signals, dynamically adjust the parameters of the filter according to the real-time signal environment and interference conditions so as to adapt to different transmission conditions, the residual interference is further inhibited and compensated in a digital signal processing layer, the anti-interference capability and the signal quality of the system are improved, and the performance of the transmission system is further improved.
Referring to fig. 1, 2,3, 4 and 5, in one embodiment of the present invention, the information input system includes an input analog converter, an optical transmitter and an optical fiber, the analog converter converts a signal input by a user into an analog signal, the optical transmitter converts the analog signal converted by the analog converter into an optical analog signal, the optical fiber transmits the optical analog signal to the anti-communication interference system, an output end of the anti-communication interference system is provided with an optimized transmission system, an output end of the optimized transmission system is provided with an information control system, and the information control system is used for transmitting and processing information received by the information input system.
Further, the information input system converts a signal input by a user into an analog signal through an input analog converter, then converts the analog signal into an optical analog signal through an optical transmitter, and finally transmits the optical analog signal to the communication interference prevention system through an optical fiber.
Referring to fig. 4, in one embodiment of the present invention, the optimized transmission system includes an adaptive power adjustment module, an adaptive modulation coding module, and an automatic request retransmission module, where the adaptive power adjustment module is configured to monitor interference conditions and signal quality of an information transmission path in real time and dynamically adjust transmission power of a signal according to monitored data, the adaptive modulation coding module is configured to dynamically adjust a modulation mode and a coding rate according to current information transmission path conditions and feedback data of received signal quality, and the automatic request retransmission module is configured to send request retransmission data to a transmitting end when a signal input system detects a data error.
Further, by using the adaptive adjustment power module, the adaptive modulation coding module and the automatic request retransmission module simultaneously, more flexible and efficient signal transmission can be realized, the transmission performance of signals is further optimized, the capacity and coverage of the intelligent communication terminal are improved, meanwhile, the interference and energy consumption are reduced, and the intelligent communication terminal can realize more reliable and efficient data transmission in a complex interference environment.
Referring to fig. 4, in one embodiment of the present invention, the adaptive power adjustment module increases the transmission power of the internal signal of the medium-voltage high-speed analog optical fiber intelligent communication terminal when the interference is strong, and decreases the transmission power of the internal signal of the medium-voltage high-speed analog optical fiber intelligent communication terminal when the interference is weak so as to save energy;
the self-adaptive modulation coding module adopts high-order modulation and higher coding rate when the quality of the internal information transmission path of the medium-voltage high-speed analog optical fiber intelligent communication terminal is good, and adopts low-order modulation and lower coding rate when the quality of the internal information transmission path of the medium-voltage high-speed analog optical fiber intelligent communication terminal is poor;
The automatic request retransmission module sends out a retransmission information request when detecting that the information input system receives the information error.
Further, the self-adaptive power adjustment module can dynamically adjust the transmitting power according to the information transmission path condition, when the interference is strong, the self-adaptive power adjustment module increases the transmitting power of the signal to improve the strength of the signal, so as to resist the interference, and when the interference is weak, the self-adaptive power adjustment module decreases the transmitting power of the signal to save energy and reduce the interference to other devices so as to adapt to different transmission environments;
the self-adaptive modulation coding module can dynamically select a proper modulation mode and coding rate according to the quality of an information transmission path, when the quality of the information transmission path is good, the data transmission rate is improved by adopting high-order modulation and higher coding rate, and when the quality of the information transmission path is poor, the transmission efficiency and reliability are improved to the greatest extent by adopting low-order modulation and lower coding rate;
the automatic request retransmission module can send a request to the sending end when the receiving end detects the data error, so as to request the data to be retransmitted, effectively improve the reliability of the data transmission,
Referring to fig. 1, in one embodiment of the present invention, the information control system includes an information processing module, an information control module, an information storage module and a user interface module, where the information processing module is used to convert original information received by the medium-voltage high-speed analog optical fiber intelligent communication terminal into an electrical signal and perform signal processing, the information control module is used to coordinate the operations of each module and implement the interaction between a user and the medium-voltage high-speed analog optical fiber intelligent communication terminal, the information storage module is used to store program codes, data and user information of the medium-voltage high-speed analog optical fiber intelligent communication terminal, and the user interface module is used to perform communication and operate the medium-voltage high-speed analog optical fiber intelligent communication terminal.
Furthermore, the information processing module, the information control module, the information storage module and the user interface module form a complete information control system together, so that the information processing, storage, control and communication in the intelligent communication terminal are realized, and meanwhile, the coordination and interaction among the modules enable the information control system to flexibly and efficiently operate and meet the requirements of users.
Referring to fig. 1, 5 and 6, in one embodiment of the present invention, an encryption and authentication system is installed at an output end of the information control system, the encryption and authentication system is used for protecting internal information of the medium-voltage high-speed analog optical fiber intelligent communication terminal, a security protection system is installed at an output end of the encryption and authentication module, the security protection system is used for protecting security of medium-voltage high-speed analog optical fiber intelligent communication terminal equipment and communication data, an information output system is installed at an output end of the security protection system, and the information output system is used for transmitting information in the intelligent communication terminal to a user or other equipment.
Further, the encryption authentication system is located at the output end of the information control system and used for protecting the safety of information in the medium-high-speed analog optical fiber intelligent communication terminal, the output end of the encryption authentication module is provided with a safety protection system and used for protecting the safety of medium-high-speed analog optical fiber intelligent communication terminal equipment and communication data, and the output end of the safety protection system is provided with an information output system and used for transmitting the information in the medium-high-speed analog optical fiber intelligent communication terminal to a user or other equipment.
Referring to fig. 5, in one embodiment of the present invention, the encryption authentication system includes an asymmetric encryption algorithm module and a two-factor authentication module, where the asymmetric encryption algorithm module is used for encrypting communication data, and the two-factor authentication module includes a password authentication unit, a fingerprint identification unit, a face identification unit, and a short message authentication unit, where the password authentication unit, the fingerprint identification unit, the face identification unit, and the short message authentication unit are all used for user authentication.
Furthermore, by using the asymmetric encryption algorithm module and the two-factor authentication module at the same time, the asymmetric encryption algorithm protects confidentiality of communication data, and the two-factor authentication ensures authenticity of user identity, so that safety and protection capability of the intelligent communication terminal are improved together.
Referring to fig. 5, in one embodiment of the present invention, the asymmetric encryption algorithm module includes a pair of public keys and private keys, a sender encrypts with a public key of a receiver, and the receiver decrypts with its private key;
The password authentication unit is used for requiring a user to input a correct password to access the medium-pressure high-speed analog optical fiber intelligent communication terminal;
the medium-pressure high-speed analog optical fiber intelligent communication terminal scans the fingerprint of the user and compares the fingerprint with pre-stored fingerprint information to confirm the identity of the user;
The face recognition unit is used for capturing a face image of a user through a camera by the medium-pressure high-speed analog optical fiber intelligent communication terminal, and comparing the face image with the pre-stored face features to confirm the identity of the user;
And the short message verification unit is used for receiving a short message which is sent by the medium-voltage high-speed analog optical fiber intelligent communication terminal and contains verification codes when a user logs in or carries out sensitive operation, and the user needs to input the correct verification codes to complete verification.
And then, even if an attacker obtains the user password, the attacker still needs two or more than two different identity verifications to successfully log in, thereby improving the safety of the communication terminal and preventing the communication terminal from being stolen and tampered by unauthorized people.
Referring to fig. 6, in one embodiment of the present invention, the security protection system includes a firewall module, an intrusion detection module, and an antivirus module, where the firewall module is used to protect the intelligent communication terminal from network attacks and unauthorized accesses, the intrusion detection module is used to monitor abnormal activities and attack behaviors in the network, and the antivirus module is used to detect and remove malware in the intelligent communication terminal.
Further, by using the firewall module, the intrusion detection module and the antivirus module simultaneously, the firewall module limits the access of the external network to the intelligent communication terminal according to a preset security policy by monitoring and controlling the network flow, prevents unauthorized connection and request, prevents sensitive information from flowing out of the intelligent communication terminal, and records detailed information of access and connection so as to carry out security audit and event investigation;
the intrusion detection module is used for identifying and reporting potential intrusion behaviors by monitoring network traffic and system events in real time, identifying network traffic and system events matched with known attack modes or abnormal behaviors by a characteristic detection and behavior analysis method, and taking corresponding measures for blocking and responding the detected intrusion behaviors according to a preset response strategy to synchronously generate detailed reports and log records;
The anti-virus module acquires the latest virus definition and repair program through automatic updating, and scans the system files and the downloaded files regularly, so that potential security threats are found and cleared in time, real-time protection and monitoring alarm is provided, damage of malicious software to user privacy can be prevented, and the user privacy of the intelligent communication terminal is protected;
The firewall module, the intrusion detection module and the antivirus module can cooperate together to form a multi-layer security protection system, so that network attacks and the intrusion of malicious software are effectively prevented, the security and the resistance of the intelligent communication terminal are improved, and the security of the intelligent communication terminal is improved.
Referring to fig. 1, in one embodiment of the present invention, the information output system includes an optical receiver, an output analog converter and an output interface, where the optical receiver is configured to receive an optical analog signal output by the security protection system, convert the optical analog signal into an electrical analog signal, transmit the electrical analog signal to the output analog converter, and the output analog converter converts the received electrical analog signal into an analog signal recognizable by a user, and the output interface outputs the analog signal processed by the output analog converter to the user or other devices.
Further, the optical receiver plays a role of receiving optical signals in the information output system and converting the optical signals into electric analog signals, so that subsequent signal processing and transmission are facilitated, the electric analog signals received by the optical receiver are transmitted to the output analog converter, the output analog converter is responsible for converting the electric analog signals into analog signals recognizable to users so that the users can understand and use the signals, and finally, the analog signals processed by the output analog converter are output to users or other devices through an output interface so as to meet the demands of the users or be connected to the other devices for further processing.
When the medium-voltage high-speed analog optical fiber intelligent communication terminal with the communication interference prevention function is used, the input analog converter is used for converting a signal input by a user into an analog signal, then the optical transmitter is used for converting the analog signal into an optical analog signal, and the optical analog signal is transmitted to the communication interference prevention system through the optical fiber;
The anti-communication interference system is used for preventing external interference from influencing communication quality, and the anti-interference filter is used for improving the receiving quality of a transmission system on useful signals by selectively filtering interference signals in a specific frequency range so as to reduce the influence of interference on the transmission system to the greatest extent, and the physical layer is used for primarily filtering the interference signals to reduce the influence of interference on the system;
The self-adaptive filtering module can automatically adjust filtering parameters according to the characteristics of the input signals so as to adapt to different transmission conditions, and further inhibit and compensate residual interference in the digital signal processing layer, so that the anti-interference capability and the signal quality of the system are improved, the performance of the transmission system is further improved, and only effective communication signals can be ensured to pass through;
The self-adaptive power adjustment module can dynamically adjust the sending power according to the information transmission path condition, when the interference is strong, the self-adaptive power adjustment module increases the transmission power of the signal to improve the strength of the signal, so as to resist the interference, and when the interference is weak, the self-adaptive power adjustment module decreases the transmission power of the signal to save energy and reduce the interference to other devices, so as to adapt to different transmission environments;
the self-adaptive modulation coding module can dynamically select a proper modulation mode and coding rate according to the quality of an information transmission path, when the quality of the information transmission path is good, the data transmission rate is improved by adopting high-order modulation and higher coding rate, and when the quality of the information transmission path is poor, the transmission efficiency and reliability are improved to the greatest extent by adopting low-order modulation and lower coding rate;
The automatic request retransmission module can send a request to the sending end when the receiving end detects data errors, and the data is required to be retransmitted, so that the reliability of data transmission is effectively improved, the comprehensive application can further optimize the transmission performance of signals, improve the capacity and coverage of the intelligent communication terminal, reduce interference and energy consumption, and ensure that the intelligent communication terminal can smoothly transmit information under different interference environments;
the information processing module is used for converting original information into electric signals and carrying out signal processing, the information control module is used for coordinating the work of each module and realizing the interaction between a user and a terminal, the information storage module is used for storing program codes, data and user information of the intelligent communication terminal, the user interface module is used for carrying out communication and operating the terminal, and the communication interface module is used for connecting with an external communication network;
The security of communication and the privacy of a user are ensured through the encryption authentication system, the confidentiality of communication data is protected through the asymmetric encryption algorithm module and the two-factor authentication module, the authenticity of the identity of the user is ensured through the two-factor authentication, the security and the protection capability of the intelligent communication terminal are jointly improved, the intelligent communication terminal generates a pair of public keys and private keys, the public keys are used for encrypting the data, the private keys are used for decrypting the data, and the confidentiality of the communication data in the transmission process is ensured;
Then, a two-factor authentication module is used, even if an attacker obtains the password of the user, the user still needs to successfully log in through two or more different identity verifications in the password authentication unit, the fingerprint identification unit, the face identification unit and the short message verification unit, so that the safety of the communication terminal is improved, malicious interference and attack are prevented, and the data is prevented from being eavesdropped or tampered in the transmission process;
The security protection system is used for protecting the security of the terminal equipment and the communication data, the firewall module is used for limiting the access of an external network to the intelligent communication terminal according to a preset security policy by monitoring and controlling the network flow, preventing unauthorized connection and request, preventing sensitive information from flowing out of the intelligent communication terminal, and recording the detailed information of access and connection so as to carry out security audit and event investigation;
the intrusion detection module is used for identifying and reporting potential intrusion behaviors by monitoring network traffic and system events in real time, identifying network traffic and system events matched with known attack modes or abnormal behaviors by a characteristic detection and behavior analysis method, and taking corresponding measures for blocking and responding the detected intrusion behaviors according to a preset response strategy to synchronously generate detailed reports and log records;
The anti-virus module acquires the latest virus definition and repair program through automatic updating, and scans the system files and the downloaded files regularly, so that potential security threats are found and cleared in time, real-time protection and monitoring alarm is provided, damage of malicious software to user privacy can be prevented, and the user privacy of the intelligent communication terminal is protected;
the firewall module, the intrusion detection module and the antivirus module can cooperate together to form a multi-level security protection system, so that network attacks and the intrusion of malicious software are effectively prevented, the security and the resistance of the intelligent communication terminal are improved, and the security of the intelligent communication terminal is improved;
The optical receiver receives the optical analog signals and converts the optical analog signals into electric analog signals, the subsequent signal processing and transmission are facilitated, the electric analog signals received by the optical receiver are transmitted to the output analog converter, the output analog converter is responsible for converting the electric analog signals into analog signals which can be identified by a user so that the user can understand and use the signals, and finally, the analog signals processed by the output analog converter are output to the user or other equipment through an output interface so as to meet the requirements of the user or be connected to other equipment for further processing.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.