A kind of scatter communication high-frequency apparatus of full frequency band work
Technical field
The present invention relates to the scatter communication high-frequency apparatus that one of communications field works in C-band, can 4400MHz~
Continuous tuning within the scope of 5000MHz emits 100W continuous wave power, 35MHz signal bandwidth is supported, especially suitable for requiring complexity
Networking, large capacity, distant signal transmission scatter communication system.
Background technique
Scatter communication high-frequency apparatus is on C-band using very extensive at present.With the development of the times, to high-frequency apparatus
Requirement it is higher and higher, for example free networking, small in size, transmission power is big, noise coefficient is low etc..If adopted inside high-frequency apparatus
With the waveguide duplexer of fixed segments, high power transmission signal can be completed, noise coefficient can also be smaller, but does not finish group
The function of net, can only point-to-point transmission signal.Volume may be implemented using coaxial cable connection with coaxial duplexer, coaxial switch
It is small, but it is smaller to be subject to transmission power, and power will reduce 3dB or so from power amplifier delivery outlet to equipment export.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of transmittings of optimization, the free networking of receiving channel performance indicator
Full frequency band work high-power C-band scatter communication high-frequency apparatus.
In order to solve the above technical problems, the technical solution used in the present invention is:
A kind of scatter communication high-frequency apparatus of working in whole frequency range, including frequency converter 1, hair channel variable frequency filter 2, power amplifier 3, hair
Double-channel duplex filter 4, first annular device 5, receive channel variable frequency filter 6, clipping low noise 7, receive double-channel duplex filter 8,
Second circulator 9 and monitoring unit 10, coupler 11 and load 12;
Calibrating frequency process:
Monitoring unit 10 sends to frequency converter 1, power amplifier 3 and clipping low noise 7 close power supply control instruction, frequency converter respectively
1, power amplifier 3 and clipping low noise 7 close internal power switch after receiving closing power supply control instruction respectively;Monitoring unit 10 is distinguished
The predetermined frequency instruction emitted is sent with double-channel duplex filter 4 is sent out to hair channel variable frequency filter 2, to receipts channel variable-frequency filtering
Device 6 and the predetermined frequency instruction for receiving the transmitting and receiving of double-channel duplex filter 8;Send out channel variable frequency filter 2, hair double-channel duplex filtering
Device 4 receives channel variable frequency filter 6 and receives double-channel duplex filter 8 respectively according to the automatic progress of predetermined frequency instruction received
Frequency tuning;
After calibrating frequency, monitoring unit 10 sends to frequency converter 1, power amplifier 3 and clipping low noise 7 open power supply control respectively
Instruction, frequency converter 1, power amplifier 3 and clipping low noise 7 open internal power switch after receiving opening power supply control instruction respectively;Prison
It is double to hair channel variable frequency filter 2, receipts channel variable frequency filter 6, hair double-channel duplex filter 4, receipts channel respectively to control unit 10
Work filter 8, frequency converter 1 and power amplifier 3 send inquiry instruction, and hair channel variable frequency filter 2 receives channel variable frequency filter 6, sends out and lead to
Road duplexer filter 4, receive double-channel duplex filter 8, frequency converter 1 and power amplifier 3 receive after inquiry instruction respectively to monitoring unit 10
Reply current state;
Emit the process of signal:
Frequency converter 1 receives IF input signals, and channel is extremely sent out in output after IF input signals are upconverted to radiofrequency signal
Variable frequency filter 2;Channel variable frequency filter 2 is sent out by output after radiofrequency signal frequency-selecting to power amplifier 3;Power amplifier 3 is to the radio frequency after frequency-selecting
Signal carries out power amplification, and amplified radiofrequency signal is exported to hair double-channel duplex filter 4;Send out double-channel duplex filter 4
By amplified radiofrequency signal through first annular 5 feed antenna of device, launched by antenna;Coupler 11 is successively through first annular
Device 5 and the second circulator 9 are sampled the reflection power of antenna;12 pairs of reflection powers are loaded to absorb;
Receive the process of signal:
Antenna successively filters the reception signal received through first annular device 5 and the output of the second circulator 9 to double-channel duplex is received
Wave device 8;It receives 8 pairs of reception signals of double-channel duplex filter and carries out frequency-selecting, the reception signal after frequency-selecting is exported to clipping low noise
7;Reception signal after frequency-selecting is carried out low noise limited range enlargement by clipping low noise 7, and amplified reception signal is exported to receipts
Channel variable frequency filter 6;Channel variable frequency filter 6 is received to be filtered amplified reception signal, filtered signal is defeated
Out to frequency converter 1;Frequency converter 1 carries out filtered signal to down-convert to intermediate-freuqncy signal, and intermediate-freuqncy signal is amplified to default
It is exported after level.
Wherein, hair channel variable frequency filter 2 is same including the first calibrating frequency unit 201, the first coaxial coupler 202, hair channel
Axocoel body electrically tunable filter 203 and the second coaxial coupler 204;
The treatment process of calibrating frequency: the predetermined frequency that the first calibrating frequency unit 201 receives the transmission of monitoring unit 10 is sent out after instructing
One group of swept-frequency signal is penetrated, swept-frequency signal is successively through the second coaxial coupler 204, hair 203 and of channel coaxial cavity electrically tunable filter
First coaxial coupler 202 is back to the first calibrating frequency unit 201;First calibrating frequency unit 201 carries out the swept-frequency signal received
Down coversion forms intermediate-freuqncy signal, and intermediate-freuqncy signal is carried out detection, same according to the current hair channel of intermediate-freuqncy signal judgement after detection
The frequency location of axocoel body electrically tunable filter 203 determines that hair channel coaxial cavity electrically tunable filter 203 rotates according to frequency location
Direction, and drive hair channel coaxial cavity electrically tunable filter 203 be moved to preset frequency;First calibrating frequency list after calibrating frequency
Member 201 emit another group of swept-frequency signal, swept-frequency signal successively through the second coaxial coupler 204, generate channel coaxial cavity electricity tune filter
Wave device 203 and the first coaxial coupler 202 are back to the first calibrating frequency unit 201;First calibrating frequency unit 201 is swept according to what is received
Frequency signal, which carries out confirmation to the frequency information of current hair channel coaxial cavity electrically tunable filter 203, to be terminated.
Wherein, it is same including the second calibrating frequency unit 601, third coaxial coupler 602, receipts channel to receive channel variable frequency filter 6
Axocoel body electrically tunable filter 603 and the 4th coaxial coupler 604;The treatment process of calibrating frequency is identical as hair channel variable frequency filter 2.
Wherein, hair double-channel duplex filter 4 includes third calibrating frequency unit 401, first wave guide coupler 402, hair channel wave
Guide cavity body electrically tunable filter 403 and second waveguide coupler 404;
The treatment process of calibrating frequency: the predetermined frequency that third calibrating frequency unit 401 receives the transmission of monitoring unit 10 is sent out after instructing
One group of swept-frequency signal is penetrated, swept-frequency signal is successively through the second coaxial coupler 204, hair 403 and of channel waveguide cavity electrically tunable filter
Second waveguide coupler 404 is back to third calibrating frequency unit 401;Third calibrating frequency unit 401 carries out the swept-frequency signal received
Down coversion forms intermediate-freuqncy signal, and intermediate-freuqncy signal is carried out detection, according to the current hair channel waveguide of intermediate-freuqncy signal judgement after detection
The frequency location of cavity electrically tunable filter 403 determines what hair channel waveguide cavity electrically tunable filter 403 rotated according to frequency location
Direction, and hair channel waveguide cavity electrically tunable filter 403 is driven to be moved to preset tranmitting frequency;First calibrating frequency after calibrating frequency
Unit 201 emits another group of swept-frequency signal, swept-frequency signal successively through second waveguide coupler 404, generate channel waveguide cavity electricity tune
Filter 403 and first wave guide coupler 402 are back to third calibrating frequency unit 401;Third calibrating frequency unit 401 is according to receiving
Swept-frequency signal, which carries out confirmation to the frequency information of hair channel waveguide cavity electrically tunable filter 403, to be terminated.
Wherein, double-channel duplex filter 8 is received to include the 4th calibrating frequency unit 801, third waveguide coupler 802, receive channel wave
The treatment process of guide cavity body electrically tunable filter 803 and the 4th waveguide coupler 804, calibrating frequency is identical as hair double-channel duplex filter 4.
Wherein, hair channel variable frequency filter 2 and receipts channel variable frequency filter 6 carry out calibrating frequency simultaneously, and it is double to send out channel after the completion
Work filter 4 and receipts double-channel duplex filter 8 carry out calibrating frequency simultaneously.
Wherein, hair channel coaxial cavity electrically tunable filter 203 and receipts channel coaxial cavity electrically tunable filter 603 are
Four chamber coaxial cavity structures are arranged in matrix pattern.
Wherein, the hair channel waveguide electrically tunable filter 403 and receipts channel waveguide electrically tunable filter 803 are five cavity waveguides
Cavity resonator structure is in rods arranged in horizontal line.
The beneficial effects of adopting the technical scheme are that
The present invention works in C-band, transmission power 100W;The present invention realizes continuous within the scope of 4400MHz~5000MHz
Tuning, the function of the free group-net communication of several working terminals, large capacity, distant signal transmission.
Detailed description of the invention
Fig. 1 is signal flow graph of the present invention;
Fig. 2 is the composition block diagram of present invention hair channel variable frequency filter;
Fig. 3 is the composition block diagram that the present invention receives channel variable frequency filter;
Fig. 4 is the composition block diagram of present invention hair double-channel duplex filter;
Fig. 5 is the composition block diagram that the present invention receives double-channel duplex filter.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1, the present invention is a kind of scatter communication high-frequency apparatus of full frequency band work, including including frequency converter 1, hair
Channel variable frequency filter 2, power amplifier 3, hair double-channel duplex filter 4, first annular device 5, receipts channel variable frequency filter 6, clipping are low
It makes an uproar and puts 7, receives double-channel duplex filter 8, the second circulator 9 and monitoring unit 10, coupler 11 and load 12;
Calibrating frequency process:
Monitoring unit 10 sends to frequency converter 1, power amplifier 3 and clipping low noise 7 close power supply control instruction, frequency converter respectively
1, power amplifier 3 and clipping low noise 7 close internal power switch after receiving closing power supply control instruction respectively;Monitoring unit 10 is distinguished
The predetermined frequency instruction emitted is sent with double-channel duplex filter 4 is sent out to hair channel variable frequency filter 2, to receipts channel variable-frequency filtering
Device 6 and the predetermined frequency instruction for receiving the transmitting and receiving of double-channel duplex filter 8;Send out channel variable frequency filter 2, hair double-channel duplex filtering
Device 4 receives channel variable frequency filter 6 and receives double-channel duplex filter 8 respectively according to the automatic progress of predetermined frequency instruction received
Frequency tuning;
After calibrating frequency, monitoring unit 10 sends to frequency converter 1, power amplifier 3 and clipping low noise 7 open power supply control respectively
Instruction, frequency converter 1, power amplifier 3 and clipping low noise 7 open internal power switch after receiving opening power supply control instruction respectively;Prison
It is double to hair channel variable frequency filter 2, receipts channel variable frequency filter 6, hair double-channel duplex filter 4, receipts channel respectively to control unit 10
Work filter 8, frequency converter 1 and power amplifier 3 send inquiry instruction, and hair channel variable frequency filter 2 receives channel variable frequency filter 6, sends out and lead to
Road duplexer filter 4, receive double-channel duplex filter 8, frequency converter 1 and power amplifier 3 receive after inquiry instruction respectively to monitoring unit 10
Reply current state;
Emit the process of signal:
Frequency converter 1 receives IF input signals, and channel is extremely sent out in output after IF input signals are upconverted to radiofrequency signal
Variable frequency filter 2;Channel variable frequency filter 2 is sent out by output after radiofrequency signal frequency-selecting to power amplifier 3;Power amplifier 3 is to the radio frequency after frequency-selecting
Signal carries out power amplification, and amplified radiofrequency signal is exported to hair double-channel duplex filter 4;Send out double-channel duplex filter 4
By amplified radiofrequency signal through first annular 5 feed antenna of device, launched by antenna;Coupler 11 is successively through first annular
Device 5 and the second circulator 9 are sampled the reflection power of antenna;12 pairs of reflection powers are loaded to absorb;
Receive the process of signal:
Antenna successively filters the reception signal received through first annular device 5 and the output of the second circulator 9 to double-channel duplex is received
Wave device 8;It receives 8 pairs of reception signals of double-channel duplex filter and carries out frequency-selecting, the reception signal after frequency-selecting is exported to clipping low noise
7;Reception signal after frequency-selecting is carried out low noise limited range enlargement by clipping low noise 7, and amplified reception signal is exported to receipts
Channel variable frequency filter 6;Channel variable frequency filter 6 is received to be filtered amplified reception signal, filtered signal is defeated
Out to frequency converter 1;Frequency converter 1 carries out filtered signal to down-convert to intermediate-freuqncy signal, and intermediate-freuqncy signal is amplified to default
It is exported after level.
As shown in Fig. 2, hair channel variable frequency filter 2 includes the first calibrating frequency unit 201, the first coaxial coupler 202, sends out and lead to
Road coaxial cavity electrically tunable filter 203 and the second coaxial coupler 204;
The treatment process of calibrating frequency: the predetermined frequency that the first calibrating frequency unit 201 receives the transmission of monitoring unit 10 is sent out after instructing
One group of swept-frequency signal is penetrated, swept-frequency signal is successively through the second coaxial coupler 204, hair 203 and of channel coaxial cavity electrically tunable filter
First coaxial coupler 202 is back to the first calibrating frequency unit 201;First calibrating frequency unit 201 carries out the swept-frequency signal received
Down coversion forms intermediate-freuqncy signal, and intermediate-freuqncy signal is carried out detection, same according to the current hair channel of intermediate-freuqncy signal judgement after detection
The frequency location of axocoel body electrically tunable filter 203 determines that hair channel coaxial cavity electrically tunable filter 203 rotates according to frequency location
Direction, and drive hair channel coaxial cavity electrically tunable filter 203 be moved to preset frequency;First calibrating frequency list after calibrating frequency
Member 201 emit another group of swept-frequency signal, swept-frequency signal successively through the second coaxial coupler 204, generate channel coaxial cavity electricity tune filter
Wave device 203 and the first coaxial coupler 202 are back to the first calibrating frequency unit 201;First calibrating frequency unit 201 is swept according to what is received
Frequency signal, which carries out confirmation to the frequency information of current hair channel coaxial cavity electrically tunable filter 203, to be terminated;What frequency converter 1 exported penetrates
Frequency signal is defeated by the first coaxial coupler 202, hair channel coaxial cavity electrically tunable filter 203 and the second coaxial coupler 204
Out to power amplifier 3.
Include the second calibrating frequency unit 601, third coaxial coupler 602, receive and lead to as shown in figure 3, receiving channel variable frequency filter 6
Road coaxial cavity electrically tunable filter 603 and the 4th coaxial coupler 604;The treatment process and hair channel variable frequency filter 2 of calibrating frequency
It is identical.
As shown in figure 4, hair double-channel duplex filter 4 includes third calibrating frequency unit 401, first wave guide coupler 402, sends out and lead to
Road wave-guide cavity wave electrically tunable filter 403 and second waveguide coupler 404;
The treatment process of calibrating frequency: the predetermined frequency that third calibrating frequency unit 401 receives the transmission of monitoring unit 10 is sent out after instructing
One group of swept-frequency signal is penetrated, swept-frequency signal is successively through the second coaxial coupler 204, hair 403 and of channel waveguide cavity electrically tunable filter
Second waveguide coupler 404 is back to third calibrating frequency unit 401;Third calibrating frequency unit 401 carries out the swept-frequency signal received
Down coversion forms intermediate-freuqncy signal, and intermediate-freuqncy signal is carried out detection, according to the current hair channel waveguide of intermediate-freuqncy signal judgement after detection
The frequency location of cavity electrically tunable filter 403 determines what hair channel waveguide cavity electrically tunable filter 403 rotated according to frequency location
Direction, and hair channel waveguide cavity electrically tunable filter 403 is driven to be moved to preset tranmitting frequency;First calibrating frequency after calibrating frequency
Unit 201 emits another group of swept-frequency signal, swept-frequency signal successively through second waveguide coupler 404, generate channel waveguide cavity electricity tune
Filter 403 and first wave guide coupler 402 are back to third calibrating frequency unit 401;Third calibrating frequency unit 401 is according to receiving
Swept-frequency signal, which carries out confirmation to the frequency information of hair channel waveguide cavity electrically tunable filter 403, to be terminated.After the amplification that power amplifier 3 exports
Radiofrequency signal through first wave guide coupler 402, hair channel waveguide cavity electrically tunable filter 403 and second waveguide coupler 404
Output.
Include the 4th calibrating frequency unit 801, third waveguide coupler 802, receive and lead to as shown in figure 5, receiving double-channel duplex filter 8
Road wave-guide cavity wave electrically tunable filter 803 and the 4th waveguide coupler 804, the treatment process and hair double-channel duplex filter 4 of calibrating frequency
It is identical.
Hair channel variable frequency filter 2 and receipts channel variable frequency filter 6 carry out calibrating frequency simultaneously, send out double-channel duplex filtering after the completion
Device 4 and receipts double-channel duplex filter 8 carry out calibrating frequency simultaneously.
Hair channel described above coaxial cavity electrically tunable filter 203 and receipts 603 structure of channel coaxial cavity electrically tunable filter
Form is identical, is four coaxial cavity structures, arranges in matrix pattern, and input, output use SMA interface.Inner conductor passes through transmission
Plate is connected with linear motor, and working frequency is controlled by monitoring unit 10, is guided and is tuned by frequency unit, and completion 4400MHz~
Continuous tuning within the scope of 5000MHz, inner conductor are connected by driver plate with linear motor, and working frequency is controlled by monitoring unit 10
System is guided by calibrating frequency unit and is tuned, and completes continuous tuning within the scope of 4400MHz~5000MHz.
Above-mentioned sending and receiving road waveguide electrically tunable filter structure type is identical, is five chamber electrically tunable filters, cavity straight line row
Column, using BJ48 waveguide, standard waveguide interface, sliding conductor is connected by driver plate with linear motor.Working frequency passes through prison
Unit control is controlled, is guided and is tuned by calibrating frequency unit, completes continuous tuning within the scope of 4400MHz~5000MHz.
The power amplifier is two-port network, and rf inputs mouth is SMA interface, and RF output end is N-type interface, output
Maximum power 120W, inband flatness 1dB.There are overvoltage protection, overcurrent protection and overheating protection, is controlled using RS485 serial ports.It adopts
It is powered with+28V, electric current about 12A, output power is about in 120W;The input port of power amplifier is SMA interface, and sending and receiving channel is same
The output port of axocoel body electrically tunable filter, the output port of power amplifier are N-type interface, sending and receiving channel waveguide electrically tunable filter it is defeated
The delivery outlet of entrance, hair channel waveguide electrically tunable filter is connect by circulator with antenna, the input of clipping low noise, output end
Mouth is SMA interface, is powered using+15V.Frequency converter is functionally divided into three parts: up-conversion, down coversion and synthesizer.Upper change
The function of frequency is that intermediate-freuqncy signal is converted to radiofrequency signal, and the function of down coversion is that radiofrequency signal is converted to intermediate-freuqncy signal, under
Conversion gain about 40dB or so, synthesizer provide local oscillator for Up/Down Conversion.The input and output port of frequency converter is all made of
SMA.Clipping low noise clipped power is greater than 5W, and high reliablity is realized to the low noise amplification for receiving small-signal.
The present invention is standard 6U cabinet, takes rear outlet structure, electric connector is installed in the rear portion of equipment.Before equipment
Panel is equipped with monitoring unit, can carry out running parameter setting to equipment by operation keyboard.It is led equipped with groove profile cabinet two sides
Rail is installed in communication cabinet by slot rails, is fixed on communication cabinet by the captive screw on front panel.Power supply
Required direct current is provided for each module in high-frequency apparatus inside.
The present invention completes the frequency transformation of intermediate-freuqncy signal to radiofrequency signal within the scope of limited 6U chassis space, leads to
It crosses monitoring instruction change transmitting, receive frequency, frequency arbitrarily tunes within the scope of 4400MHz~5000MHz, continuous wave transmission power
Greater than 100W.