CN108983578A - One kind being based on multimedia virtual projection auto repair methods of exhibiting and system - Google Patents

Abstract

The invention belongs to the field of virtual projection technology, and discloses a multimedia-based virtual projection car maintenance display method and system. The computer control terminal module is linked with the micro-aircraft through wireless signals. The micro-aircraft is equipped with an 8K camera, and the 8K camera is connected to the maintenance display stand. The module; the 3D holographic projector is connected to the VR virtual system module link through the data line; the 3D holographic projector is connected to the LED display through the intelligent data interface, the LED display is connected to the signal source through the wire, and the signal source is connected to the multimedia communication system through signal scattering. The present invention presents the image of the virtual projection car maintenance display method in front of people in a real way. The present invention has a signal source and a multimedia dissemination system, and can spread the virtual projection car maintenance display method through multimedia in network terminals in various fields for more people. watch.

Description

A multimedia-based virtual projection car maintenance display method and system

technical field

The invention belongs to the technical field of virtual projection, and in particular relates to a multimedia-based virtual projection automobile maintenance display method and system.

Background technique

At present, the characteristics of all-round interactive display of virtual reality technology make it one of the development directions of commodity display design, and it has been applied more and more in real life. Virtual projection based on virtual reality technology can simulate a variety of space environments, enabling people to truly experience every detail in the viewing process, and is gradually loved by people.

In summary, the problems in the prior art are:

It is impossible to see the details of each maintenance display, and it is impossible to spread in various multimedia fields.

The image acquisition accuracy and fidelity of the prior art are poor, resulting in poor virtual projection display effect, which restricts the selection of the optimal method. And the intelligent control effect is not strong.

Contents of the invention

Aiming at the problems existing in the prior art, the present invention provides a multimedia-based virtual projection car maintenance display method.

The present invention is achieved like this,

A multimedia-based virtual projection car maintenance display method, the multimedia-based virtual projection car maintenance display method comprising:

The computer control terminal module controls the micro-aircraft through wireless signals, and the 8K camera on the micro-aircraft fully records the maintenance display stand module; performs Fourier transform on the recorded image; suppose the intensity distribution of the image is I(x,y), Use the fast two-dimensional Fourier transform algorithm in the computer to complete the Fourier transform of the image, namely: E(u,v)=FFT2[I(x,y)]; The spectrum is continuous and has a large distribution range; the harmonics are distributed as sine and cosine functions with a certain offset on the original image; the modulus of the Fourier spectrum of the harmonics is a delta function with three symmetrical distributions, one of which is in the spectrum plane The origin on the top, and the other two are symmetrically distributed about the origin; for the Fourier transformed image, use the algorithm of finding the maximum value in order to find the spectral coordinates, for the hologram, the energy of the zero frequency component is much greater than the high frequency component; for the digital hologram After the Fourier transform, the zero-order component is the strongest. Using a numerical algorithm to find the maximum value of the array of the entire spectrum surface, only the zero-order spectrum can be obtained; first assign the zero frequency to 0, and then find the maximum value to find two harmonics One of the spectrum, write down its coordinates and complex values; finally restore the value of the zero frequency to the original value; then calculate the frequency of the harmonic spectrum in the horizontal and vertical directions and the frequency in the horizontal and vertical directions Interference intensity coefficient, and initial phase, to obtain a clear image;

Using the combination of 3D holographic projector and VR virtual system module, the virtual projection is displayed in front of the LED display; in the virtual projection display, the autocorrelation Rayleigh sequence R _Ray1 (k) and The root sequence R _Ray2 (k) of the sum of autocorrelation Rayleigh squares; according to the Nakagami fading amplitude probability density function and phase probability density function, the amplitude random sequence R _X (k) and the phase random sequence R _θ (k) are generated by discarding method , k=1,2,...,N, k is the target random sequence length; use The root sequence of the sum of autocorrelation Rayleigh squares ranks the rank matching of the envelope random sequence, and uses the autocorrelation Rayleigh sequence to rank the rank matching of the phase random sequence; superimposing the Nakagami-m envelope rank matching sequence R _X ^* ( k) and the phase rank matching sequence R _θ ^* (k), get the time-domain autocorrelation Nakagami-m fading complex channel random sequence: Obtain the image in front of the LED display now;

Finally, the virtual projection is transmitted to network terminals in various fields through signal sources and multimedia transmission systems.

Further, calculate the frequency of the harmonic spectrum in the horizontal and vertical directions and the interference intensity coefficient in the horizontal and vertical directions, as well as the initial phase, to obtain a clear image; specifically include:

Assuming that the coordinate of the harmonic spectrum in the horizontal direction on the spectrum surface is u ₁ , and the spectral coordinate in the vertical direction is v ₁ , the harmonic frequency in the horizontal direction is calculated as:

f _x =u ₁

The harmonic frequencies in the vertical direction are:

f _y =v ₁

Assuming that the mode of the harmonic spectrum is E ₁ and the mode of the zero-order spectrum of the hologram is E ₀ , then the interference intensity coefficient of the harmonic obtained from these two parameters is:

m＝2E ₁ /(E ₀ -2E ₁ )

Assuming that the real part and imaginary part corresponding to the complex value of the harmonic spectrum are E _r and E _i respectively, the initial phase corresponding to the harmonic can be obtained as:

In the formula, "arg()" means taking the argument of a complex number;

The harmonic distribution is constructed using the parameters described, including:

The intensity distribution equation of the obtained four parameter building harmonics is as follows:

The <> symbol in the formula means to take the average value of all pixels, and the coordinates x and y take pixels as the coordinate unit.

Further, in the virtual projection display, the autocorrelation Rayleigh sequence R _Ray1 (k) and A root sequence R _Ray2 (k) of autocorrelation Rayleigh sum of squares; including:

Use any one of the equal distance method, the mean square error method, the equal area method, the Monte Carlo method, the Lp-norm method, the exact Doppler extension method, and the Jakes method to calculate the Doppler in the Rayleigh channel Jakes simulation model Le coefficient, discrete Doppler frequency and Doppler phase model parameters;

Bring the Doppler coefficient, discrete Doppler frequency and Doppler phase model parameters into the sinusoidal superposition method model to generate the autocorrelation Rayleigh sequence R _Ray1 (k);

Repeat to get the set of Rayleigh random sequences

Further, in the virtual projection display, the autocorrelation Rayleigh sequence R _Ray1 (k) and A root sequence R _Ray2 (k) of autocorrelation Rayleigh sum of squares; also includes:

Substituting R _Ray,i (k) into the following formula, we get The root sequence R _Ray2 (k) of the autocorrelated Rayleigh sum of squares:

Further, according to the Nakagami fading amplitude probability density function and phase probability density function, the discarding method is used to generate the amplitude random sequence R _X (k) and the phase random sequence R _θ (k), k=1,2,…,N, k is the target Random sequence length, including:

The first step is to generate a random number U _1x uniformly distributed on (0, a _x ), where a _x =max(x);

The second step is to generate a random number U _2x uniformly distributed on (0,b _x ), where b _x =max(f _R (x));

In the third step, if U _2x ≤ f _R (U _1x ), assign U _1x to the random sequence set X, where the random sequence length of X is N; otherwise discard U _1x and U _2x ;

The fourth step is to repeat the first step to the third step, and assign each random number that meets the requirements of step three to the random sequence set X one by one, until the algorithm ends when X contains N random numbers;

After obtaining the random sequence R _X (k)=X that obeys the amplitude probability density function f _R (x), the random sequence R _θ (k) that satisfies the phase probability distribution f _θ (x) is generated according to the same steps of the uniform discarding method.

Another object of the present invention is to provide a computer program for implementing the multimedia-based virtual projection car maintenance display method.

Another object of the present invention is to provide an information data processing terminal for realizing the multimedia-based virtual projection car maintenance display method.

Another object of the present invention is to provide a computer-readable storage medium, including instructions, which, when run on a computer, cause the computer to execute the multimedia-based virtual projection car maintenance demonstration method.

Another object of the present invention is to provide a multimedia-based virtual projection car maintenance display system, the multimedia-based virtual projection car maintenance display system is provided with:

Computer control terminal module;

The computer control terminal module is linked with the micro-aircraft through a wireless signal, and an 8K camera is installed on the micro-aircraft, and the 8K camera is connected to the maintenance display stand module, and the 3D holographic projector is connected to the VR virtual system module link through a data line; 3D holographic projection The machine is linked with the LED display through the intelligent data interface, the LED display is connected to the signal source through the wire, and the signal source is connected to the multimedia communication system through signal scattering.

Further, the 3D holographic projector uses the principle of interference and diffraction to record and reproduce the real three-dimensional image of the object;

Micro air vehicle, also used to record every corner of the car repair show

Advantage of the present invention and positive effect are:

The present invention adopts the technology of combining 3D holographic projector and VR virtual system module to truly display the image of the virtual projection automobile maintenance display method in front of people. Through multimedia, it is disseminated on network terminals in various fields for more people to watch.

The image acquisition method of the present invention has high accuracy, strong virtual projection display effect, and is well applied in multimedia virtual projection automobile maintenance display.

The present invention combines a 3D holographic projector with a VR virtual system module to display the virtual projection in front of the LED display; during the virtual projection display, the sinusoidal superposition method model is used to generate the autocorrelation Rayleigh sequence R _Ray1 (k) and The root sequence R _Ray2 (k) of the sum of autocorrelation Rayleigh squares; according to the Nakagami fading amplitude probability density function and phase probability density function, the amplitude random sequence R _X (k) and the phase random sequence R _θ (k) are generated by discarding method , k=1,2,...,N, k is the target random sequence length; use The root sequence of the sum of autocorrelation Rayleigh squares ranks the rank matching of the envelope random sequence, and uses the autocorrelation Rayleigh sequence to rank the rank matching of the phase random sequence; superimposing the Nakagami-m envelope rank matching sequence R _X ^* ( k) and the phase rank matching sequence R _θ ^* (k), get the time-domain autocorrelation Nakagami-m fading complex channel random sequence: Obtain the image in front of the current LED display; compared with the existing technology, the image is much more vivid.

Description of drawings

Fig. 1 is a schematic structural diagram of a multimedia-based virtual projection car maintenance display system provided by an example of the present invention.

In the figure: 1. Computer control terminal module; 2. Micro aircraft; 3. 8K video head; 4. Maintenance display stand module; 5. 3D holographic projector; 6. Intelligent data interface; 7. VR virtual system module; 8. LED display; 9. Signal source; 10. Multimedia communication system.

Fig. 2 is a flowchart of a multimedia-based virtual projection car maintenance display method provided by an example of the present invention.

Detailed ways

In order to further understand the invention content, characteristics and effects of the present invention, the following examples are listed below, and detailed descriptions are as follows in conjunction with the accompanying drawings.

As shown in Figure 1, the multimedia-based virtual projection car maintenance display system provided by the example of the present invention specifically includes: a computer control terminal module 1, a micro-aircraft 2, an 8K video head 3, a maintenance display stand module 4, a 3D holographic projector 5, Intelligent data interface 6, VR virtual system module 7, LED display 8, signal source 9, multimedia communication system 10.

The computer-controlled terminal module 1 is linked with the micro-aircraft 2 through a wireless signal. The micro-aircraft 2 is equipped with an 8K camera 3, and the 8K camera 3 is connected to the maintenance display stand module 4. The 3D holographic projector 5 is connected to the VR virtual machine through a data cable. System module 7, 3D holographic projector 5 is linked with LED display 8 through intelligent data interface 6, LED display 8 is connected to signal source 9 through wire, and signal source 9 is connected to multimedia communication system 10 through signal scattering.

The working principle of the present invention: the computer control terminal module 1 controls the micro-aircraft 2 through wireless signals, the 8K camera 3 on the micro-aircraft 2 is connected to the maintenance display module 4, and the maintenance display module 4 is fully recorded. In addition, using the technology combining the 3D holographic projector 5 and the VR virtual system module 7, the image of the virtual projection car maintenance display method is truly displayed in front of the LED display 8, and finally the virtual projection car maintenance display method is passed through the signal source 9 and multimedia. The dissemination system 10 disseminates on network terminals in various fields, so that more people can see it.

The present invention adopts the technology of combining 3D holographic projector and VR virtual system module to truly display the image of the virtual projection automobile maintenance display method in front of people. Through multimedia, it is disseminated on network terminals in various fields for more people to watch.

As shown in Figure 2, the multimedia-based virtual projection car maintenance display method provided by the embodiment of the present invention includes:

S101: The computer control terminal module controls the MAV through wireless signals, and the 8K camera on the MAV fully records the maintenance display module;

S102: Utilize the combination of 3D holographic projector and VR virtual system module to display the virtual projection in front of the LED display;

S103: Finally, the virtual projection is transmitted to network terminals in various fields through the signal source and the multimedia transmission system.

The present invention will be further described below in conjunction with specific analysis.

The multimedia-based virtual projection car maintenance display method provided by the embodiment of the present invention includes:

The computer control terminal module controls the micro-aircraft through wireless signals, and the 8K camera on the micro-aircraft fully records the maintenance display stand module; performs Fourier transform on the recorded image; suppose the intensity distribution of the image is I(x,y), Use the fast two-dimensional Fourier transform algorithm in the computer to complete the Fourier transform of the image, namely: E(u,v)=FFT2[I(x,y)]; The spectrum is continuous and has a large distribution range; the harmonics are distributed as sine and cosine functions with a certain offset on the original image; the modulus of the Fourier spectrum of the harmonics is a delta function with three symmetrical distributions, one of which is in the spectrum plane The origin on the top, and the other two are symmetrically distributed about the origin; for the Fourier transformed image, use the algorithm of finding the maximum value in order to find the spectral coordinates, for the hologram, the energy of the zero frequency component is much greater than the high frequency component; for the digital hologram After the Fourier transform, the zero-order component is the strongest. Using a numerical algorithm to find the maximum value of the array of the entire spectrum surface, only the zero-order spectrum can be obtained; first assign the zero frequency to 0, and then find the maximum value to find two harmonics One of the spectrum, write down its coordinates and complex values; finally restore the value of the zero frequency to the original value; then calculate the frequency of the harmonic spectrum in the horizontal and vertical directions and the frequency in the horizontal and vertical directions Interference intensity coefficient, and initial phase, to obtain a clear image;

Using the combination of 3D holographic projector and VR virtual system module, the virtual projection is displayed in front of the LED display; in the virtual projection display, the autocorrelation Rayleigh sequence R _Ray1 (k) and The root sequence R _Ray2 (k) of the sum of autocorrelation Rayleigh squares; according to the Nakagami fading amplitude probability density function and phase probability density function, the amplitude random sequence R _X (k) and the phase random sequence R _θ (k) are generated by discarding method , k=1,2,...,N, k is the target random sequence length; use The root sequence of the sum of autocorrelation Rayleigh squares ranks the rank matching of the envelope random sequence, and uses the autocorrelation Rayleigh sequence to rank the rank matching of the phase random sequence; superimposing the Nakagami-m envelope rank matching sequence R _X ^* ( k) and the phase rank matching sequence R _θ ^* (k), get the time-domain autocorrelation Nakagami-m fading complex channel random sequence: Obtain the image in front of the LED display now;

Finally, the virtual projection is transmitted to network terminals in various fields through signal sources and multimedia transmission systems.

Then calculate the frequency of the harmonic spectrum in the horizontal and vertical directions, the interference intensity coefficient in the horizontal and vertical directions, and the initial phase to obtain a clear image; specifically include:

Assuming that the coordinate of the harmonic spectrum in the horizontal direction on the spectrum surface is u ₁ , and the spectral coordinate in the vertical direction is v ₁ , the harmonic frequency in the horizontal direction is calculated as:

f _x =u ₁

The harmonic frequencies in the vertical direction are:

f _y =v ₁

Assuming that the mode of the harmonic spectrum is E ₁ and the mode of the zero-order spectrum of the hologram is E ₀ , then the interference intensity coefficient of the harmonic obtained from these two parameters is:

m＝2E ₁ /(E ₀ -2E ₁ )

Assuming that the real part and imaginary part corresponding to the complex value of the harmonic spectrum are E _r and E _i respectively, the initial phase corresponding to the harmonic can be obtained as:

In the formula, "arg()" means taking the argument of a complex number;

The harmonic distribution is constructed using the parameters described, including:

The intensity distribution equation of the obtained four parameter building harmonics is as follows:

The <> symbol in the formula means to take the average value of all pixels, and the coordinates x and y take pixels as the coordinate unit.

Further, in the virtual projection display, the autocorrelation Rayleigh sequence R _Ray1 (k) and A root sequence R _Ray2 (k) of autocorrelation Rayleigh sum of squares; including:

Use any one of the equal distance method, the mean square error method, the equal area method, the Monte Carlo method, the Lp-norm method, the exact Doppler extension method, and the Jakes method to calculate the Doppler in the Rayleigh channel Jakes simulation model Le coefficient, discrete Doppler frequency and Doppler phase model parameters;

Bring the Doppler coefficient, discrete Doppler frequency and Doppler phase model parameters into the sinusoidal superposition method model to generate the autocorrelation Rayleigh sequence R _Ray1 (k);

Repeat to get the set of Rayleigh random sequences

In the virtual projection display, the autocorrelation Rayleigh sequence R _Ray1 (k) and A root sequence R _Ray2 (k) of autocorrelation Rayleigh sum of squares; also includes:

Substituting R _Ray,i (k) into the following formula, we get The root sequence R _Ray2 (k) of the autocorrelated Rayleigh sum of squares:

According to the Nakagami fading amplitude probability density function and phase probability density function, the discarding method is used to generate the amplitude random sequence R _X (k) and the phase random sequence R _θ (k), k=1,2,...,N, k is the target random sequence length, including:

The first step is to generate a random number U _1x uniformly distributed on (0, a _x ), where a _x =max(x);

The second step is to generate a random number U _2x uniformly distributed on (0,b _x ), where b _x =max(f _R (x));

In the third step, if U _2x ≤ f _R (U _1x ), assign U _1x to the random sequence set X, where the random sequence length of X is N; otherwise discard U _1x and U _2x ;

The fourth step is to repeat the first step to the third step, and assign each random number that meets the requirements of step three to the random sequence set X one by one, until the algorithm ends when X contains N random numbers;

After obtaining the random sequence R _X (k)=X that obeys the amplitude probability density function f _R (x), the random sequence R _θ (k) that satisfies the phase probability distribution f _θ (x) is generated according to the same steps of the uniform discarding method.

In the above embodiments, all or part of them may be implemented by software, hardware, firmware or any combination thereof. When implemented wholly or partly in the form of a computer program product, said computer program product comprises one or more computer instructions. When the computer program instructions are loaded or executed on the computer, all or part of the processes or functions according to the embodiments of the present invention will be generated. The computer can be a general purpose computer, a special purpose computer, a computer network, or other programmable devices. The computer instructions may be stored in or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be transmitted from a website, computer, server, or data center Transmission to another website site, computer, server or data center by wired (eg coaxial cable, fiber optic, digital subscriber line (DSL) or wireless (eg infrared, wireless, microwave, etc.)). The computer-readable storage medium may be any available medium that can be accessed by a computer, or a data storage device such as a server or a data center integrated with one or more available media. The available medium may be a magnetic medium (for example, a floppy disk, a hard disk, or a magnetic tape), an optical medium (for example, DVD), or a semiconductor medium (for example, a Solid State Disk (SSD)).

The above description is only an example of the preferred implementation of the present invention, and is not intended to limit the present invention in any form. Any simple modifications made to the above embodiments based on the technical essence of the present invention, equivalent changes and modifications, all belong to this invention. within the scope of the technical solution of the invention.

Claims (10)

1. one kind is based on multimedia virtual projection auto repair methods of exhibiting, which is characterized in that described to be based on multimedia void Intending projection auto repair methods of exhibiting includes:

Computer controlling terminal module controls minute vehicle by wireless signal, and the 8K camera on minute vehicle is to maintenance exhibition Show that platform module is recorded comprehensively；The Fourier transformation of image is carried out to the image of recording；If the intensity distribution of image is I (x, y), make The Fourier transformation to image is completed with the fast two-dimensional Fourier Transform Algorithm in computer, it may be assumed that E (u, v)=FFT2 [I (x, y)]；In these frequency spectrums, the frequency spectrum containing object light information is continuous, and distribution is larger；Harmonic wave is tool on original image There is the sin cos functions centainly biased distribution；The mould of the Fourier spectrum of harmonic wave is three symmetrical δ functions, one of them Origin on frequency plane, other two is distributed about origin symmetry；To the image successively maximizing of Fourier transformation Algorithm finds frequency spectrum coordinate, and to hologram, the energy of zero-frequency component is much larger than high fdrequency component；Fourier is carried out to digital hologram After transformation, zero level component is most strong, using numerical algorithm to the array maximizing of entire frequency plane, can only obtain zero level frequency spectrum； Zero-frequency is first assigned a value of 0, then looks for maximum value, one in two harmonic spectrums is found, writes down its coordinate and complex values；Finally zero The value of frequency then returns to initial value；Frequency of the harmonic spectrum in horizontal vertical both direction is calculated again and in horizontal vertical two sides Upward interference strength coefficient and initial phase, get a distinct image；

It is combined using 3D line holographic projections machine with VR virtual system module, virtual projection is presented in face of light-emitting diode display；Virtually During projection shows, auto-correlation Rayleigh sequence R is generated using sinusoidal addition method model_Ray1(k) andA auto-correlation Rayleigh is flat The root sequence R of side's sum_Ray2(k)；According to Nakagami amplitude of fading probability density function and phase probability density function, using house Abandoning method generates amplitude random sequence R_X(k) and phase random sequence R_θ(k), k=1,2 ..., N, k are target random sequence length； It utilizesThe root sequence of a auto-correlation Rayleigh quadratic sum matches envelope stochastic ordering column rank and sorts, and utilizes auto-correlation Rayleigh sequence Column match phase stochastic ordering column rank and sort；Superposition matches sequence R by the Nakagami-m envelope order of above-mentioned generation_X ^*(k) and phase Order matches sequence R_θ ^*(k), time domain auto-correlation Nakagami-m decline complex channel random sequence is obtained: Obtain the image in face of present light-emitting diode display；

Finally virtual projection is propagated by signal source and multimedia propagation system in the multiple fields network terminal.

2. being based on multimedia virtual projection auto repair methods of exhibiting as described in claim 1, which is characterized in that calculate again Harmonic spectrum is in the frequency in horizontal vertical both direction and the interference strength coefficient in horizontal vertical both direction, Yi Jichu Phase gets a distinct image；It specifically includes:

Assuming that coordinate of the harmonic spectrum on frequency plane in horizontal direction is u₁, frequency spectrum coordinate in the vertical direction is v₁, find out The harmonic frequency of horizontal direction are as follows:

f_x=u₁

Harmonic frequency in the vertical direction are as follows:

f_y=v₁

Assuming that the mould of harmonic spectrum is E₁Mould with hologram zero level frequency spectrum is E₀, then the interference of harmonic wave is acquired by the two parameters Strength factor are as follows:

M=2E₁/(E₀-2E₁)

Assuming that the corresponding real and imaginary parts of harmonic spectrum complex values are respectively E_rAnd E_i, then first phase corresponding with harmonic wave can be found out Position are as follows:

" arg () " indicates to take argument to plural number in formula；

It is distributed, is specifically included using parameter building harmonic wave:

The intensity distribution equation that four obtained parameters set up harmonic wave is as follows:

The expression of<>symbol is averaged all pixels in formula, and coordinate x and y is using pixel as coordinate unit.

3. being based on multimedia virtual projection auto repair methods of exhibiting as described in claim 1, which is characterized in that virtual to throw During film show is existing, auto-correlation Rayleigh sequence R is generated using sinusoidal addition method model_Ray1(k) andA auto-correlation Rayleigh square The root sequence R of sum_Ray2(k)；Include:

Using equidistant method, Mean Square Error, equal-area method, Monte Carlo method, Lp-norm method, accurate doppler spread method, Any one method in Jakes method calculates Doppler coefficient, discrete Doppler frequency in Rayleigh channel Jakes simulation model With doppler phase model parameter；

Doppler coefficient, discrete Doppler frequency and doppler phase model parameter is brought into sinusoidal addition method model to generate from phase Close Rayleigh sequence R_Ray1(k)；

Repetition obtains Rayleigh random sequence collection

4. being based on multimedia virtual projection auto repair methods of exhibiting as claimed in claim 3, which is characterized in that virtual to throw During film show is existing, auto-correlation Rayleigh sequence R is generated using sinusoidal addition method model_Ray1(k) andA auto-correlation Rayleigh square The root sequence R of sum_Ray2(k)；Further include:

By R_Ray,i(k) it brings following formula into, obtainsThe root sequence R of a auto-correlation Rayleigh quadratic sum_Ray2(k):

5. being based on multimedia virtual projection auto repair methods of exhibiting as described in claim 1, which is characterized in that according to Nakagami amplitude of fading probability density function and phase probability density function generate amplitude random sequence R using method is given up_X (k) and phase random sequence R_θ(k), k=1,2 ..., N, k are target random sequence length, comprising:

The first step is generated (0, a_x) on uniform random number U_1x, wherein a_x=max (x)；

Second step is generated (0, b_x) on uniform random number U_2x, wherein b_x=max (f_R(x))；

Third step, U_2x≤f_R(U_1x), then by U_1xRandom sequence set X is assigned, wherein X random sequence length is N；Otherwise give up U_1xAnd U_2x；

4th step repeats the first step to third step, assigns each random number for meeting step 3 requirement to random sequence collection one by one X is closed, algorithm terminates when X contains N number of random number；

Obtain obedience amplitude probability density function f_R(x) random sequence R_X(k) after=X, according to similarly uniformly giving up method step Generation meets phase probability distribution f_θ(x) random sequence R_θ(k)。

6. a kind of realize described in Claims 1 to 5 any one based on multimedia virtual projection auto repair methods of exhibiting Computer program.

7. a kind of realize described in Claims 1 to 5 any one based on multimedia virtual projection auto repair methods of exhibiting Information data processing terminal.

8. a kind of computer readable storage medium, including instruction, when run on a computer, so that computer is executed as weighed Benefit requires described in 1-5 any one based on multimedia virtual projection auto repair methods of exhibiting.

9. a kind of realize described in claim 1 based on multimedia virtual projection auto repair methods of exhibiting based on multimedia Virtual projection auto repair display systems, which is characterized in that described to be based on multimedia virtual projection auto repair display systems It is provided with

Computer controlling terminal module；

The computer controlling terminal module is linked by wireless signal with minute vehicle, and 8K camera shooting is equipped on minute vehicle Head, 8K camera connection maintenance show stand module, the 3D line holographic projections machine are connected to VR virtual system module by data line Link；3D line holographic projections machine is linked by intelligent data interface with light-emitting diode display, and light-emitting diode display is connected to signal by conducting wire Source, signal source are connected to multimedia propagation system by signal dispersion.

10. being based on multimedia virtual projection auto repair display systems as claimed in claim 9, which is characterized in that described 3D line holographic projections machine utilizes interference and diffraction principle record and the true 3-D image of reconstructed object；

Minute vehicle is also used to record each corner of auto repair displaying.