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The mixed-program can operate independently without Matlab software and this method is a good reference to the development of the signal processing system. In this article, we proposed the program that uses the new generation of high-speed, large-capacity Virtex series FPGA to implement radix-4 FFT algorithm and simulated it with the Modelsim software, and then through the comparative analysis of simulation results by MATLAB. In one words, the system realizes synchronously the real-time display of the structural total characteristic, mode shapes, time and frequency signals of key testing points on computer screen. Continue Shopping To Cart. The paper derivates the mathematical formula of the frequency shift method, and compares the trigonometric function method with it from the aspect of schematic diagram and calculating.

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The RF uses the quadrature demodulator and dual channel to sample the signal, forming the IF digital signal in I channel and Q channel. A top-down flow has been used in the system.

The signal is transformed from time domain to frequency domain by use of FFT. And it comes out that the frequency shift method has got a much greater correlation peak than the trigonometric function method.

So we come to the conclusion that it is better using the frequency shift method to acquire signal in low signal intensity. In this paper, we come up with the idea of using frequency shift method to strip carrier when acquiring the GPS signal.

Continue Shopping To Cart. The own definition functions by matlab can be converted to the C code with Matcom,then the functions can be called anywhere if you need.

Application of VC++ and MATLAB Mixed-Programming Based on MATCOM in Signal Processing

Also, we make simulation of the two schemes using Matlab for both true signal and analog signal. In this paper, a design method of high-speed, real-time digital pulse compression module based on Xilinx FPGA devices and Monbit receiver is introduced.

The spectrum analysis system, which is based on TMSF, can detect ultrasonic signal in real time. In order to prove the validity of the system, the paper the paper takes a simple-supported beam for an example and receives a satisfying result.

In process of the application, spectral analysis was carried out through fast Fourier transform FFT technology, at the same time, the deformation and inherent mode shapes are monitored. In order to achieve real-time data output in synthetic aperture radar SAR imaging system, high-speed FFT transformation is needed.

In one words, the system realizes synchronously the real-time display of the structural total characteristic, mode shapes, time and frequency signals of key testing points on computer screen. Guofu Li and Valery Ya.

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After analyzing the results compared with MATLAB simulation, it shows that FFT module has stable performance, fast operation and fully meets the radar data real-time processing requirements.

The paper derivates the mathematical formula of the frequency shift method, and compares the trigonometric function method with it from the aspect of schematic diagram and calculating.

Applied Mechanics and Materials Matla On the basis of the review of the present situation and existing problems in structure real-time monitoring system, the paper designs and develops a structure vibration real-time monitoring system. The spectrum graph can be displayed on LCD in real time. In this article, we proposed the program that uses the new generation of high-speed, large-capacity Virtex series FPGA to implement radix-4 FFT algorithm and simulated it with the Modelsim software, and then through the comparative analysis of simulation results by MATLAB.

how to see the variable in VC ++ with MATCOM? - MATLAB Answers - MATLAB Central

The mixed-program can operate independently matcoj Matlab software and this method is a good reference to the development of the signal processing system.

The whole design, which characters high stability, small logic resource occupation, low power consumption, is implemented with only one chip of FPGA XC2V for one channel.

Modern Electronics Technique, Vol.