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直流电机调速系统仿真，建立模型，系统仿真，画出仿真曲线(DC motor speed control system simulation, modeling, system simulation, simulation curve drawn)

fnnsb函数是用来计算非负最小二乘拟合参数的，(fnnsb function is used to calculate the non-negative least-squares fitting parameters,)

music算法运用于波达方向的测定,波达方向的测定先现广泛用于雷达等应用中.music算法是个很成熟的算法,如今学者们就计算量,精确度上的问题又提出了很多的改进算法.如下为 基本算法,可正确运行(music DOA algorithm applied to the determination of DOA in the first radar is widely used in such applications. music algorithm is a very mature algorithm, Now scholars on the calculation accuracy on the problem makes a lot of improved algorithm. following the basic algorithm, can be correctly operation)

这是一个基于P-Q法的谐波检测方法的matlab仿真模型(This is a method based on PQ harmonic detection method matlab simulation model)

DCT and Image Compression In the JPEG image compression algorithm, the input image is divided into 8-by-8 or 16-by-16 blocks, and the two-dimensional DCT is computed for each block. The DCT coefficients are then quantized, coded, and transmitted. The JPEG receiver (or JPEG file reader) decodes the quantized DCT coefficients, computes the inverse two-dimensional DCT of each block, and then puts the blocks back together into a single image. For typical images, many of the DCT coefficients have values close to zero these coefficients can be discarded without seriously affecting the quality of the reconstructed image. The example code below computes the two-dimensional DCT of 8-by-8 blocks in the input image, discards (sets to zero) all but 10 of the 64 DCT coefficients in each block, and then reconstructs the image using the two-dimensional inverse DCT of each block. The transform matrix computation method is used.

基于MATLAB的QPSK相干解调与非相干解调的误码率性能分析。(Based on the MATLAB QPSK coherent demodulation and non-coherent demodulation analysis of the BER performance.)

通信原理上机实验_基于MATLAB的模拟幅度调制解调系统_AM调制解调系统程序代码(Machine on communication theory based on MATLAB simulation experiments _ amplitude modulation and demodulation system _AM code modulation and demodulation system)

信号分析程序，对信号进行分析处理。。。。(Signal analysis procedures for the analysis of signal processing)

classic direction of arrival and beam forming method matlab implementation

说明：  这是一本超宽带通信书籍< 超宽带无线通信>>的原代码,ds_uwb,mb_ofdm,脉冲信号的形成(This is an ultra-wideband communications books lt; Lt; Ultra-wideband wireless communications gt; Gt; The original code, ds_uwb, mb_ofdm, pulse signal the formation etc.)