mychepai

线性调频信号发生 以及针对线性调频信号的脉冲压缩(Linear FM signal and the linear frequency modulation pulse compression)

這是一個使用apdaptive bemforming技術，能偵測出jammer在哪兒的源碼。並且比較利用LCMV和LPMV不同之處(This is a apdaptive bemforming the use of technology, able to detect where a jammer source. And compares the difference between LCMV and the LPMV)

韶山电力机车三段桥在电感情况下波形三段桥仿真波形，电动机等效为电感，反电动势(Shaoshan electric locomotive segment bridge waveform in the inductive case of the three sections of the bridge simulation waveform, the motor equivalent inductance, back electromotive force)

基于PN序列的数字直放站中回波抵消matlab实现代码，信号源采用OFDM调制信号，并有详细的注释说明，可以供大家参考借鉴(Digital repeater stations based on PN sequence in echo offset matlab code, signal source using OFDM modulation signal, and a detailed annotation, can for your reference)

任务： 1） 借助MATLAB画出误差性能曲面和误差性能曲面的等值曲线（参考PPT2.1第17页的两幅图）； 2） 写出最陡下降法以及LMS算法的计算公式（取 ）； 3） 用MATLAB产生方差为0.05, 均值为0白噪音S(n)，并画出某次采样得到的波形（即产生任意一个噪声随机序列）； 4） 根据 2）中的公式，并利用 3）中产生的S(n)，在 1）中的误差性能曲面的等值曲线上叠加画出采用最陡下降法以及LMS法时H(n)的在叠代过程中的轨迹曲线（参考PPT2.1第17页的右下图的曲线1和曲线2）。 5）用MATLAB计算并画出LMS法时 随时间n的变化曲线（对应S(n)的某一次的一次实现）和e(n)波形； 注意：某一次实现的结果并不能从统计的角度反映实验的结果 的正确性，为得到具有统计特性的实验结果，可用足够多次的 实验结果的平均值作为实验的结果。用MATLAB计算并画出 采用LMS法时，J(n)的100次实验结果的平均值随时间n的变 化曲线（即 生成随机噪声信号并计算结果，重复执行100次， 求平均结果）。 6）在 1）中的误差性能曲面的等值曲线上，叠加画出采用LMS法得到的100次实验中的H(n)的平均值的轨迹曲线； (Task: 1 ) Draw with MATLAB error performance surface and surface contour error performance curve ( refer PPT2.1 two chart on page 17 ) 2 ) Write the steepest descent method and the LMS algorithm formula ( take ) 3 ) Using MATLAB to generate variance of 0.05 with a mean of 0 white noise S (n), and draw a particular sampling waveform ( ie, any noise generated random sequence ) 4 ) based on 2 ) of the formula , and use 3 ) generated in S (n), in a ) the error performance curves superimposed on the surface contour plot using the steepest descent method and the LMS method when H (n) the iterative process in the trajectory curve ( refer PPT2.1 page 17 bottom right of the curves 1 and 2 ) . 5 ) using MATLAB LMS method is used calculate and draw the curve with time n (corresponding to S (n) of a first implementation of a ) and e (n) waveform Note : in a first implementation of the results are not reflected from a statistical point of view of accuracy of the experimental results ,)

数值分析的EULER法，大学数值分析算法，已检验，可以运行(THE EULER method numerical analysis, University of numerical analysis algorithms have been tested, you can run)

基于matlab的TSp问题处理，能直接运行(TSp problem matlab-based processing can be run directly)

说明：  使用粒子群算法对无线传感器网络进行聚类（PSO）(Particle swarm optimization (PSO) is used to cluster wireless sensor networks)

双馈电机的低电压穿越技术，电力科学院迟永宁(Double-fed motor low voltage across the technology, Electric Power Research Institute no later than Yongning)

cc方法是实现相空间重构时用来计算重构维数和时间延迟的方法，我在这里只是试一试(ccmethod medisine and time delay we implement the program，the word is too leate to upload,so i have to add something to it.i can not do well in english.,)