For2007a

对偶单纯形法matlab的实现,是我的一个作业.看看好用不.(dual simplex method Matlab the realization of one of my operations. Not look at the handy.)

Hopfield Neural Network in Matlab

说明：  录制一段个人的语音信号，并对录制的信号进行采样；画出采样后语音信号的时域波形和频谱图；给定滤波器的性能指标，采用双线性变换法和窗函数法设计滤波器，并画出滤波器的频率响应；然后用自己设计的滤波器对采集的信号进行滤波，画出滤波后信号的时域波形和频谱，并对滤波前后的信号进行对比，分析信号的变化；回放语音信号；最后，设计一个信号处理系统界面。(Record a personal voice signal, and recording the signal is sampled draw sampled speech signal time-domain waveform and frequency spectrum for a given filter performance, the bilinear transformation and design of filter window functions and draw the frequency response filter then filter of their own design collection of the signal filtering, to draw the filtered signal in time domain waveforms and frequency spectrum, and filtering the signal before and after comparison, analysis of signal changes playback audio signals Finally, a signal processing system interface design.)

用matlab实现了CDMA系统的RAke接收机，比较最大比合并，等增益合并和选择式合并接收机的性能(Using matlab to achieve a CDMA system RAke receiver, compare maximal ratio combining, equal gain combining and selective merge receiver performance)

说明：  vb 调用matlab方法实例，包括调用matlab绘图，matlab分形计算等。(vb call methods matlab examples, including the call matlab graphics, matlab fractal calculation.)

MATLAB中双PWM变频器的Simulink实现，(Simulink realization of dual-PWM inverter)

基于平方包络的PSK 信号的码元速率估计。(Symbol rate is estimated based on square envelope QPSK signal. mpsk function and test_signal in cwt compressed package.)

由于硬判决在判决过程中将接收直接判决为[1 0],而损失了相应的近似信息，导致了接收信息在某种意义上的浪费。软判决将接收电平量化，尽可能保存相应的信息，故可以提高译码性能。(soft descision decoding)

gaussNaive and GaussMod source for text

时频分析的一个简单明了的小程序。给出了频率标注时怎样才能精确的显示频率分析的结果(Time-frequency analysis of a simple small program. Marked when the frequency is given how to accurately display the results of frequency analysis)