iner_leaving

OFDM_send_matlab程序 (OFDM_send_matlab procedures)

以正弦波信号为例，对其进行信源编码、译码，循环信道编码(a sinusoidal signal as an example, its source coding, decoding, channel coding cycle)

FIR滤波器， 设计一个线性相位有限冲激响应低通滤波器，使其满足如下指标：通带边界为2kHz，阻带边界为2.5kHz，通带波纹 =0.005，阻带波纹 =0.005，抽样率为10kHz。采用多尔夫-切比雪夫窗进行设计，进行频谱分析。(FIR filter, design a linear phase FIR low-pass filter to meet the following indicators: passband border to 2kHz, stopband border to 2.5kHz, passband ripple = 0.005, stop-band ripple = 0.005, sampling rate of 10kHz. Used Dorf- Chebyshev window design, spectral analysis.)

本书介绍了主成分分析法中重要概念，已经大量应用实例，特别适合学习模式识别的人。(This book describes the principal components analysis of important concepts, has a large number of examples, especially for people learning pattern recognition.)

16 QAM digital communication system

介绍MATLAB处理语音信号的基本方法，如打开、保存、录音(MATLAB introduce the basic speech signal processing methods, such as open, save, sound recording)

technique d accès multiple CDMA (Code Division Multiple Access)

比fastICA收敛更好的ICA工具箱源码(an ICA toolbox which is better than Fastica)

DES3200实验系统的模拟信号输出通道产生一个1KHz 的方波,然后利用信号输入通道对产生的方进行低通滤波,得到一个1KHz 的正弦信号，并使用CCS 的图形显示工具显示输入和输出的波形。这里我们使用的是一个46阶的对称结构的FIR低通滤波器，其采样频率Fs为25KHZ，通带截止频率 1KHZ，阻带截止频率为3KHZ，阻带衰减为-60dB。(DES3200 experimental system analog output channel generates a 1KHz square wave, and then use the signal input channels that produce low-pass filtering the square to get a 1KHz sinusoidal signal, and use the CCS' s graphical display tool shows the input and output waveforms. Here we use a symmetrical structure of 46-order FIR low-pass filter, the sampling frequency Fs to 25KHZ, passband cutoff frequency 1KHZ, stopband cutoff frequency 3KHZ, stop-band attenuation is-60dB.)

function [sys,x0,str,ts] = csfunc(t,x,u,flag) ％ 定义一个连续系统的 S-function(function [sys, x0, str, ts] = csfunc (t, x, u, flag)% definition of a continuous system of the S-function)