optimiz

this file simulates a alamouti scheme

设计IIR数字陷波器，采样率为6.4kHz，陷波频率点为50Hz、150Hz、250Hz；c1.mat为输入数据文件；并且包括陷波前后的频谱分析。(Design of IIR digital notch filter, sampling rate of 6.4kHz, notch frequency point of 50Hz, 150Hz, 250Hz c1.mat for input data files and includes the notch before and after the spectrum analysis.)

try this and feedback

(2,1,4)卷积码BCJR译码器的实现，算法参照信道编码理论教材，注释很容易理解(（2,1,4）conversion code, BCJR decoding)

解耦，恢复原信号，能量谱分析计算,一个很有用的程序。( Decoupling, restore the original signal, Energy spectrum analysis and calculation, A very useful program.)

说明：  拉丁超立方，去抽取样本，是一种从多元参数分布中近似随机抽样的方法，属于分层抽样技术，常用于计算机实验或蒙特卡洛积分等。(Latin hypercube sampling)

说明：  2代小波示意程序 2维小波变换经典程序 Daubechies小波基的构造 采用多孔trous算法(undecimated wavelet transform)实现小波变换 平移变换平移法(cycle_spinning)消除gibbs效应 提升法97经典程序 消失矩作用的程序 小波插值与小波构造 小波滤波器构造和消噪程序 小波谱分析mallat算法经典程序(2 Generation Wavelet indicated procedures classic 2-D wavelet transform procedures for Daubechies wavelet bases constructed using porous trous algorithm (undecimated wavelet transform) the realization of wavelet transform translational translational transform method (cycle_spinning) to eliminate Gibbs effect of lifting 97 vanishing moments the role of the classic procedure of wavelet interpolation procedure value structure of wavelet and wavelet de-noising filter structure and procedures of small Mallat algorithm for spectral analysis of the classical procedures)

说明：  分别用窗函数法和等波纹最佳一致逼近法分别对FIR数字滤波器进行设计和仿真，并通过具体实例进行实现(respectively window function method and the best Bellows were consistent approximation of FIR digital filter design and simulation , and through concrete examples for achieving)

能够将采集到的压力波数据TXT文件读出来，并显示波形(Able to read out the pressure wavedate collected and then display)

基于matlab的小波分析语音除噪,大家可以参考(Based on the wavelet analysis matlab voice in addition to noise, we can refer to)