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《matlab编程百例》光盘代码31-35("Matlab programming hundred cases" CD-ROM code 31-35)

ACTIVLEV Measure active speech levelin voice commands

This is a categorized compilation of tips for the MATLAB programmer. Items to help you to browse through them and find information that is useful. Many of the tips include a reference to specific MATLAB documentation that gives you more complete coverage of the topic.

A code for implementing Bilinear Interpolation on Images

横向结构的LMS算法 均衡带限信号所引起失真的横向自适应均衡器(The horizontal structure of the LMS algorithm equalizer band-limited signal distortion caused by the lateral adaptive equalizer)

the code contain iris recognition code

一束5W 的线偏振光以Φ = 45 度方位角振动，垂直入射到玻璃 - 空气表面，该光束波长0.6μm，玻璃介质折射率1.54 @0.6m，当入射角θ从0-70 度变化时，通过给定条件，分别完成如下要求： 画出该光束反射光的光强曲线（I-θ）； 分析该反射光束的偏振态变化，画出偏振方向变化曲线（φ-θ）和偏振光束相位变化曲线 （Φ-θ）。 （注：光束从光密到光疏的界面，在入射角θ 从0-70 度变化中，包括了临界角θc）(Bunch of linearly polarized light 5W to Φ = 45 degrees azimuth vibration, normal incidence to the glass- air surface, the beam wavelength 0.6μm, glass refractive index 1.54 @ 0.6m, when the incident angle θ changes from 0-70 degrees By the given conditions, namely the completion of the following requirements: Draw the reflected light beam intensity curve (I-θ) analysis of changes in the polarization state of the reflected beam, draw the polarization direction of the curve (φ-θ) and polarized beam phase curve (Φ-θ). (Note: the light beam from the optical density of the interface is sparse, the incident angle θ  variation from 0-70, including the critical angle θc))

白噪声的测试MATLAB程序，及各种谱分析(whitenoise test program and Spectrum analysis)

用MATLAB实现AWGN的各种方法，方便大家用MATLAB编写AWGN信道(Various methods of MATLAB AWGN, facilitate everybody use MATLAB AWGN channel )

4. 数字信道化抗干扰反正，首先数字信道化多相滤波，差值的倍数为信道数的两倍，再采用AGC技术抗干扰。(4 digital channel anti-jamming anyway, the first digital channel of the polyphase filter, the difference in multiples of twice the number of channels, and then using the AGC technology anti-jamming.)