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Finding peak signal to quantization ratio

k均值聚类算法MATLAB，自适型的代码(This is a nice work )

数字信号处理中，布特沃斯滤波器设计。很好的东西。(Digital signal processing, Butterworth filter design. A good thing.)

本工具包给出了PDE常见的求解方法程序。PDE数值求解应用相当广泛。(The kit gives the common method for solving PDE program. Numerical Solution of PDE has been widely used.)

该程序是方向滤波器工具包，其中有很多现成的滤波器，及上下采样程序。可直接调用。(The program is the direction filter kit, there are many ready-made filter, and down sampling procedure. Can be called directly.)

hiperlan2 model for matlab/simulink this is a demo

NICAM（丽音）系统编解码Matlab源程序(NICAM encoder and decoder)

selected mapping technique for papr reduction

语音信号线性特征的能量熵特征的计算，这是第一能量熵的源码，希望大家可以借鉴一下(Linear characteristics of speech signal characteristics of the energy calculation of entropy, this is the first energy entropy of the source, I hope we can learn about)

实现QPSK调制方式 通信matlab仿真中发送端的四相载波调制 (QPSK modulation to achieve communication matlab simulation in the sender' s four-phase modulation)