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根据语音频谱分析和频谱图显示的原理与算法，用MATLAB实现一种可在PC机上实现的信号频谱分析与频谱图伪彩色映射显示的方法。(According to voice spectrum analysis and spectrum diagram shows the principle and algorithm, using MATLAB to achieve a realization of machines in the PC spectrum of the signal frequency spectrum analysis and pseudo-color map display method.)

说明：  处理波形，计算声波再通过障碍物以后的延迟,从而计算声波在不同介质中的传播速度(Treatment of waveform, calculated the time delay after the sound waves pass through the obstaclesand，In order to estimate the acoustic propagation velocity in different media)

对航海雷达中频信号进行均值滤波处理，得到平滑的信号(On average marine radar IF signal filtering, signal smoothing)

matlab中的特殊数学算法，英文版书籍，比较专业。(The special mathematical algorithm matlab )

This is a filter design document in digital and analog domain. There is matlab code

MATLAB 神经网络 刘金琨著<智能控制的MATLAB >实现(MATLAB neural network)

空时格码（STTC）的仿真，包含多种情况，仿真后可得图像(Space-time trellis codes (STTC) simulation)

NOMA系统计算用户中断概率和系统吞吐量。(The outage probability and system throughput of NOMA system.)

scalogram.m Function to calculate the phase and amplitude scalograms of a 1D signal. The analysis is done using quadrature pairs of log Gabor wavelets.

这是我自己编的一个MIMO 的仿真代码，很简单，仿真信道响应，可以参考一下。(This is my own compilation of a MIMO simulation code is very simple simulation of the channel response for reference.)