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dsp28335的RS422通讯调试程序，已经通过实验，收发正常。(dsp28335 the RS422 communication debugger, has passed the test, send and receive normal.)

codes different spectrum sensing techniques

说明：  实现LCM自适应波束形成的MATLAB程序，附有说明，便于调试(Realization of LCM adaptive beamforming)

本程序通过分析OFDM信号的循环平稳特性，利用循环谱对OFDM信道进行估计。(This procedure by analyzing the OFDM signal is cyclostationary properties, the use of cyclic spectrum of the OFDM channel estimation.)

基于宽带OFDM信号的DOA估计，采用经典的CSM算法，聚焦后采用传统MUSIC算法，最后通过谱峰搜素算法得到估计的来波角(Based on broadband OFDM signal DOA estimation, using the classical CSM algorithm, after focusing the traditional MUSIC algorithm, and finally through hormone peak search algorithm to estimate the wave angle)

采用拟合和插值两种方法的外耳中耳的传输函数特性曲线(Transfer Function Characteristic Curves of Middle Ear and Outer Ear Using Fitting and Interpolation)

完成有源电力滤波器的算法,采用dsp28335芯片(Complete the active power filter algorithm)

DSP2812的时间管理器EVA和EVB，该程序可实现输出不同占空比和带有死区控制，适用于IGBT全桥驱动(DSP2812 time manager EVA and EVB, the program can achieve output of different than empty and with dead zone control, apply to the whole bridge IGBT drive)

This code has been generated to realize selective harmonic elimination pulse width modulation (SHE-PWM) in TMSF28335 DSP micro-controller.

A Solution Manual for Signals, Systems and Transforms 4E l.Phillips John.M Parr Eve