qpsk-modulation

说明：  在matlab上实现图像同二维直角坐标系转化为极坐标秒的算法.(In matlab to achieve images with two-dimensional Cartesian coordinate system into polar coordinates algorithm seconds.)

在认知无线电中，频谱感知频谱分配是两个主要问题，而动态频谱接入是理解频谱感知的关键。(In CR, spectrum sensing and spectrum allocation is the major problem, but the dynamic spectrum access is the key to understand spectrum sensing.)

ofdm tutorial its a project report on ofdm using matlab

自编四参数法生成多孔介质的matlab程序代码(Four-parameter method to generate self matlab code porous media)

声卡采集的程序,可设置采样频率,位长,采样时间等参数.可采样8k-44.1kHz的信号,进行频谱分析.(sound card collection procedures, sampling frequency can be set up, elderly, Sampling time parameters. 8 k can be sampled- 44.1kHz signal spectrum analysis.)

基于Matlab的语音信号滤波器的设计与实现(Design and implementation of speech signal filter based on Matlab)

协作通信中的解码转发程序，包括卷积编解码，8PSK调制(Cooperative communication in decode-and-forward procedure)

该算法主要实现lms自适应波束形成功能，其原理简单，操作方便，有一定的工程实用价值(The algorithm is mainly realize adaptive LMS beam-forming function, its principle is simple, the operation is convenient, the project has certain practical value )

改进的微分先行PID控制算法仿真源程序。 适用于输入信号跳变剧烈的场合，避免骤升或骤降时引起的系统震荡。(Improved differential forward PID control algorithm simulation source. Applied to the input signal transitions dramatic occasions, to avoid swells or sags caused when the system oscillation.)

基本角点检测方法的算法代码！ 无错误，直接运行！(Basic corner detection algorithm code! Error-free, direct run!)