polar_ber.m

一个单位负反馈系统的根轨迹法超前校正。可直接在matlab中打开并运行。(A negative feedback system unit root locus method leading correction. Directly in matlab open and run.)

说明：  电力系统中IEEE33节点的潮流计算，非常有利于初学者研究潮流计算，较有意义。(The power flow calculation of IEEE33 nodes in the power system is very helpful for beginners to study power flow calculation, which is more meaningful.)

二进制LDPC码的一种构造方法mackey构造，是学习LDPC码的基础(Binary LDPC code construction method mackey construction, is to learn the basis of LDPC codes)

Greedy sanke algorithm implements(贪婪蛇算法的实现，该算法是对原Donna J. Williams 《A fast algorithm for active contours》 （1990） 论文的简化实现。对算法研究很有帮助。参数很多，需要调节才能获得良好的效果。)

DOA估计常用算法，包括：music算法，卡尔曼滤波算法，自适应梯度算法，空间平滑算法，改进的空间平滑算法。(DOA estimation algorithm used, including: music algorithm, Kalman filter algorithm, adaptive gradient algorithm, spatial smoothing algorithm, the improved spatial smoothing algorithm.)

Template Matching. Two functions used to implement template matching. The program finds the template image inside the target image using correlation.

这是我自己研究过程中编写的，希望和大家共享(This is my own research and prepared in the course, the hope and share)

完美的OFDM信道估计仿真程序，可以传输音频。希望对您的研究有帮助(Perfect OFDM channel estimation simulation program can transmit audio. I hope to help your research)

说明：  使用蒙特卡罗方法计算n维球体的体积，很有趣的程序(An interesting program for calculating the volume of n-dimensional spheres by Monte Carlo method)

直接序列扩频，信道采用重复编码，2psk调制，针对白噪声，多径环境下的误码率仿真(Direct sequence spread spectrum, channel coding using repeated, 2psk modulation, for white noise, BER simulation of multipath environments)