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OFDM with noisy channel with qpsk

增加了遗忘因子的最小二乘递推算法，算法更加准确(The least squares recursive algorithm of forgetting factor is added, and the algorithm is more accurate)

光纤陀螺输出误差的allan方差分析，是路径规划的实用方法，小波包分析提取振动信号中的特征频率。( allan FOG output error variance analysis, Is a practical method of path planning, Wavelet packet analysis to extract vibration signal characteristic frequency.)

matlab中的psat软件可以用于潮流计算，连续潮流计算，小扰动分析，分岔分析等等，这是三个版本的说明书(psat matlab software can be used in the flow calculation, continuous flow calculation, the small perturbation analysis, bifurcation analysis, etc., which are the three versions of the manual)

用于大地高程拟合，对于大量数据局有较好拟合效果(Elevation fitting)

function [x, hist] = secant(x, f, tola, tolr) SECANT This a secant code with no line search. This code terminates on small relative-absolute errors function [X, HIST] = SECANT(X, F, TOLA, TOLR) Inputs: X = initial iterate F = function TOLA = absolute error tolerance TOLR = relative error tolerance Output: X = approximate result

对leach算法进行仿真，主要是leach的分簇路由算法(Algorithm is simulated on the leach. the main is cluster routing algorithm )

本程序在matlab环境下，基于粒子群算法对pid控制器进行优化控制,从而完成性能更优(The program in matlab environment, based on particle swarm optimization algorithm pid controller to control, thus completing the better performance)

ballon sanke的matlab实现，可用于图像分割和边缘检测(ballon sanke realize the matlab can be used for image segmentation and edge detection)

This code is example of image adjustment.