the-least-square-error-algorithm

采用自相关法提取基音周期，提取周期与实际值误差较小(Using autocorrelation method to extract the pitch period extraction cycle with the actual value of the error is smaller)

极坐标系下的画图及其转换公式，特殊作图需要用到(Polar coordinates of the drawing and the conversion formula, need to use special drawing)

天线平面阵列 绘制方向图 从文件读取各阵列元素的幅度和相位以及坐标 (Antenna planar array draw the pattern read from the file of each array element‘s amplitude and phase as well as coordinate)

产生随机导频信号的程序 能利用此基本的来帮助进行复杂的编程(Generate random pilot signal)

按照GPS原理与接收机设计一书，应用matlab实现kalman滤波在ＧＰＳ中的应用(GPS receiver design in accordance with the principles of the book, the application kalman filter matlab realization of GPS applications)

该程序利用希尔伯特变换求解心音信号的包络(hilbert envelope)

小波图像融合，采用用量一样的图像（但每张图像不同的位置发生模糊），融合产生尽量清晰的图(Wavelet image fusion, the amount of the same image (of the location of each image blur), and fusion to produce as clear as possible in Figure)

script file for simulating BER with Hamming Code (7,4)

按UTM投影（或高斯投影）方式，将星下点轨迹图投影到地图坐标上 (By UTM projection (or Gaussian projection) mode, the ground track diagram projected onto the map coordinates)

文件内含有在MATLAB基础上实现的PSO代码，测试过，能顺利运行，并且可以继续添加测试函数进行编译。(File contains MATLAB basis in the realization of PSO code, test, can run smoothly, and can continue to add the test function to be compiled.)