ufo

This code is improving parts of the image with imcrop according to the 2-D histogram (mesh).

function [g, badg] = numgrad(fcn,x,varargin)

％realize overlapped-save method ％y:output sequence ％x:input seqence ％h:filter impulse response sequence ％N:length of each segment ％重叠保留法实现分段卷积 ( Realize overlapped-save method y: output sequence x: input seqence h: filter impulse response sequence N: length of each segment overlap to retain sub-convolution method)

非常适合初学者的的matlab通信原理入门书，很多学校都用这个做教材！(Matlab Communication Theory Primer is ideal for beginners, many schools have done with this material!)

自适应滤波中复数的givens旋转的matlab算子，可以用作doa估计的研究中(The study of adaptive filtering the the givens rotation of matlab complex operator, can be used as a doa estimated)

gmsk modulation. some code

汽车回正性能的分析，汽车电动助力转向的控制算法和matlab实现(analysis of vehicle returnability control strategy of vehicle electric power assisted steering with matlab/simulink)

说明：  Matlab中的画圆函数。Matlab本身没有画圆的函数。本附件实现了画圆函数。(Drawcircle function in Matlab. Matlab does not have drawcircle function. Of this Annex drawcircle realize the function.)

广义最小方差自校正控制：在求解控制律的性能指标中引入对控制量的加权项，限制控制作用中的剧烈变化。(Generalized minimum variance self-tuning control: control the amount of weighted items, solving the performance of the control law introduced to limit the dramatic changes in the control action.)

基于泊松过程的检测与估计原理和方法，对无符号间干扰信道中的类似问题进行仿真，并最终给出了仿真数据趋势图。(Poisson process based on principles and methods of detection and estimation of inter-symbol interference-free channel to simulate a similar problem, and ultimately gives the simulation data trends.)