rand

通常优化变量需要在制定的范围内选择，John D Errico开发了带有边界约束的最优化问题求解程序，并进行了改进(Optimization variables are usually required to develop a range of options, John D' Errico developed with the boundary constraints of optimization problem solving process, and an improved)

是一个开发的小的matlab程序，自我感觉不错，和大家分享一下。(Is a development of small matlab program, self-feeling good, and everyone to share.)

Iterative algorithm for minimum cross entropy thresholding

线性调频信号发生 以及针对线性调频信号的脉冲压缩(Linear FM signal and the linear frequency modulation pulse compression)

产生一个连续信号，包含低频，中频，高频分量，对其进行采样，进行频谱分析，分别设计三种高通，低通，带通滤波器对信号进行滤波处理，观察滤波后信号的频谱。(generating a continue time singal,which contains low,middle and high frequences,sampling it.analisize its spetrum.Then designing three kind filters are lowpass,highpass,bandpass filters and processing it.Observing its spetrum.)

读取Yokogawa DL 750, DL 1600 系列 与 DL 7440 示波器的数据. 特点：允许多个通道（trace）的输入，如： [x(:,1:4),x(:,5)]=wvfreadb_moreinput(filename, 1, [1,2,3,4], 1) (loads YT-waveform data from*.wvf file saved by Yokogawa DL 750, DL 1600 series and DL 7440 Oscilloscopes into the variables y (y data) and t (time data). The matrices ind_over and ind_under, illegal contain the indices of overranged data points outside the upper/lower limit of the TDS AD converter and indices of illegal values. advantage：permit several traces, e.g. [x(:,1:4),x(:,5)]=wvfreadb_moreinput(filename, 1, [1,2,3,4], 1) )

数字图像处理（matlab版）第一版+素材文件，实用性很强，包含了相关资料(Digital image processing (matlab version)+ the first edition file material, practical strong, contains the relevant information)

仿真了相控阵雷达的天线方向图，能进行不同的状态参数设置，产生的天线方向图(Simulation of a phased array radar antenna pattern, can be a different state parameter settings, resulting antenna pattern)

abs的pid控制，自己编的，没有优化。可以运行！(abs of pid control, their series, not optimized.you can run it!)

动态管理频谱分配的代码，在matlab开发环境下，简单计算频谱分配法则贪心法(Dynamic management of spectrum allocation code in the MATLAB development environment, a simple calculation spectrum allocation rules greedy method)