lfm

说明：  How to calculate the fitness for different functions with diferrent parameters

线性AGC的程序。该程序仿真了线性AGC的工作过程，画出的图反映了线性AGC对幅度跳变敏感的特性(Linear AGC process. The program simulated the working process of the linear AGC, draw the figure reflects the magnitude of jump linear AGC on the characteristics of sensitive)

说明：  瑞利衰落信道中空时编码仿真程序： 1.2根发射天线、1根接收天线2.最高信噪比为12dB，即仿真范围为0dB到12dB3.在每个信噪比条件下,误符号数超过20即停止该信噪比条件下的仿真4.每一帧数据为24个QPSK符号(Rayleigh Fading Channels Space-Time Coding Simulation Program: 1.2 transmission antennas, a receiving antenna 2. The highest SNR 12dB, that is, simulation range of 0dB to 12dB3. In each signal to noise ratio conditions, the number of symbol error over 20 that is, to stop the signal to noise ratio under the conditions of simulation 4. each frame 24 QPSK data symbols)

说明：  一个随机数产生器(mt19937) 计算物理中Monte Carlo方法中的基本条件 周期为2^19937(a random number generator (mt19937) Computational Physics Monte Carlo methods of the basic conditions for the cycle 2 ^ 19937)

谱分析，气象、海洋专业程序，用于分析时间序列的显著周期。(Spectral analysis, meteorological, oceanographic professional program for the analysis of a significant period of time series.)

说明：  Image encryption code

说明：  局部碰磨事故检测代码，通过功率谱检测，例子检测了四种类型的碰磨事故(Partial rubbing incident detection code, through the power spectrum detection, examples of detection of the four types of rub-impact accident)

求解含有有限个变量的函数，维数可以是1000甚至上万维 都可以(Solving function contains a finite number of variables, dimensions can be 1000 on the World Wide Web can be even)

数学规划基础课后作业，北京航空航天大学最优化，牛顿法，最速下降法，回溯线搜索(Mathematics programming foundation homework, Beihang University optimization, Newton method, steepest descent method, backtracking line search)

本代码，用MATLAB编写。把灰度图转化为伪彩色图。(The code, prepared by using MATLAB. The grayscale into a pseudo-color map.)