Frequency-spectrum-analysis

我编写的改进的elman神经网络应用程序，第一次上传(prepared by the improved elman neural network applications, the first upload)

此代码为对全局运动进行估计，运用的全局搜索法。(The code for the global motion estimation, the use of global search method.)

种大气湍流相位屏仿真函数，可准确模拟大气对激光相位的改变。(An atmospheric turbulence phase screen simulation function, can accurately simulate the atmospheric changes to the laser phase.)

WAVE READ FILE .M FILE

偏移四相移相键控调制，也就是OQPSK，输出信号为OQPSK调制信号的复包络(Offset four-phase phase shift keying modulation, that is, OQPSK, the output signal for the OQPSK modulated signal complex envelope)

基于MATLAB的时频分析方法之一，Wigner Ville Distribution(Wigner Ville Distribution)

QR分解的编码，可以直观的看到编码的过程(base on OR)

这是一个视频文件，它是关于遗传算法多目标优化的视频(This is a video file, it is about multi-objective genetic algorithm to optimize the video)

对二维结构进行拓扑优化，基于变密度法的二维mbb梁的结构拓扑优化，迭代采用优化准则法，数值不稳定采用灵敏度过滤法。(Two-dimensional structure topology optimization, based on the variable density method of two-dimensional the MBB beam structure topology optimization, iterative optimization criteria, the numerical instability sensitivity filtration.)

移动通信MIMO信道建模中会用到的小程序。(Will be used in mobile communications in MIMO channel modeling program.)