envelope code

matlab模拟大气湍流相位屏,实现湍流相位屏的模拟(matlab simulation of atmospheric phase screen simulation of turbulent phase screen)

说明：  Matlab 函数逼近与拟合... 有理函数逼近... 常用的正交多项式逼近..各种最小二乘拟合...连分式逼近... Padé逼近... 傅里叶逼近...(Matlab Function Approximation and Fitting code)

说明：  本程序能够实现对数字分向码产生的功能，使用方法请参照程序注释。(procedures to achieve the right digital code points to the functions, please refer to the use of procedural methods Notes.)

MATLAB中一些经典的算法汇总。聚类算法、概率算法、神经网络、模拟退火等算法(Some classic algorithms in MATLAB are aggregated. Clustering algorithm, probabilistic algorithm, neural network, simulated annealing algorithm and so on.)

MATLAB边缘检测程序，在用MATLAB进行图像处理时非常有用！(MATLAB edge detection procedure, image processing with MATLAB is useful!)

蒙特卡罗分析，动态显示圆的生成，计算pi(Monte Carlo analysis, dynamic display circle generation, calculating pi)

matlab仿真出刀刃的夫琅禾费衍射，其中有四副图，原图，二维衍射图样，函数图象和三维衍射图样(matlab simulation of the cutting edge of the Fraunhofer diffraction, which has four maps, original, two-dimensional diffraction patterns, functions, images and three-dimensional diffraction pattern)

RSSI定位技术，基于接受信号强度的定位算法的ui仿真系统(RSSI positioning technology is based on the UI simulation system of location algorithm based on signal strength.)

抽样定理演示程序，能清楚看到当抽样速率大于2fs时恢复模拟信号的过程和当抽样频率小于2fs时频率混叠的过程。同时还包括频率抽样过程的演示。非常详尽。通过此演示程序，你肯定能明白抽样定理这一通信领域基本的原理！(The sampling theorem demo program, you can clearly see that when the recovery process of the analog signal sampling rate greater than 2fs and frequency aliasing when the sampling frequency is less than 2fs process. Also includes a demonstration of the frequency of the sampling process. Very detailed. Through this demonstration program, you can certainly understand sampling theorem this basic principle in the field of communication!)

微波遥感中，粗糙度参数均方根高度、相关长度计算公式代码(Microwave remote sensing, the parameters of the root mean square roughness height, correlation length calculation formula of the code)