rainflow

fingerprint extraction

说明：  非负矩阵分解，聂飞平老师再2014年发表的Robust Manifold Nonnegative Matrix Factorization文中提出的算法(A Robust Manifold Nonnegative Matrix Factorization algorithm was proposed by teacher nie feiping in 2014)

This is very good meaning for understanding steepest descent

线性调频信号脉冲压缩MATLAB仿真程序(Linear FM Pulse Compression MATLAB simulation program)

NLSE用于求解偏微分方程 可演示非线性光纤光学任何一个方程(NLSE pian weifen fang cheng qiu jie guang xian guang xue yan shi cheng xu ke jie ren he yi ge pain wei fen fang cheng )

快速计算一维信号的塔式谱峭度图，选择谱峭度最大值区间，方便确定所需滤波器中心频率及带宽。(Computes the fast kurtogram of signal x.This fast algorithm uses a pyramidal decomposition of the signal into a user-specified number of levels (a good choice is nlevel = 8). The first level is the classical kurtosis of the signal, the second level is the spectral kurtosis in 2 octaves, the third level the spectral kurtosis in 4 half-octaves, etc. Non-integer levels refer to divisions into third octaves. Here below is an illustration on how the frequency band is successively split when increasing the level)

5 code for digital communication

本手册是根据国内最著名的天线专家、教授的最新研究与工程设计成果并汇集了国际上的最新资料精心编撰而成的宏篇巨著，是目前国内第一本全面论述天线工程最系统、最完整的工具书。全书共分四篇29章。第一篇为天线基础，介绍了天线的基本参数、基本原理、基本理论和基本分析方法，为读者阅读后续各章 打下坚实基础；第二篇为天线设计，是全书的核心，介绍各类天线的工作原理和设计方法，可供使用的设计公式、图表和具体数据；第三篇概述天线在通信、雷达、导航、遥测、测向等军民方面的应用，还介绍了特殊用途的天线，如载体天线、圆极化天线、毫米波天线等；第四篇介绍了与天线相关的论题，如天线的测量、天线散射载面、天线罩等。(This manual is based on the latest research and engineering achievements of the most famous antenna experts, professors and brings together the latest information on carefully compiled international macro magnum opus, is the first comprehensive discussion of the antenna construction most systematic complete tool. 29 book is divided into four chapters. The first is the antenna base, introduces the basic parameters of the antenna, the basic principles, basic theory and analysis methods for the following chapters the reader Lay a solid foundation The second is an antenna design is the core of the book, describes various types of antennas working principle and design methods, design formulas available, charts and specific data an overview of the third antenna in communication, radar, navigation , telemetry, military and civilian aspects of the application DF et al., also describes the antennas for special purposes, such as carrier antenna, a circularly polarized antenna, the millimet)

根据读取到的已知控制点的坐标，计算在该区域内的平面转换五参数，该五参数不同于当前使用较多的四参数(According to the known control point to read the coordinates to calculate the plane in the region converted five parameters, the five parameters to use more different from the current four-parameter)

学习matlab的很经典的几本书籍，包括MatLab程序设计.pdf MATLAB基础及其应用.pdf MATLAB语言编程.pdf(Matlab very classic study of several books, including MatLab programming. Pdf MATLAB and its application. Pdf MATLAB programming language. Pdf)