db4

The above is nonlinear simulink model of a Quadrotor.

单边带解调的xinlinx建模，实现完整的解调同步和下变频(Single sideband the demodulation of xinlinx modeling, to achieve complete demodulation synchronization and downconversion)

本文档主要是解决fortran调用matlab函数的端口问题(This document is intended to solve the problem of port calls fortran matlab function)

说明：  emd 分解能够有效地进行分解以及进行数据变成(hgvjhsbsjjknfjsnlknfklsflskklssslkfkslslkfnssfsnm n,m,)

PWM整流器的直接电流控制，采用双闭环控制，调试通过，效果一般(PWM rectifier direct current control, dual-closed-loop control, debug is passed, the effect of general)

说明：  MATLAB小程序，实现模式识别中的BP算法，并且附实验结果图。(MATLAB small programs to achieve the BP algorithm for pattern recognition, and the experimental results attached map.)

Phase_Unwrapping_2D，对SAR干涉图进行二维相位解缠(Phase_Unwrapping_2D,the program for 2D Phase Unwrapping)

通过对语音信号的采集和AD50数模转换实现语音信号的处理，并通过C54试验台可以很好的实现语音再现。FIR数据滤波数据需要通过MATLAB来实现。(Through the acquisition and AD50 voice signal digital-analog conversion of voice signal processing, and through the C54 test bed can be a very good voice reproduction. FIR data filtering data to achieve through MATLAB.)

希尔伯特黄变换matlab小程序，一种适用于分析非平稳非线性信号的时频分析方法。(Hilbert-Huang Transform matlab code. It applies to seismic data.)

基于matlab的图像或者序列的哈夫曼编码及解码程序-Matlab-based image or sequence of Huffman coding and decoding procedures(Matlab-based image or sequence of Huffman coding and decoding process-Matlab-based image or sequence of Huffman coding and decoding procedures)