ch3

说明：  sift（尺度不变特征变换 scale invariant feature transform） 特征提取与匹配(Sift feature extraction and matching)

MATLAB中动态潮流及其电压电流等的计算程序(The caculation code of dynamic power flow in MATLAB)

二次规划源码（精通matlab最优化计算第12章）(Quadratic programming source (proficient matlab optimization calculation Chapter 12))

利用非线性控制完成光伏并网逆变器的设计，设计中采用先进的反步法，介绍很好。(Using nonlinear control to complete the design of the photovoltaic (pv) grid inverter, adopted in the design of advanced reverse moves, the introduction is very good.)

说明：  加信噪声，单边带调幅，设计波特滤波器，过滤噪声，比较经过希尔伯特变换前后的区别(Plus letter noise, single-sideband amplitude modulation design Potter filters, filter noise comparison, after the difference between before and after the Hilbert transform)

smthing i do not understand

The Iterative Solutions Coded Modulation Library is free software you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation either version 2.1 of the License, or (at your option) any later version. This code includes a lot of different codes : UMTS, LTE, Wimax CTC, capacity, Srandom, puncturing, DVBRCS,DVBS2S,CDMA2000,...

使用matlab编写的一维有限元程序，有助于有限元方法的学习(Matlab prepared using a one-dimensional finite element program, to help the finite element method of learning)

Simple File Transfer program

实现语音的处理，如语音分离、语音去噪、变频、回旋、回声等功能(Voice processing, such as speech separation, de-noising voice, frequency, swing, echo, and other functions)