sift

该文件运用matlab仿真工具仿真通信中的关键技术之一，锁相环。采用不同的调制方式。(The document the use of simulation tools for communication matlab simulation of one of the key technologies, phase-locked loop. Different modulation.)

说明：  matlab 和c或者c++ 接口程序，采用mex技术和matlab 计算引擎方式，可以提高matlab运行效率(matlab and c or c++ interface program using matlab calculation mex engine technology and methods can improve the operating efficiency matlab)

介绍线性预测编码(LPC)及其基本原理，由语音信号常用的全极点模型的传递函数推导出线性预测方程，(Introduction of linear predictive coding (LPC) and the basic principles of commonly used by the speech signal transfer function of all-pole model of a linear prediction equation is derived,)

非线性方程组数值解法之拟牛顿法matlab程序代码(The numerical method for solving the nonlinear equations of the quasi-newton method of matlab program code)

极坐标系下的Matlab三维画图程序，实用性好(polar plot 3D Matlab source code)

Very flexible function, you can create seven segment image of any size

均匀线阵和均匀圆阵的DOA估计，对理解均匀圆阵的方位360度DOA分辨率相等很有帮助，程序里注释很详细。(the DOA estimation of Uniform linear array and uniform circular array, it is helpful to understand uniform circular array s equal resolution in 360 degrees,the detailed comments are given in it.)

vector control of bldc by current source inverter and voltage source inverter

i send the matlab codes for embedded zero tree and se partioning in hierarchial trees in image compression.I also send matlab code for speech compression using rabiner algorithm amd OFDM transceiver design.

说明：  GA-TSP 运用遗传算法求解TSP问题，需要分开函数保存在运行。(GA-TSP the use of genetic algorithm to solve TSP problem and needs to separate the function is saved in the running.)