broadband_beamforming

there is a matlab cod that describe how we can compute poincare map in general for nonlinear differential equation,in dynamical system.

PSO FOR TUNNING PARAMERTRS OF PID CONTROLLER

中心显示格式求解poisson方程与精确解在绝对值型误差下的误差值，矩形区域，狄利克雷边界情况！(Center display format and exact solutions for solving the poisson equation error in the absolute value of the type of error values, rectangular area, Dirichlet boundary conditions!)

说明：  这是一个两关节机械手的数学模型，matlab文件(This is a two joint manipulator mathematical model, matlab file)

傅立叶变换MATLAB程序，与傅立叶变换公式一致，可以对照看。(Fourier transform MATLAB program, consistent with the Fourier transform formula, you can control to see.)

辅助粒子滤波matlab代码，包括和粒子滤波的比较(Auxiliary particle filter matlab code, including comparison of the particle filter)

％％目标在监控区内运动轨迹为勾型曲线时的定位( Target in the surveillance zone trajectory curve for the hook when the positioning)

说明：  讲述信号处理中互相关技术的使用原理，并以超声波为例子，来说明其实用性。(About the cross-correlation signal processing techniques in the use of principles, and to ultrasound as an example to illustrate its practicability.)

语音信号的倒谱分析，语音采样频率44000hz，取20ms一帧语音，样点数880个，起始序号40000，加汉明窗，求倒谱图(Cepstrum analysis of the speech signal, voice sampling frequency 44000hz, take 20ms one voice, the number of samples 880, starting serial number 40000, Jia Hanming window, inverted spectrum)

harris的matlab程序，精度不是很高，但是大家可以根据需要进行改写(harris)