AR_spectrem

Ⅰ层模型声波波场数值的有限差分模拟程序,利用有限差分方法,对声波在地下的传播进行模拟(Ⅰ layer model acoustic wave finite difference numerical simulation program using finite difference method, the spread of sound waves in the ground to simulate)

双闭环直流调速系统启动仿真图，实物图，可以看到启动波形(Double Loop DC Motor System Startup simulation map, physical map, you can see the waveform start)

SIFT算子程序，，使用简单，，代码有注释，，并给出使用方法(SIFT operator subroutine, use simple code annotated, and given the use)

这是关于二自由度直升机模型的前向控制和反馈控制的simulink仿真模型(This is the simulink simulation model helicopter model before about two degrees of freedom to control and feedback control)

小波分析与应用基础 张国华 matlab的许多应用技术及代码(Wavelet analysis and application of basic Zhang Guohua matlab many applications and code)

PLOT PD VERSUS PFA DETECTIN THEORY ROC RECEIVER OPERATING CARACTERISTICS

图形的透视演示,两个圆，外面一个镂空，投射里面一个圆。(Presentation graphics perspective, the two round, outside a stencil, projection inside a circle.)

1）了解小波分解与小波包分解概念区别与联系； 2）了解小波包的分解和重构算法积； 3）用matlab编程对信号进行小波包分解及小波能量图的绘制。 (1) to understand the wavelet decomposition and wavelet packet decomposition of differences and relations between concepts 2) to understand the wavelet packet decomposition and reconstruction algorithms of product 3) the signal using matlab programming wavelet packet decomposition and wavelet energy mapping.)

说明：  多波束天线增益chebychev展开 -45db旁瓣水平(Expand multi-beam antenna gain chebychev sidelobe level of-45db)

Merge Sort Implementation!!