Power_HW

this is audio retrieval based on the feature extraction such as FFT, STFT, and Power Spectral Density

说明：  二维双凹激光振荡，采用菲涅尔衍射和fox-li方法，得到两维幅度和相位输出。考虑镜面倾斜的情况。(Two-dimensional double-concave laser oscillation, using Fresnel diffraction and the method of fox-li, the two-dimensional amplitude and phase output. Consider the case of mirror tilt.)

运用matlab编写，可用于一维信号压缩，经验证应用效果较好。(Using matlab prepared for one-dimensional signal compression, proven applications better.)

该程序用于Hilbert谱分解，可分析非平稳和非线的信号(The procedures used for the Hilbert spectral decomposition and analysis of non-stationary and non-linear signal)

maximum power point traking p and o

说明：  matlab开发-使用指数加权移动平均值的估计值。用指数加权移动平均法估计投资组合的风险价值。(Matlab development - the use of exponentially weighted moving average estimates. Using the index weighted moving average method to estimate the value at risk of the portfolio.)

说明：  噪声中非平稳信号的频谱分析，基于MATLAB，实验报告一份(Nonstationary noise frequency spectrum analysis, based on MATLAB, a lab report)

tham khao Xu ly tieng noi tren matlab

一个曲柄摇块机构的matlab代码，包括运动仿真和变量曲线图的生成。(A crank block body shaking matlab code, including motion simulation and the variable graph generation.)

北斗二代B1频点接收机捕获Matlab源代码(BD2B1 Matalab Receiver)