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说明：  JADE算法应用于地球化学，应用与地球化学异常处理(Applied in geochemical JADE algorithm)

Most practical filters exhibit steady roll-off characteristic, in contrast to the sharp transition from the pass and stop bands. The important families of filters are: Butterworth, Chebyshev and Elliptic. As part of this lab, we study and design Butterworth filters. Butterworth filters are simple to design and have a maximally flat pass band response. In contrast the Chebyshev and Elliptic filters are difficult to design and have ripples in pass/stop band but have sharper roll off characteristics than Butterworth filters.

地球物理专业的地震波数值模拟程序，matlab编写，大家交流学习。。(Geophysics, seismic wave numerical simulation program, matlab prepared to share learning. .)

Boost电路实现光伏阵列的最大功率跟踪(Boost circuit photovoltaic array maximum power point tracking)

说明：  基于kalman滤波的gps组合导航滤波算法(Filtering algorithm of GPS Integrated Navigation Based on Kalman filtering)

说明：  提取地震动转动分量的小程序，包括两个摇摆分量和一个扭转分量(To extract ground motion rotational component of the applet)

用于添加噪声，达到去噪的目的.原始数据如果不太理想，去噪是常用的处理方法(Used to add noise to achieve the purpose of de-noising. If the original data is not ideal, de-noising is a common treatment method)

PCA 降维 有代码可以运行的哦 亲 PCA 降维 有代码可以运行的哦 亲 PCA 降维 有代码可以运行的哦 亲 (The code of PCA)

matlab环境下的灰色GM（1,1）完整程序，且带有部分说明(Grey GM matlab environment (1,1) complete procedures, and with a part)

说明：  matlab需需要的M文件，可以在里面调用买很好用没人穿就是，很可惜(files are needed by MATLAB)