fft2

本程序完成地震信号的提取检测。以往都是利用地震信号的能量比，此处创新选择地震信号的过零点作为边缘提取的判断。新方法效果不错。(The process is complete extraction of seismic signal detection. Past, the energy ratio of seismic signal, where innovation and choice as the seismic signal zero-crossing edge detection judgments. The new approach is very effective.)

semblance analysis in matlab

code for advanced encryption and decryption algorithm.

麦克风语音增强算法的研究，原理是经麦克风采集的语音信号，经过功放使所需的信号增强(Microphone speech enhancement algorithm, the principle is captured by the microphone voice signal, the signal through the amplifier to make the necessary enhancements)

matlab环境下的前推后代法潮流计算程序，是7个节点的配电网。(before pushing sweep method flow calculation program matlab environment, the distribution network is seven nodes.)

运用矩量法计算空心圆筒的电参数，源代码清晰详细，适于学习，附有图片(Calculated using the method of moments electrical parameters of the hollow cylinder, source code, clear and detailed, for learning, with pictures)

Bilateral Filtering软件经过本人认真调试，能够直接使用。希望大家喜欢。(Bilateral Filtering software after I carefully debugging, can be used directly. Hope you like it.)

I forgot the name of codes

包括主成分分析、因子分析、贝叶斯分析，BP神经网络用于函数拟合与模式识别，最小二乘回归分析算法。( Including principal component analysis, factor analysis, Bayesian analysis, BP neural network function fitting and pattern recognition, Least-squares regression analysis algorithm.)

MATLAB操作极其简述，是书籍，供初学者参考(MATLAB operation is extremely brief, are books for beginners reference)