Interpolation

fisher线性分类器训练计算样本错误率，画投影直线(fisher linear classifier training sample error rate calculation, draw a straight line projection)

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)

spectral-clustering-demo 谱聚类的matlab演示程序，是学习谱聚类的好资料，经调试通过，包含n-cut和改进的n-cut(spectral-clustering-demo demo matlab spectral clustering, spectral clustering is good information to learn by debugging through, including the n-cut and improving the n-cut)

Impulse noise Generation

对一段话中的英文文字和句子计数，GUI界面源程序(count the number of all the words and sentences)

本程序基于2DIT-FFT变换，效果相当好，通俗易懂，适合初学者学习。(The program is based on 2DIT-FFT transform, the effect is quite good, easy to understand for beginners.)

本程序是设计巴特沃斯滤波器的代码，可以正常运行，实现巴特沃斯滤波器的基本功能。(butterworth filter)

各种颜色空间介绍(Introduced a variety of color space)

hard decision of binary hamming code

根据15个星历参数计算卫星地心地固坐标系下的速度，位置（6个开普勒轨道参数，9个摄动参数）(compute satellite postion)