LISTING5_1

语音信号处理中基音周期的提取算法，用线性预测的基本算法原理，matlab实现。(Speech signal processing in pitch extraction algorithm, the basic algorithm with linear prediction theory, matlab implementation.)

计算光子晶体的能带投影图，为波导模的确定以及光子晶体薄板提供基础(calculated photonic crystals with projection to determine the mode waveguides and photonic crystal to provide the basic sheet)

Get stock data from Yahoo! Finance to Matlab.

一种分布式协同优化的认知无线电频谱检测技术研究源程序(A study of the cognitive radio spectrum detection technology of distributed collaborative optimization source program )

说明：  无限冲击响应滤波器 (IIR) 实现，涉及一个Butterworth低通滤波器，设计指标为：在通带内频率低于0.2π时，最大衰减小于1dB；在阻带内[0.3π, π]频率区间上，最小衰减要大于15dB (An infinite impulse response filter (IIR) implementation, involves a Butterworth low-pass filter design specifications as follows: in the passband frequencies below 0.2π, the maximum attenuation is less than 1dB in the stopband [0.3π, π] frequency interval , the minimum attenuation greater than 15dB )

二维MUSIC算法仿真，经典的角度估计算法之一，阵列信号处理必备程序之一。完整，详细，可运行(2D_DOA_MUSIC_Algorithm , array signal processing)

三维重建技术的研究是计算机视觉学科的一个重要领域，而双目视觉则是三维重建中的一项重要技术，它利用左右摄像机拍摄出的立体图像对，依据其中包含的几何关系将场景的三维信息重构出来。(The 3-D reconstruction technology of computer vision is a significant field of computer vision ,and binocular stereo vision is a very important technique in 3-D reconstruction of scene.)

matlab code for PCA or eigenface face recognition.

Rayleigh distribution function of a signal

一种数据平滑代码，可以对一组数据进行三点、五点、七点等平滑，并可以调整平滑次数。(A data smoothing code, a set of data for three, five, seven and so smooth, and you can adjust the number of smooth.)