ch6example3

Poer spectral density of BPSK, QPSK and 16-QAM

说明：  无线传感网络节点分簇算法的研究，包含leach分簇(Wireless sensor network node clustering algorithm, including leach clustering)

Dimensionality reduction

说明：  基于干涉极值法提取相位功能函数，可以快速提取干涉条纹的相位(The phase function is extracted based on the interference extremum method, which can quickly extract the phase of interference fringes)

this programs finds the magnitude and phase response of a second order resonator or any other system

自适应滤波LMS算法语音降噪，采集一段wma文件，加入高斯白噪声，然后实现降噪。(LMS adaptive filtering algorithm for speech noise reduction)

一个MATLAB程序，简单的将一个模板水印加到图片上 可以实现放大缩小模板，可以任意位置添加(A MATLAB program, simply add a watermark template can zoom the image template, you can add anywhere)

大气模型计算，本软件可实现计算不同高度的密度、气压等参数。(Atmospheric model calculations, the software can realize a high degree of different density, pressure and other parameters.)

Yen threshold method realized in Matlab environment based on Yen J.C., Chang F.J., and Chang S. (1995) "A New Criterion for Automatic Multilevel Thresholding" IEEE Trans. on Image Processing, 4(3): 370-378

说明：  BP网络仿真实例参考:包含BP网络设计实例及仿真源程序.(BP network simulation reference: BP network design contains examples and simulation source.)