mvdr

Abstract：Thearticleismainlydevotedtothetheoryaswellastheachievementonthemodulationanddemodulationofπ/ 4-DQPSKsysteminthesoftwareSystemView.Besides，thearticleanalysesthedynamicandstatic behaviorsoftheπ/4-DQPSKsystemaswellastheperformanceagainstnoiseundertheconditionofGaussnoise channel.Thecomparisonismadeonthespectrumandanti-noiseperformancebetweenπ/4-DQPSKandQPSK underthethesamechannel.Theresultofsimulationshowsthatthespectrumexpandingofπ/4-DQPSKissuperiortothatoftheQPSKsystem. Keywords：π/4-DQPSK；SystemView；computeraideddesign（CAD）；Matlab(Abstract: Thearticleismainlydevotedtothetheoryaswellastheachievementonthemodulationanddemodulationof pi/4-DQPSKsysteminthesoftwareSystemView.Besides, thearticleanalysesthedynamicandstatic behaviorsofthe pi /4-DQPSKsystemaswellastheperformanceagainstnoiseundertheconditionofGaussnoise channel.Thecomparisonismadeonthespectrumandanti-noiseperformancebetween pi /4-DQPSKandQPSK underthethesamechannel.Theresultofsimulationshowsthatthespectrumexpandingof pi /4-DQPSKissuperiortothatoftheQPSKsystem. Keywords: Pi /4-DQPSK; SystemView; Computeraideddesign (CAD); Matlab)

Xiao信道模型的建立及仿真，还有自相关函数的仿真结果(Xiao channel model simulation correlated function)

Lamb波的频散曲线是进行超声Lamb波无损检测的重要依据。本程序对Rayleigh2Lamb方程进行了分析,给出了板中Lamb波频散曲线的数值计算方法,通过Matlab软件对求解过程进行编程,绘制出Lamb波在铝板中传播的相速度和群速度曲线,对推广应用Lamb波进行无损检测具有实际意义。(dispersion curve of lamb)

主要介绍了matlab7.0的基础知识和使用技巧包括（数值运算，符号运算，图形处理）及强大的编程功能和各种实际应用(It mainly introduces the basic knowledge and skills including the use of (numerical computation, symbolic computation, graphics processing) and a powerful programming features and a variety of practical applications)

一些关于希尔伯特--黄变换的预备知识即应用实例(About Hilbert- Huang transform prior knowledge that the application example)

融合程序,matlab的源代码。内含两个程序。(Fusion program, Matlab source code. Contains two procedures.)

计算二维图像的盒维数，压缩包中包含较多分形几何经典图片，程序自己调试，供大家学习或做科研使用。(Two dimensional image of the box dimension, compressed package includes more classic picture of fractal geometry, Cheng Xu own debugging, for everybody to learn, or Zuo Keyanshiyong.)

利用matlab进行时频分析的程序，傅里叶变换、短时傅里叶变换、小波分析等等，功能十分齐全。(Using matlab to process time-frequency analysis, Fourier transform, short time Fourier transform, wavelet analysis, etc., function is complete.)

Matlab Coce for PCA 2

代码主要实现了零样本图像分类中的直接属性预测模型。在没有训练样本的情况下对其进行分类。(Code mainly realize the zero sample image classification of direct property prediction models. In case of the absence of training samples to classify them.)