QHQQSOFT992

A filter bank structure that can deal effectively with piecewise smooth images with smooth contours, was proposed by Minh N Do and Martin Vetterli. The resulting image expansion is a directional multiresolution analysis framework composed of contour segments, and thus is named contourlet. This will overcome the challenges of wavelet and curvelet transform. Contourlet transform is a double filter bank structure. It is implemented by the pyramidal directional filter bank (PDFB) which decomposes images into directional subbands at multiple scales. In terms of structure the contourlet transform is a cascade of a Laplacian Pyramid and a directional filter bank. In essence, it first use a wavelet-like transform for edge detection, and then a local directional transform for contour segment detection. The contourlet transform provides a sparse representation for two-dimensional piecewise smooth signals that resemble images.

在MATLB中的OFDM的无线传输信道仿真。(Wiley10_MIMO-OFDM Wireless Communications with MATLAB )

DIFFERENT ARTICLES , USEFUL FOR ELECTRICAL ENGINEERING , ECONOMIC DISPATCH

Interactive music visualization

包括蚁群优化算法，梯度优化算法两个文档。(Including ant colony optimization algorithms, gradient optimization algorithm the two documents.)

matlab file on Line Parameters and Circuit Models, Switching Transients in Single-Phase Line simulation

混沌吸引子，有logistic,有lonez等(Chaotic attractor, there are logistic, etc. have lonez)

主要是用来实现车牌提取功能，车牌显示，灰度变换等的功能(License plate extraction is mainly used to implement functions, license plate revealed that the functions of gray transform)

this is the document ans source for fec in matlab

双历元GNSS辅助SINS动态初始对准方法，获得初始时刻的位置、速度、姿态等的信息。含有初始对准程序以及测试程序，四元数计算程序(Dual Dynamic epoch GNSS assistance SINS initial alignment method to obtain the initial time position, velocity, attitude and other information. Containing the initial alignment procedures and testing procedures, quaternion calculation program)