05-

Reconstruction of magnetic resonance images from data not falling on a Cartesian grid is a Fourier inversion problem typically solved using convolution interpolation, also known as gridding. Gridding is simple and robust and has parameters, the grid oversampling ratio and the kernel width, that can be used to trade accuracy for computational memory and time reductions. We have found that significant reductions in computation memory and time can be obtained while maintaining high accuracy by using a minimal oversampling ratio, from 1.125 to 1.375, instead of the typically employed grid oversampling ratio of two. When using a minimal oversampling ratio, appropriate design of the convolution kernel is important for maintaining high accuracy

A Novel Data-Aided Channel Estimation with Reduced Complexity for TDS-OFDM Systems

将WVD应用于ISAR中的程序，对其进行参数估计。非常完整。(The WVD applied to ISAR the program, its parameter estimation. Very complete.)

说明：  MATLAB 最新的时频分析工具箱1，里面包含大量的MATLAB时频分析函数(The latest MATLAB toolbox 1 time-frequency analysis, which contains a large number of time-frequency analysis of the MATLAB function)

这是居于matlab下，7.4用汉明窗、布莱克曼窗设计滤波器，7.5是用Kaiser窗设计滤波器(The example 7.4 is use Hamming hamning blackman design of the lower filter,and the 7.5 is use Kaiser)

GR THEORY MATLAB CODES

Matlab surface interface~(Matlab surface interface ~)

一般室内信道模型，利用瑞利衰落通过10000次信道得到2径模型，并生成指数模型，程序齐全，脚本都在里面，有中文注释(The general indoor channel model uses Rayleigh fading through 10000 channels to get the 2 path model and generate the exponential model. The program is complete, the script is in it, and there are Chinese annotations.)

粗糙集工具箱 可以进行粗糙集上下近似集的计算，重要度等等 属性约简 决策分类等等(Toolbox rough sets rough sets can calculate the upper and lower approximations, importance, etc., etc. Classification Decision Attribute Reduction)

说明：  层叠滤波方法实现秩排序统计滤波器及其matlab实现(Cascade filter implementation matlab rank order statistic filter and its implementation)