vehicle_returnability_anlysis

利用离散余弦变换求取重力或磁异常的水平与垂直导数，简单实用。(using the DCT transform to calculate the horizontal and vertical derivatives of potential-field anomaly.)

微电网的小干扰稳定性分析程序，尅实现并联运行的分析(Small signal stability analysis can work in parallel types just download it you can get a lot to learn!)

说明：  适用于电化学噪声的HHT变换，求解边际谱和绘图(It is suitable for HHT transformation of electrochemical noise, marginal spectrum and mapping)

this is partial code for paper "A Robust Wavelet-Based Watermarking Algorithm Using Edge Detection"

pharse verb get .........................................

经典语音降噪算法——维纳滤波算法。实现提高语音信号信噪比，提高可读性。(Classic voice noise reduction algorithm- Wiener filtering algorithm. Improve the signal-to-noise ratio of the speech signal, improve readability.)

lear N = 10^5 EB_NO = [-1:30] liu1 = zeros(1,N) liu2 = zeros(1,N) for ii = 1:length(EB_NO) m= (2*(rand(1,N)>0.5)-1) + j*(2*(rand(1,N)>0.5)-1) s = (1/sqrt(2))*m normalization of energy to 1 n = 1/sqrt(2)*[randn(1,N) + j*randn(1,N)]

在matlab环境下，利用ofdm实现的uwb。(In the matlab environment, the use of ofdm implementation uwb.)

The random walker algorithm was introduced in the paper: Leo Grady and Gareth Funka-Lea, "Multi-Label Image Segmentation for Medical Applications Based on Graph-Theoretic Electrical Potentials", in Proceedings of the 8th ECCV04, Workshop on Computer Vision Approaches to Medical Image Analysis and Mathematical Methods in Biomedical Image Analysis, p. 230-245, May 15th, 2004, Prague, Czech Republic, Springer-Verlag. Available at: http://cns.bu.edu/~lgrady/grady2004multilabel.pdf

马尔可夫的pdf资料，讲解详细。资源不错。希望大家和我一样能有所收获。(Markov pdf data, explain in detail. Good resources. I hope you like me can be harvested.)