suanfa

ofdm channel estimation using ls and mmse methode matlab code

说明：  垂直阵测量误差分析及甚宽频带恒定束宽性能，吴国清的论文(Vertical array analysis and measurement error is very broadband constant beamwidth performance, Wu Guoqing papers)

Analysis of steady state/ transient behaviour of HVDC systems due to AC/ DC Faults, commutation failure etc. using PSCAD simulating software. Also conducted studies on control methods/ protection requirements as well as distribution on the Delhi-Rihand HVDC system.

说明：  S变换的源程序,具有很好的时频解析功能，处理非平稳信号的有力武器(S transform source code, a powerful weapon to have good time-frequency analysis, processing non-stationary signals)

各种方法的去噪程序 den1.m 使用半软阈值方法对图像进行去噪 den1_5_1.m 半软阈值的改进方法 对第一层重构图像进行均值滤波 den1_9.m 半软阈值的改进方法 将线性衰减的函数改为指数的 den1_10.m 半软阈值的改进方法 对第一层的重构图像再次进行小波阈值去噪 den2.m 用软硬阈值函数的改进方法进行去噪 den3.m 用广义阈值函数进行去噪 den4.m 用自适应特征阈值函数进行去噪 wdenoise.m 用Donoho阈值或Birge-Massart策略及软阈值或硬阈值函数进行去噪 meanfilter.m 均值滤波方法进行去噪(对比用) medfilter.m 中值滤波方法进行去噪(对比用)(Denoising procedures for various methods Den1.m using semi soft threshold method for image denoising The improved method of den1_5_1.m semi soft threshold for the first layer of the reconstructed image The improved method of den1_9.m semi soft threshold will be changed linear to exponential. The improved method of den1_10.m semi soft threshold for the first layer of the reconstructed image again for wavelet thresholding denoising Den2.m using the soft and hard threshold function to improve the method of denoising Den3.m using generalized threshold function for denoising Den4.m with adaptive feature threshold function for denoising Wdenoise.m with Donoho threshold or Birge-Massart strategy and soft threshold or hard threshold function for denoising Meanfilter.m mean filtering method for denoising (contrast) Medfilter.m median filtering method for denoising (contrast))

用matlab实现TFIDF算法,有助于初学者了解关键字提取算法.(TFIDF algorithm using matlab implementation will help beginners understand the keyword extraction algorithm.)

降低OFDM的PAPR的PTS方法MATLAB仿真(OFDM PAPR Reduction PTS Method)

matlab下实现研究VSC-HVDC的次同步振荡特性 模型很不好找哦(matlab research under the VSC-HVDC model of sub-synchronous oscillation is 不好找 Oh)

模糊控制器，应用于控制系统，例如倒立摆的控制中。(Fuzzy controller used in control systems, for example, the control of inverted pendulum.)

特征值分解的例子，music算法，pisarenko算法等(Eigenvalue decomposition of the example, music algorithm, pisarenko algorithm)