chuanre

平面波展开法计算二维能带结构，教FDTD快，资源占用少(Two-dimensional plane wave expansion method to calculate the energy band structures, the FDTD fast, low resource consumption)

说明：  针对低信噪比环境下基于能零比的端点检测方法准确率低的问题,提出了一种结合谱减法和短时零熵法的端点检测方法。首先通过功率谱减法对带噪语音进行降噪处理,然后结合短时平均过零率特征与谱熵特征,构造出一种新的语音参数,即短时零熵,最后运用双门限算法进行端点检测。实验结果表明该方法在复杂噪声环境下具有良好的端点检测性能,降低了检测的误判率。(To solve the problem of low accuracy of endpoint detection method based on energy zero ratio in low SNR environment, an endpoint detection method combining spectral subtraction and Short-term zero entropy method is proposed. Firstly, the noise is reduced by power spectrum subtraction, then a new speech parameter, short-time zero entropy, is constructed by combining the short-time average zero crossing rate and spectral entropy. Finally, the double threshold algorithm is used for endpoint detection. The experimental results show that this method has good performance of endpoint detection in complex noise environment, and reduces the rate of detection error.)

附件中的m代码包括了一系列的拟合函数，这些函数通常的输入是概率分布的样本。还有最大似然估计仿真器、最小平方仿真器、混合高斯分布估计的EM算法、(M in the annex to the code, including a series of fitting function, which function normally is the probability distribution of input samples. There are maximum likelihood estimation simulator, emulator least squares, mixed-Gaussian distribution is estimated that the EM algorithm,)

一个二项式回归剂量反应的例子，是广义线性的模型(Example of a binomial regression dose-response is a generalized linear model)

33节点的配电网重构程序，基于粒子群算法。相当快速。但是需要再修改源码才可以重新生成数据。(33 node distribution network reconfiguration procedures, based on particle swarm optimization. Pretty fast. But the need to modify the source code before they can re-generate the data.)

Ns-2 learning basics

IEEE paper on ofdm genration

稀疏信道估计的经典参考代码，值得下载学习(classic programming code of sparse channel estimation which is deserved for learning and it the website of mathworks.)

matlab图像处理源代码 大家多多分享(matlab Image processing source code )

说明：  本文件为MATLAB GUI设计简单例程，包括两个源文件（.m和.fig）,还有可供查询的文本文件和Exel表格。其功能为查询txt及Exel文件格式的学生成绩。(This document is designed to be simple routines MATLAB GUI, including the two source files (. M and. Fig), there is a text file and available for query Exel form. Txt, and its function as a check student achievement Exel file formats.)