NN

周期图法功率谱估计，希望对大家能有所帮助。(Periodogram Power Spectral Estimation)

根据采样定理对信号采样，之后依据采样值恢复原信号。恢复的信号基本一致，验证性(Signal is sampled according to the sampling theorem, and then restore the original signal based on sampled values. Recovered signal basically the same, confirmatory)

simulate mimo system with OneRingSelective channel

script for the robot control

comp_snr.m总体和节段SNR，comp_wss.m加权频谱斜率度量，omp_llr.m似然比测量，comp_is.m板仓斋藤措施，comp_cep.m倒谱距离测量，addnoise_asl.m 基于活动语音水平以指定的SNR将噪声添加到干净的信号 (comp_snr.m Overall and segmental SNR，comp_wss.m Weighted-spectral slope metric，comp_llr.m Likelihood-ratio measure ，comp_is.m Itakura-Saito measure，comp_cep.m Cepstral distance measure，addnoise_asl.m Adds noise to the clean signal at specified SNR based on active speech level. )

说明：  基于PCA的matlab程序 实现数字的识别(The PCA-based digital identification matlab program)

本例用五点差分法求解一个二阶偏微分方程，其间用CG法处理，此实验可分别选取N=4，8，16，32(This example uses a five-point difference method for solving second order partial differential equations, during treatment with CG, were selected for this experiment can be N = 4,8,16,32)

利用粗糙集实现对数据的清洗，清洗掉无效的数据(he use of rough set to achieve the data cleaning, cleaning out invalid data)

中心极限定理和Box-Muller方法产生高斯噪声 并用于二进制双极性基带通信系统仿真(The central limit theorem and the Box-Muller method of Gaussian noise and used to generate a binary bipolar baseband communication system simulation)

2010 数学建模大赛 赛前matlab培训3(Mathematical modeling knowledge and experience 2010.zip)