QPSKrayleighchannelmatlabmodelingandsimulation

对噪声信号中的正弦信号，通过Pisarenko谐波分解方法、Music算法和Esprit算法进行频率估计，信号源是： 其中， ， ， ； 是高斯白噪声，方差为 。使用128个数据样本进行估计。 1、用三种算法进行频率估计，独立运行20次，记录各个方法的估计值，计算均值和方差； 2、增加噪声功率，观察和分析各种方法的性能。(Sinusoidal signal in the noise signal through the Pisarenko harmonic decomposition method, Music algorithms and Esprit frequency estimation algorithm, the signal source is: where,,, a Gaussian white noise, variance. 128 data samples used to estimate. 1, with three kinds of frequency estimation algorithm, run independently 20 times, record the estimated value of each method to calculate the mean and variance 2, the increase in noise power, observation and analysis of the performance of various methods.)

FOR HELP AND DOCUMENT FOR POWER DCV S

Adaptive Gradient-Based Methods for Adaptive Power Allocation in OFDM-Based Cognitive Radio Networks. IT IS THE RECENT PAPER IN COGNITIVE RADIO NETWORKS

关于kmeans 的算法，和如何验证匹配准确率的算法(About kmeans algorithm, and how to verify the accuracy of the algorithm matches)

SCRIPT TEST Bayesian Denoising in the Wavelet-domain using the alpha-stable prior

A GUI for browsing and finding region of interent in a gaussion noise filtered image.

matlab程序，适用于求解螺旋锥齿轮啮合线分析，其中以对数螺旋齿轮分析(Matlab procedures applicable to the solving of spiral bevel gear meshing line analysis, with a few pairs of helical gear Analysis)

说明：  短时频分析,程序中通过加窗截取信号，分析其时频关系(short time-freqence analysis)

是MATLAB中常用的函数，非常适合初学者，对于工程师研究人员等也可作为手册来查(MATLAB function is commonly used, is suitable for beginners, for engineers, researchers, etc. may also be a manual check)

对井下放炮，地面接收地震资料进行偏移。长测线同样适用。(Underground blasting, ground receiving seismic data offset. Long lines are equally applicable.)