EMAlgorithm

在uwb信道下加性高斯白噪声下pak bpsk的原程序(Uwb channel in additive white Gaussian noise, the original program under the pak bpsk)

描写了语音增强算法中的谱减法，从有噪声的语音信号中提取尽可能纯净的原始语音(Describe the spectral subtraction in speech enhancement algorithm, noisy speech signal as much as possible to extract the purity of the original speech )

这个一个很全面的数字信号处理的实验工具包，里面包含了大部分的数字信号处理实验的各个方面。希望对大家有帮助。(This a very comprehensive test of digital signal processing tool kit, which contains most of the digital signal processing aspects of the experiment. Hope to help.)

一种认知无线电网络中的新型主动频谱选择算法，这篇文章提出的算法比较新颖(A cognitive radio network in the new active spectrum selection algorithm, the proposed algorithm of this relatively new article)

Run the ROI file by issuing the command ROI in the command window and a GUI screen will pop up, the screen may be used for selecting a Region of interest while viewing the full length movie and adjusting the region of interest accordingly, after hitting save the GUI will dismantle the movie to seperate images and will save them in current folder.The GUI panel is self explanatory and as such does not require any further explanations

该程序利用三阶科斯塔斯环实现锁相环结构，有效的估计输入信号的相位变化，在通信系统的同步上广泛应用。(The program uses the third-order Costas loop to achieve phase-locked loop structure, effectively estimate the phase change of the input signal, widely used in synchronous communications system.)

DF加中继基于门限的中继选择，适合基础者学习。(DF plus relay threshold-based relay selection, suitable foundation to learn.)

attached code is multisim sensor example with all the details

OFDM系统在频率选择性衰落信道下误码率特性。(OFDM systems in frequency selective fading channel bit error rate performance under)

说明：  遗传算法优化BP神经网络，通过遗传算法对BP神经网络进行优化。(Genetic algorithm optimizes BP neural network, and optimizes BP neural network through genetic algorithm.)