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Orthogonal frequency-division multiplexing (OFDM) is a method of encoding digital data on multiple carrier frequencies. OFDM has developed into a popular scheme for wideband digital communication, used in applications such as digital television and audio broadcasting, DSL Internet access, wireless networks,powerline networks, and 4G mobile communications

关于脉冲信号的matlab程序。包括单边衰减指数信号，正弦信号，抽样信号，矩形脉冲信号等。(matlab program about pulse signal.)

对角加载波束形成算法，可以解决协方差矩阵存在误差条件下的波束形成算法(diagonal loading beamforming)

Probability of error of 4-DPSK system with differential phase coherent receiver.

神经网络训练程序、测试程序以及验证程序整体(Neural network training procedures, test procedures, and the overall validation process)

说明：  正交频分复用OFDM的选择性映射方法（SLM）抑制峰均比的matlab源代码，可运行(Orthogonal frequency division multiplexing OFDM selective mapping (SLM) PAPR of the matlab source code, can run)

根据海伦方程用矩量法编程MATLAB计算半波阵子天线的电流分布、归一化方向图、增益和阻抗(Under Helen equation using the method of moments programming MATLAB to calculate the half-wave time around the antenna current distribution, the normalized pattern, gain and impedance)

语音分析程序，包括语音分帧、短时能量计算等，对初学者很有帮助。(procedure for speech analysis,contains frame and energy caculate, it is usful.)

针对多层导热特性的一个简单分析模型，可通过对不同层材料特性的设置，核算材料温度的变化。 (A simple model for the analysis of the thermal properties of the multilayer may be provided by the material properties of the different layers, accounting material temperature variations.)

coler design segmentation The result of image segmentation is a set of segments that collectively cover the entire image, or a set of contours extracted the image (see edge detection). Each of the pixels in a region are similar with respect to some characteristic or computed property, such as color, intensity, or texture.