Weight_W2

说明：  用动量梯度下降法训练BP网络 已知输入向量为P=[-1,-2,3,1 -1,1,5,3]，目标输出为T=[-1,-1,1,1]。 (Gradient descent with momentum BP network training input vector is known as P = [-1,-2,3,1 -1,1,5,3], the target output for the T = [-1,-1,1, 1].)

这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT，上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模块，并统括系统性能的仿真验证了系统设计的可靠性。(This is a relatively complete simulation of OFDM communication system design, including coding, modulation, IFFT, and down conversion, Gaussian channel model, FFT, PAPR suppression, various synchronization, demodulation and decoding module, and system performance omnibus simulation of the system reliability.)

该程序用matlab编写数值积分方法，包括梯形公式，Simpson公式和Romberg算法，在main.m文件测试三类算法。这是数值计算方法是必须掌握的代码。(The program is prepared using matlab numerical integration methods, including trapezoidal formula, Simpson and Romberg algorithm for three kinds of formulas in main.m file for testing. Is the numerical calculation method must master code.)

数字锁相环，matlab仿真模型，用PID实现(digital PLL,MATLAB simulation module)

本程序适用于阵列信号波束形成的MVDR算法，用matlab进行了仿真。(This procedure applies to the MVDR beamforming array signal algorithm, a simulation using matlab.)

线性调频信号的回波仿真，比较特别的是对近距目标的仿真(the stimulation of Linear fm signal wave , particularly to the close goals )

采用Matlab实现GMSK的正交调制与解调，要求画出基带调制信号及GMSK信号的波形(Achieved using Matlab quadrature GMSK modulation and demodulation, asked to draw GMSK baseband modulation signal and the signal waveform)

基于MATLAB的2FSK信号产生于处理，这个程序比较好，希望对大家有用(Based on MATLAB 2FSK signal processing, this program better, we want to)

Continuous wave radars and pulsed radars are discussed.Resolving range and Doppler mbiguities is also discussed in detail.(Continuous wave radars and a CDFI radars 're discussed.Resolving range and Doppler mbig uities is also discussed in detail.)

产生特定频率的雷克子波的MATLAB源代码，可帮助地球物理专业的学生进行合成地震记录。(function that generates a ricker wavelet of specified frequency ricker(sampling interval , number of samples , wavelet frequency))