1D_FDTD

本程序实现QPSK信号，通过瑞利信道后的各部分星座图(The program QPSK signal, Rayleigh channel through each part of the constellation after)

matlab数据读取和导出应用实例,有助于初学者进行操作实习.对于初学者的提高有很大帮助.(Read MATLAB data and export application examples, helpful for beginners to practice. There is a great help for beginners. )

technique d accès multiple CDMA (Code Division Multiple Access)avec une HD (Hard Decision)

研究生时的现代信号处理的作业，包含了阵列信号处理的常见算法，包含收发两个客户端的链路级通信程序,BP神经网络用于函数拟合与模式识别，是路径规划的实用方法，包括广义互相关函数GCC时延估计。( Modern signal processing jobs when the graduate, Contains a common array signal processing algorithm, Contains two clients receive link-level communications program, BP neural network function fitting and pattern recognition, Is a practical method of path planning, Including the generalized cross-correlation function GCC time delay estimation.)

可进行图像分割 对于光纤图像 可分别初芯婧与外套(Image segmentation can be performed separately for the beginning of the image fiber core and the jacket Jing)

说明：  通过16个接收水听器组成线列阵，分别给出各个阵元接收信号，可实现 时域、频域等信号到达角判别(A linear array composed of 16 receiving hydrophones can be used to distinguish the angle of arrival of signals.)

VDSL的下行链路仿真。1.下行（局端到用户端）速率：20Mbps，上行（用户端到局端）速率：5Mbps；传输距离为500m；在Eb/N0 = 15dB时实现误比特率Pe<=10-4 2.可用信道频谱：0.138MHz-12MHz 3.双绞线模型采用RLCG模型，传输介质为0.4mm PE cable (simulation of VDSL down link)

Kelley C.T. Solving nonlinear equations with Newton s method

可实现对通信原理课程各章节的仿真实验，以matlab为基础，程序丰富。(Communication Theory courses each chapter simulation matlab based rich program.)

说明：  供大家学习UWB的simulink建模仿真,希望大家多多交流(For everybody to learn the simulink modeling and simulation of UWB, hope more exchanges)