OFDM_Multipath_simulation

该实验室用MATLAB环境下实现特殊边界的一些值，通过仿真实现图形的描绘。是电磁场学习的好帮手。(The laboratory MATLAB environment to achieve some of the special boundary value of graphic descriptions by Simulation. Field study is a good helper.)

一种材料表面形貌的表征方法-分水岭算法（或者称3Dmotif算法）(A material surface topography characterization methods- watershed algorithm)

这里面包含了几乎全部的SIMULINK在通信仿真中所要用到的命令(That which contains almost all of the SIMULINK simulation in communications to use in order)

contour operator for image processing and computer vision

基于matlab的波束赋形优化算法，需要搭配cvx工具包使用，代码运行时间较长(The beam forming optimization algorithm based on MATLAB needs to match the CVX toolkit, and the code runs longer.)

wave animation for floating body

天然河道干支流一维恒定流计算，包括断面面积，流速等计算，项目所用程序，经验证过，数据文件保密不能提供，内包含多个子程序(Natural river tributaries one-dimensional steady flow calculation)

micro paper published

假设截获了一段短波数字通信的信号，要求解调出最终的信息，每组解调出来后，将10组信息组合起来，恢复最终的信源输出数据。 先验信息：两组数据文件，编号为1、2，每组I、Q两路存放，格式为“int16”，采样率为9600Sa/s，其中第一组为单径情况，第二组为多径情况。 参数符合MIL-STD-188-110A标准； 同步序列为syn=seq.dat，BPSK调制； 接收机频率稳定度高于1e-6。 文件中有效信息总长度为333.75s，其中同步头长为5/12s，每时隙1/6s，训练序列占10 ，在数据之前； 交织方式为全交织，矩阵交织，列为1000，在比特级进行； 纠错码码率为1/2； 调制方式为BPSK、QPSK和8PSK中的一种，映射方式为二进制，BPSK相位偏移为0，其余两种为 。 (Suppose intercepted signal for a period of short-wave digital communications requires final demodulated information after each demodulated, combining 10 group information, to restore the final output data source. Priori information: two sets of data file, numbered 1, 2, each I, Q two-way storage, the format is int16 , sampling rate 9600Sa/s, where the first group is a single path, the second group multipath situation. Parameters meet MIL-STD-188-110A standard Synchronization sequence syn = seq.dat, BPSK modulation The frequency stability of the receiver is higher than 1e-6. File payload total length of 333.75s, wherein the synchronization header length is 5/12s, each time slot 1/6s, accounting for 10 of the training sequence, before the data Interleaving for the whole interleaving matrix interleaving, as 1000, carried out at the bit level Error correction code rate of 1/2 The modulation scheme is BPSK, QPSK and 8PSK one, a binary mapping, the BPSK phase offset is 0, the )

说明：  基于共轭对称结构训练符号的OFDM同步算法性能分析(Conjugate symmetry based training symbol synchronization algorithm for OFDM Performance Analysis)