Fdtd_1

这是一个基于空时分组编码的MIMO_OFDM通信系统的仿真设计。 此系统包括QPSK调制解调，IFFT调制，空时编解码，基于训 练符号的信道估计等通信模块 (This is a space-time block coding based on MIMO_OFDM Communication System Simulation. This system consists of QPSK modulation and demodulation, IFFT modulation, space-time coding and decoding, symbol-based training channel estimation training and other communication module)

此为MATLAB的m文件，用于地震数据中sg2文件数据的读入。(This is the m file of MATLAB, which is used to read SG2 file data in seismic data.)

噪声的调制，可以改变调制信号频率，观测已经调制波形(Noise modulation can be changed to the modulating signal frequency, the observation has been modulated waveform)

Generating the bit pattern with each bit 6 samples long

说明：  二阶锁相环 matlab实现 QPSK BPSK(Implementation of QPSK BPSK with second-order PLL matlab)

MAP检测 MMSE检测 LS 等信号检测和估计算法实现(MAP MMSE LS LMS RLS winner LSE)

将NSGA-II 的理念融入粒子群中，并加入保存优秀解的机制，提出MPSO算法。针对MPSO 易陷入局部极值的缺点，加入变邻域机制，通过随机的破坏旧解和重建新解，找到全局最优解，以达到帮助粒子跳出局部极值的目的，提 出VNS-MPSO 算法。(Will the NSGA- II concept into particle swarm, and join save good solution mechanism, MPSO algorithm is put forward. Against disadvantages of MPSO easy to fall into local extremum, join the variable neighborhood mechanism, through the random destruction of the old and rebuild the new solution, find the global optimal solution, to achieve the purpose of help particles jump out of local extremum, The VNS- MPSO algorithm.)

matlab教程ppt,适用于初学者,有程序(matalb )

数值分析计算程序例子，三次样条插值法，边界条件：端点导数值已知。(Numerical the analysis calculation procedures example, cubic spline interpolation, boundary conditions: endpoint derivative)

matlab code for JTAG cable checking