modelling-and-sim-matlab-comm-system

螺栓行业标准，介绍了各种螺栓的受力分析 和计算，图表等举例说明。(Bolt industry standards, describes the various bolt stress analysis and calculations, charts illustrate.)

说明：  关于BP神经网络的一个MATLAB程序,仿照《智能控制》教材书上的(About a MATLAB BP neural network program, modeled on the intelligent control teaching book)

采用广义互相关法用于完成时延估计，能够达到一个较好的精度(The generalized cross-correlation method is used to perform time delay estimation, and a better accuracy can be achieved)

这个程序是用来仿真多小区多用户，已知信道信息，采用OFDM，QPSK调制下的误码性能分析，特点是将预编码参数放在频域处理。(This program is used to simulate multi-user multi-cell, known channel information, using OFDM, QPSK modulation BER performance under analysis, is characterized by the pre-coding parameters on the frequency domain.)

粒子群算法是一种智能优化算法，具有良好的全局搜索能力和鲁棒性。(Particle swarm optimization algorithm is an intelligent algorithm, which has a good global search capability and robustness.)

lms和rls自适应算法的均衡器的设计，包括原理和仿真结果(lms and rls adaptive equalizer algorithm design, including schematics and simulation results)

轨迹发生器，自动生成导航轨迹，可用于导航解算。(Trajectory generator, automatically generate the navigation path can be used in navigation solution.)

利用小波变换进行图像灰度增强，其中与直方图，中值滤波图像处理进行了对比(Using wavelet transform image gray enhanced, including histograms, median filter image processing were compared)

对于两种目标类型，有无脉冲积累的SNR相对检测距离的曲线。(For both target types, with or without pulse accumulation of SNR relative detection distance curve.)

DD解相关多用户检测器和CD传统多用户检测器的误码率比较（八个用户）( DD decorrelating multiuser detector and a CD of traditional multi-user detector error rate (eight users))