3dfdtd

说明：  自适应网格划分通用程序包，美国伯克利大学开发的共享软件包。(Adaptive Mesh generic package, the United States developed at the University of Berkeley's share package.)

在一个圆柱体上用二维棉片来模拟树皮表面的粗糙效果(cylinder in a two-dimensional cotton used to simulate bark film surface roughness effects)

cplex中文教学ppt ，cplex是商用混合整数规划软件，编制的程序对模型进行全局优化。(The cplex Chinese teaching ppt, cplex commercial mixed integer programming software, the program prepared by the global optimization model.)

本课程是航空航天类院校本科飞行器设计与工程专业教学计划中的一门技术基础课。为飞行器设计与工程专业学生的必修课。本课程的目的和任务是使学生掌握流体力学基本知识和空气动力学的基本概念、基本理论，以及解决空气动力学问题的基本方法和分析手段。本课程的内容可分为两大部分：低速空气动力学和可压缩空气动力学，包括了空气动力学的基本概念、低速流动和可压缩无粘流动的基本原理、绕翼型和机翼的不可压缩流动的薄翼理论和有限翼理论、激波理论、翼型亚音速和超音速线化理论及应用等。(This course is a class of undergraduate aerospace vehicle design and engineering teaching program in a technical basic course.)

说明：  为了降低卫星链路在恶劣天气下对信号严重的衰减，选择一种好的信道编码对保证信号的质量具有重要的意义(THE SATELLITE COMUNICATION SYSTEM LINK DESIGN BASED ON VSAT)

rar文件解压源码,为rarlab公司发布(source code for unrar-5.2.6,uppack the .rar files,for multi-os )

说明：  进行等时延分段，并对等间隔段的两个时延矩阵分别求取均值，采用类似联合近似对角化，估计出最优化的酉矩阵，(ing second-order statistics (different time-delay correlation matrix) of non-stationary and structural characteristics of the signal timing can roughly estimate that the instantaneous linear mixture of blind source signal. With the time delay increasing, only using a single delay covariance equalization and ignoring the time-varying characteristics of the signal, which difficult to ensure the performance of algorithm. Analysis of the average characteristics of ma)

systemvue对通信系统仿真，并进行对数字信号的载波传输仿真实验(systemvue the communications system simulation and digital signal carrier transmission simulation)

该程序是基于MATLAB的磁悬浮系统连续控制的具体程序实现(The program is based on the specific program MATLAB maglev system to achieve continuous control)

这个是关于matlab仿真OFDM的完整程序，可以很好的掌握哦对于初学者(the study of OFDM using matlab)