PRM

说明：  Arduino line tracking robot

perl24小时学习教程，从零开始教你学习perl(perl24 hours learning guide and start from scratch to teach you learn perl)

说明：  Engine Packet for Unreal Engine

给出了一种以惯导系统为主，GPS和磁航向传感器为辅的多传感器组合导航系统，并对该组合导航 系统进行了仿真研究(Given the multi-sensor integrated navigation system, an inertial navigation system-based, supplemented by GPS and magnetic heading sensor and the integrated navigation system simulation study)

这是VC++精彩案例一书的随书光盘（三），里面包含了很多具有代表性的代码，可用于初学VC者参考的好资料(This is a wonderful case with the CD (3), which contains a lot of representative code that can be used when a person VC good reference information)

这是一个电话号码合网络地址转换的程序源代码。-This is a telephone number a network address translation of the source code.

!本程序主要用来解决二维平面应力弹性问题（带厚度），在f90上调试通过。 !包含主程序STRESS和三个字程序ELSTMX(KK)、MODIFY、DCMPBD和SLVBD !主程序主要进行基本的输入输出以及最大半带宽的计算，组装总体刚度矩阵计算的应力应变值 !子程序elstmx(kk)计算刚度系数矩阵，生成第kk单元的刚度矩阵k !子程序MODIFY输入节点的集中力，边界节点的位移，对总体刚度矩阵和位移数组和节点力数组作修改 !子程序DEMPBD用高斯消元法将半带宽的矩阵变成上三角阵 !子程序SLVBD为总体矩阵的回代求位移向量DD(! The program is mainly used to solve the two-dimensional plane stress elasticity problems (with thickness), the f90 debugging through. ! Contains the main STRESS and words program ELSTMX (KK), MODIFY, DCMPBD and SLVBD! Main program for basic input-output and maximum half bandwidth calculation, the overall stiffness matrix assembly calculated stress and strain values! Subroutine elstmx ( kk) calculate the stiffness coefficient matrix to generate a first kk element stiffness matrix k! subroutine MODIFY input node of concentration, the displacement boundary nodes, the overall stiffness matrix and nodal force and displacement array array modified! subroutine DEMPBD using Gaussian elimination element method for the semi-bandwidth matrix becomes upper triangular matrix! subroutine SLVBD overall matrix for the displacement vector DD back intercessions)

OFDM信道的参数估计模拟。QDPSK调制，采用训练信号。(OFDM channel estimation simulation.)

实现基于SOCKET的网络聊天室功能，适合初学者对网络编程的学习-SOCKET network-based chat room features, suitable for beginners to learn programming on the network

drop file java(drop file java------------------------ )