s3c2440多扩展原理图包括多网口与16c550的接口电路，usb can总线

详细解说了atmel系列单片机下的80c52 单片机的最小系统设计，以及所需的元件。-A detailed explanation of the series of microcontroller atmel microcontroller 80c52 under the minimum system design, and the necessary components.

DMA技术与DMA控制器：DMA传输控制原理，8237A的工作方式，8237A寄存器组的作用，8237A寄存器组的编程-DMA technology and DMA controller: DMA transfer control principle, 8237A work, 8237A group of the role of registers, 8237A Register Group Programming

将dxf转化tab文档-will dxf file conversion tab

* 用改进的欧拉方法求解初值问题，其中一阶微分方程未y =f(x,y) * 初始条件为x=x[0]时,y＝y[0]. * 输入: f--函数f(x,y)的指针 * x--自变量离散值数组(其中x[0]为初始条件) * y--对应于自变量离散值的函数值数组(其中y[0]为初始条件) * h--计算步长 * n--步数 * 输出: x为说求解的自变量离散值数组 * y为所求解对应于自变量离散值的函数值数组 -* Improved Euler method to solve initial value problems, not an order differential equation y = f (x, y)* initial conditions for x = x [0], y = y [0].* Input : f-- function f (x, y)* x pointer-- from the array variable discrete values (x [0] for the initial conditions)* y-- corresponding to the variable discrete value of the function of the array (y [0] for the initial conditions)* h-- calculated step* n-- steps* output : Solving for x that the variable array* discrete values by solving y variables corresponding to the value of the discrete function arrays

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arm7芯片 lpc2214中文数据手册 -ARM7 chip LPC2214 Data Sheet Chinese

数据库连接方法 -Database connection methods database connection methods

PDZ规范和模板的控制

ANSYS单元翻译，希望对初学者有所帮助，比较基础-ANSYS unit of translation, and they hope to be helpful to beginners, basis of comparison

一篇全面介绍MIMO的经典文章。推荐入门者下载-MIMO a comprehensive presentation of the classic articles. Download recommend beginners