Assignment(sHB)

周立功推广的FPGA原理图，有一定的参考价值(ZLG promotion FPGA schematic diagram, there is some reference value)

三相电参数的快速、高精度的检测算法,利用对称分量法、傅里叶变换(Three-phase electrical parameters of the rapid and high accuracy measuring algorithm, using symmetric component, Fourier transform)

C语言编程的航天规范，GJB5369-2005航天型号软件C语言安全子集(C program guide for sapce application)

提供一些有关电脑硬件和软件方面的小知识，以备平时解决一些电脑故障问题(Provide some information about your computer hardware and software aspects of the little knowledge)

电信行业出账模块设计文档：月末出账 形成账单(The telecommunications industry account module design document)

电表应用的国外标准规约专属名词，适用于DLMS规约(Statute of foreign standard metering applications)

一个IP电话路由框架 (RFC2871)(RFC 2871 in Chinese)

linux用命令安装oracle 不需要显示图像 可以用终端安装(linux with the command to install oracle)

说明：  目前牵引变压器差动保护原理在某些因素的影响下并不能准确地区分变压器内部故障和外部故障，可能造成保护误动或拒动，危及电气化铁道系统的安全运行。针对这一现状，建立了计及铁芯非线性特性和磁滞效应而又无需铁芯的B－H曲线数据的牵引变压器模型，提出了一种通过参数辩识理论来辩识牵引变压器绕组参数实现牵引变压器微型机保护的方法。该方法能有效地区分内部故障、外部故障和励磁涌流。仿真计算表明了该方法的正确性和可行性。(Traction transformer differential protection principle in the safe operation and can not accurately distinguish between the transformer internal faults and external faults, may be to cause protection mistaken or refuse to move, endangering the electrified railway system under the influence of certain factors. In response to this situation, taking into account the core nonlinear characteristics and hysteresis and without traction transformer core of the B-H curve data model, a the traction transformer winding identification through parameter identification theory parameters to achieve traction transformer microcomputer protection. This method can effectively distinguish internal faults, external faults and magnetizing inrush current. The simulation results show that the correctness and feasibility of the method.)

2013年全国大学生电子设计大赛题目汇总 1.A到G为本科组题目 2.J，K，L为专科组题目 (The 2013 national undergraduate electronic design contest title 1. A to G for undergraduate group of subjects 2. J, K, L for specialty group of subjects )