地图符号系统的设计与实现的设计方案，设计并实现了一套地图符号系统，提出了线状符号的附属属性设置实现，并采用了程序符号的思想实现一些相对特殊的如沙丘、河流、沼泽等...

操作系统设计说明第三版。英语，经典的操作系统的设计说明书籍-third edition of the operating system design. English, the classic operating system design note books

华为 Quidway 系列多协议路由器，支持 PPP、FR、X25、SLIP、HDLC 等网络协议，用户可通过各种广域网线路接入 Internet 及互联互访。 路由器内置安全防火墙、NAT、RADIUS 安全认证，以及 CALL BACK 等多项互联安全防护功能；并通过 CA 认证协议的验证和 IPSec 隧道协议，在 Internet 上构建安全可靠的网络通道，基于硬件的数据加密，将保密数据加密后在隧道上传输，加密数据有可靠的保密性但牺牲了效率；非保密数据可以通过一般性安全处理在隧道上传输，保证较高的转发速率。硬件加密的算法采用专门的芯片（经过国家相关部门批准）进行加密，密钥长度大于 128 位，并提供高强度的一次一密功能。配合完全自主知识产权的软硬件平台，提供网络的安全互联和数据的安全传输的安全解决方案。 而 "备份中心"的可靠性备份解决方案，实现多种线路之间的任意备份和业务分担，为网络提供业界最坚固的保护屏障，保证网络的可靠运行。-Huawei Quidway series of multi-protocol routers to support PPP, FR, X25, SLIP, HDLC and other network protocols, users can through various WAN lines and Internet access to the Internet visits. Built-in security firewall router, NAT, RADIUS authentication, and a number of other CALL BACK Internet security protection functions; And through CA and validation of the agreement IPSec agreement on the Internet to establish a secure and reliable network access, hardware-based data encryption, data encryption confidentiality the tunnels on the Tunnel, a reliable data encryptio

电阻炉温度控制系统 原理图 实验方案等 测试通过-Resistance furnace temperature control system schematic experimental test programs

华为的内部七号信令培训教材 以及ppt，多媒体教程，学习SS7做好的资料，简单清楚，附带本人的学习总结-Huawei

嵌入式系统设计应用-use

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基于FPGA的PCM编码器与解码器的设计-about fpga and pcm

各种存储器的测试方法，共5篇文章，中文来自期刊网，英文来自IEEE，均是付费下载的-A variety of memory tests, a total of five articles from the Journal Network in Chinese and English from the IEEE, are paid to download

基于直线的几何不变性标定摄像机参数 Based on a straight-line camera calibration parameters of the geometric invariant-Based on a straight-line camera calibration parameters of the geometric invariant

房产售楼CRM系统是以房地产销售业务为主线，集成了客户关系管理的先进售楼理念，全面管理从销售前期准备、销售业务管理、后期收款、服务及各种综合统计分析在内的全部销售业务过程。-property sales CRM system based on real estate sales business main line, integrated customer relationship management of advanced sales concepts and the overall management of preparations from sales, sales management, the late receivables, services and various comprehensive statistical analysis of all the sales process.