转动的地球仪 flash源码 运行环境: Win9x/NT/2000/XP/ 文件大小: 22 K 软件等级: ★★★ 软件类别: ...转动的地球仪 ::相关...

thes is veer good (ksmoutTool)

多功能数字钟设计 一、设计任务： （一）主体功能 用HDL设计一个多功能数字钟，包含以下主要功能： 1.计时及校时，时间可以24小时制或12小时制显示 2.日历：显示年月日星期，及设定设定功能 3.跑表：启动/停止/保持显示/清除 4.闹钟：设定闹钟时间，整点提示 -multifunctional design of a digital clock, design tasks : (1) the main function of HDL design with a multi-function digital clock, includes the following main functions : 1. metering and school, time can be 24 hours or 12 two-hour show. Calendar : Displays date weeks, Setting function and 3. stopwatch : start/stop/maintain Display/4 clearance. alarm clocks : Set an alarm time. suggested the whole point

在本论文中我们根据3GPP协议TR25.813,25.814，25.913和25.914的要求和参数，设计搭建了一个基于SC-FDMA的准静态系统级仿真器. -In this paper, we according to 3GPP agreement TR25.813, 25.814,25.913 and 25.914 of the requirements and parameters, designed to build an SC-FDMA-based quasi-static system-level simulator.

LPC2300以太网连接原理图.用LPC23系列开发以太网必备.-LPC2300 Ethernet connectivity schematics. LPC23 series with the development of Ethernet required.

opnet 关于网络建模的程序，C语言支持。-on network modeling procedures, C language support.

本分布式小区智能网络模型采用符合现场总线(Fieldbus)要求 的CAN技术，以带CAN总线端口的主控机和单元控制器CAN端接口构成的 CAN网络层，下层为由带RS485端口的住户采集器和单元控制器RS485端 接口构成了RS485网络层，向上则利用PC机连接CAN网络层，作为智能 化小区管理中心，从而基本实现智能小区管理、控制、报警、信息采 集和自我检测的功能。 本文从智能小区、现场总线、CAN技术到“CAN+RS485”双底层网 络模型的软、硬件研究，较为详细的介绍了其设计、调试运行和期间 各种问题的解决。 -The Distributed Intelligent Network model district in line with Fieldbus (Fieldbus) requirements CAN technologies to bring CAN bus port主控机and cell controller CAN-side interface consisting of CAN network layer, the lower the grounds with RS485 port Household acquisition and cell controller interface RS485 client constitutes a RS485 network layer, up modem to connect to the PC using the CAN network layer, as the Intelligent Community Management Center in order to realize the basic intelligent community management, control, alarm, information collection and self-testing function. This article from the Intelligent Community, Fieldbus, CAN technology to

对要做这个的朋友们有些帮助，可以看看参考一下-To do this for some friends to help, you can look at the reference

Sigma-Delta ADC 设计问题集，阐述了工业adc的原理及设计注意事项-Sigma-Delta ADC design problem sets, expounded the principles of industrial adc and Design Considerations

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

mx27开发板原理图，在原厂基础上作了很大修改，接近产品化，很有参考价值-mx27 sch