[其他] 21ic下载_带通滤波器电路multisim文件
该文件为带通滤波器的Multisim仿真文件，中心截止频率为1KHZ，Q值为10
This file is a Multisim simulation file of band-pass filter, with a central cut-off frequency of 1KHZ and a Q value of 10. (2019-06-27, MultiPlatform, 76KB, 下载4次)
[VHDL/FPGA/Verilog] electronic-code-lock
电子密码锁，密钥容量 > 60000。便于预置、更换密码，使用方便。连续三次输入密码错误即产生报警信号。报警信号有两种：声光报警、向物业管理中心发出报警信号（联网）。设有主电源和备用电池。备用电池在主电源断电时自动快速接入。
Electronic locks, key capacity> 60000. Easy preset, change your password, easy-to-use. Enter the wrong password three times in a row that generates an alarm signal. Alarm signal in two ways: sound and light alarm, an alarm signal to the property management center (networking). A main power supply and battery backup. Backup battery automatically when the main power outage quick access. (2013-03-22, MultiPlatform, 2619KB, 下载3次)
[汇编语言] jisuanjizuchengyuanli
理论：学完“电工电子学”、“数字逻辑”、“汇编语言程序设计”、和“计算机组成原理”课程，掌握计算机组成原理实验平台的使用。
实践：计算机学院科学系实验中心提供计算机、实验的软件、硬件平台，在实验中心硬件平台验证设计结果。
Theory: completion of " Electrical and Electronic Engineering" , " Digital Logic" , " Assembly Language Programming" , and " Computer Organization" course, master computer organization using the experimental platform. Practice: Computer Science, Computer Science Department of Experimental Center, experimental software, hardware platform, the experimental results validate the design center of the hardware platform. (2011-01-18, MultiPlatform, 54KB, 下载1次)
[matlab编程] we
七单元天线阵DOA估计
clear clc
d=1 天线阵元的间距
lma=2 信号中心波长
q1=1*pi/4 q2=1*pi/3 q3=1*pi/6 q4=3*pi/4 四输入信号的方向
A1=[exp(-2*pi*j*d*[0:6]*cos(q1)/lma)] 求阵因子
A2=[exp(-2*pi*j*d*[0:6]*cos(q2)/lma)]
A3=[exp(-2*pi*j*d*[0:6]*cos(q3)/lma)]
A4=[exp(-2*pi*j*d*[0:6]*cos(q4)/lma)]
A=[A1,A2,A3,A4] 得出A矩阵
n=1:1900
v1=.015 四信号的频率
v2=.05
v3=.02
v4=.035
d=[1.3*cos(v1*n) 1*sin(v2
we (2010-05-06, MultiPlatform, 2KB, 下载66次)
[P2P编程] a_study_on_retrieval_method_in_different_p2p_netwo
根据p2p网络的拓扑结构进行分类研究,着重针对中心化拓扑、全分布式非结构化拓扑、半分布式拓扑和全分布式拓扑4种结构及其检索机制进行概述、 综合分析和比较研究，并提出p2p系统目前面临的主要问题及其发展趋势。
According to p2p network topology to classify research center that focuses on topology, the topology of distributed unstructured, semi-distributed topology and all four kinds of distributed topology structure and retrieval mechanisms outlined in the comprehensive analysis and comparison of research and p2p system to the main issues currently facing and its development trend. (2009-05-29, MultiPlatform, 109KB, 下载9次)
[嵌入式/单片机/硬件编程] Enbededsystem
随着计算机技术和产品对其它行业的广泛渗透，以应用为中心的分类方法变得更为切合实际，也就是按计算机的嵌入式应用和非嵌入式应用将其分为嵌入式计算机和通用计算机。
With the computer technology and products to a wide range of other industries penetration, application-centric classification has become more realistic, that is, according to a computer embedded applications and non-embedded applications will be divided into general-purpose computers, embedded computers and . (2008-11-20, MultiPlatform, 895KB, 下载1次)
[其他] DatabaseSystemDesign
湖南大学的数据库考试试卷，考试中心的5套。有部分题目有答案，可以作为考前参考。
Hunan University examination papers database, the examination center 5 sets. Some topics have the answer, can be used as test reference. (2008-11-13, MultiPlatform, 227KB, 下载5次)
[通讯编程] CMPPAPI
华为cmpp接口API说明
短消息中心（SMC）和手机（MS）之间的联系，通过PLMN网，按照有关协议进行联系。而扩展短消息实体（ESME）和短消息中心之间的联系，ETSI规范中另有相关规定，GSM 03.39 SMPP协议等。ESME和SMSC之间通讯协议一般是
TCPIP协议，上层协议可以是SMPP或者其他扩展协议。例如中国移动的CMPP协议中国联通的SGIP协议，中国电信的SMGP协议等。华为公司的M900INtess-SMAX II系统提供的SMPP协议，对GSM03.39 SMPP协议中的某些局限进行功能上的扩展，支持SMPP协议定义的所有功能。
Huawei cmpp Description Interface API Short Message Center (SMC) and mobile phone (MS) the link between the network through the PLMN, in accordance with the agreement to contact. Expand Short Message Entity (ESME) and Short Message Service Center, the links between, ETSI specification otherwise the relevant provisions, GSM 03.39 SMPP agreement. Esme and the communication protocol between SMSC is generally TCPIP agreement, the upper SMPP agreement may be extended or other agreement. For example, China Mobile China Unicom CMPP agreement SGIP agreement, China Telecom SMGP agreement. Huawei (2008-05-14, MultiPlatform, 118KB, 下载13次)
[GIS/地图编程] cqgongjiaogis
重庆市渝中区公交管理、查询系统是集数据、地图及网络于一体的现代公交综合服务系统。该系统下分为两个子系统，一是用作公交公司后台管理，其主要功能包括站点、线路的属性信息的维护和空间地理位置的查询，公司职工的管理，车辆管理，信息发布，投诉建议的处理以及地图发布等操作。另一个是基于网络的公交查询子系统，其主要功能包括地理对象的图上定位，通过输入信息、缓冲区分析、最短路径分析等腰方式和全图、放大、缩小、自由缩放、漫游等方法对站点、线路信息、政府机构、企事业单位及其他地物信息进行查询。能过查询子系统，公交车乘客还可以查看有关公交公司的新闻以及对其服务进行反馈。真正达到一切为顾客着想的管理机制。
err (2008-04-20, MultiPlatform, 9677KB, 下载82次)
[百货/超市行业] PJShop
网上购物商城，它属于BtoC电子商务网站平台，它能够直接绕过中介（如批发商、销售商或经销商）建立与客户的直接关系。该网站可以为用户提供商品的详细信息，用户可以在线购买商品，确定镇定的订单；同时提供关于商品或电子零销商的选择建议等等。网上购物平台使得人们的购买变的更方便、更加容易。
前台功能模块有： 热销商品 订单管理 购物车 结算中心 注册会员 用户登录 顾客留言
Online shopping mall, it belongs to BtoC e-commerce website platform, it can directly bypass the intermediary (such as wholesalers, vendors or distributors) establish direct relations with customers. The site can provide users with detailed product information, users can purchase products online to determine the stabilization orders at the same time to provide information on goods or electronics retailers the choice of the recommendations and so on. Online shopping platform allows people to buy become more convenient and easier. Front function modules include: order management hot commodities clearing house to Cart Member Login Register Customer Feedback (2008-03-27, MultiPlatform, 543KB, 下载19次)
[SQL Server] csharp_and_datebase
一个基于c#.net和sql server平台下的网站管理系统源码以及系统设计分析,包括知道,博客,新闻,下载等方案
Based on the c#. Net and sql server platform source website management system and the system design and analysis, including the know, blog, news, download programs, etc. (2008-01-23, MultiPlatform, 363KB, 下载15次)
[驱动编程] Test-drivenn_development
测试驱动开发(TDD)以测试作为开发过程的中心，它要求在编写任何产品代码之前，
首先编写用于定义产品代码行为的测试，而编写的产品代码又要以使测试通过为目的。
测试驱动开发要求测试可以完全自动化的运行，在对代码进行重构前后必须运行测试。这是一种革命性的开发方法，
能够造就简单、清晰、高质量的代码。
test-driven development (TDD) to test as the center of the development process, It requires the preparation of any product code, first used in the preparation of product code definition of the test, and the preparation of the products we need to make code adopted for the purpose of testing. Test-driven development requirements can be fully automated test the operation of the code of conduct must be running before and after Reconstruction tests. This is a revolutionary development method to create a simple, clear, high-quality code. (2007-06-15, MultiPlatform, 6828KB, 下载26次)
[单片机开发] 200558164117
在凌阳科技教育推广中心的兴趣产品智能机器人的基础上，配合超声波传感器的使用，使机器人具有障碍检测功能。本文对这个避障机器人的软硬件制作进行介绍
in Sunplus Technology Education Center's interest in intelligent robot products on the basis of with the use of ultrasonic sensors, the robot with obstacle detection function. In this paper, the robot obstacle avoidance software for the production of presentation (2007-05-30, MultiPlatform, 1151KB, 下载20次)
[Windows编程] StormPredator
STORMPREDATOR是作者在气象图解领域积累多年经验的结晶。公司的创立者ANTHONY WATTS，不仅拥有25年气象报道经验，而且在1983年，他还是第一个负责电视播放的实时天气图解显示系统。从那之后，无数的的电视台都开始使用由他设计的天气播放显示设备来播放晚间天气新闻，诸如WSI和ACCU-WEATHER公司也依赖于该系统。而STORMPREDATOR也正是这些经验的成果。
STORMPREDATOR writer in the field of meteorological graphic accumulated years of experience in crystallization. Company founder ANTHONY WATTS, not only has reported 25 meteorological experience, but in 1983, he was the first one responsible for the real-time broadcast television weather graphic display system. Since then, numerous television stations have begun to use his design showed that the weather broadcast equipment to broadcast the evening weather news, such as WSI and ACCU- WEATHER companies dependent on the system. And STORMPREDATOR It is the outcome of those experiences. (2006-09-25, MultiPlatform, 599KB, 下载15次)
[C#编程] Sitesites
一套轻量级的网站模板，对搜索引擎的极度优化，全部页面通过XHTML v1.0 Strict验证，CSS通过CSS v2.1验证，结构与表现的彻底分离，对非IE浏览器(FireFox, Opera等)的完美兼容，与XHTML v1.0 Strict兼容的UBB代码实现，强大的导航菜单管理系统，自带新闻发布系统，自带留言本系统，自带友情链接系统，附带用户自建页面的模板，能极为方便地将已有页面加入导航。
a lightweight web site templates, search engine optimization extreme, All pages through XHTML Strict certification v1.0, v2.1 CSS CSS through certification, Structure and performance of the complete separation of the non-IE browsers (Firefox, Opera, etc.) the perfect compatibility with v1.0 Strict XHTML compatible UBB code to achieve, powerful navigation menu management system, own news release system and carrying messages of the system and carrying Links system, fringe pages of user-created templates can very easy to have joined the navigation pages. (2006-06-28, MultiPlatform, 364KB, 下载71次)
[企业管理] 新月企业客户信收集系统ae
一个企业客户信息收集管理系统.软件下载 源码下载 站长教程 建站资讯 素材下载┆
┆站长论坛 免费服务 虚拟主机 域名注册 免费代码┆
┆网站评测 人才交流 酷站赏析 业界新闻 程序发布
an enterprise customer information collection management system. Download source software download guide the establishment of the station chief information material downloaded free service station Forum virtual mainframe code domain name registration free Evaluating talent exchange website Kuzhan Appreciation Industry News Release (2005-11-21, MultiPlatform, 457KB, 下载8次)
[Java编程] 悠幽漫舞新闻系统
本系统开发环境是:Eclipse 2.1 + Tomcat5.5 + jdk1.5.0 + Mysql 4.0.16 在win2k pro 和win2k Ad 上运行通过. Velocity News 采用Java模板技术Velocity + Servlet + JavaBean搭建.基于MVC构架. 以Velocity技术实现表现层 以Servlet和web.xml为控制层 以JavaBean做为MODEL层.
the system development environment are : Eclipse 2.1 Tomcat5.5 jdk1.5.0 Mysql 4.0.16 in win2k pro and win2k Ad run through. Velocity News Java Servlet Velocity template technology JavaBean structures. Based on the MVC architecture. Velocity technology to to achieve performance layer Servlet and web.xml for the control layer to layer JavaBean as MODEL. (2005-06-22, MultiPlatform, 2388KB, 下载64次)
[电子政务应用] EMall10
中国工商网电子商务购物中心系统EMall 软件介绍： 完全公开源代码,并无任何许可限制,特别基于大型电子商务网站的系统开发 Microsoft SQL Server 2000后台数据库，充分应用了存储过程的巨大功效 基于类模块的扩展数据访问能力支持任何类型的大型数据库
China Business Network e-commerce shopping EMall system software introduced : a completely open-source, no licensing restrictions, in particular for large-scale e-commerce site development system for Microsoft SQL Server 2000 database background, the use of the storage process of the tremendous effect on the Class of Extended Data Module visit the capability to support any type of large databases (2005-03-28, MultiPlatform, 923KB, 下载54次)
[嵌入式/单片机/硬件编程] 嵌入式系编开发圣经_0
本书通过介绍嵌入式领域的相关知识，包括新 一代Soc、热门的Rtos及跨平台的移动Java，引导读者了解并彻底分析了解通讯、信息、娱乐于一身的嵌入式系统技术。
the book by introducing the field of embedded knowledge, including a new generation of Soc, the hottest Rtos and cross-platform mobile Java, to guide readers to understand and thorough analysis understanding of communications, information and entertainment in an embedded system technology. (2005-03-25, MultiPlatform, 12891KB, 下载57次)
[源码/资料] NXIT.net新闻系统免费版源码下载
程序设计:Flyangel 用到了vb.net c# asp.net xml等 最大特别是核心功能组件化. 特色: 强大的后台管理功能 支持二级分类 支持匿名投稿 超强用户权限设置
Programming: Flyangel used vb.net c# asp.net xml and so on most
greatly specially is the core function module Characteristic: The
formidable backstage management function anonymous supports two levels
of classified supports to submit a piece of writing for publication
the ultra strong user jurisdiction to establish (2004-06-28, MultiPlatform, 1305KB, 下载198次)