门禁系统

文中首先讨论了群签名算法和门禁系统的概念，分析了经典门禁系统的作用及其缺陷；

The first part includes an introduction on the concepts of Group Signature and ACS , and an analysis of the weakness of current ACS ;

基于FM的低压电力线门禁系统设计

Design of low voltage power-line access control system based on FM

基于ARM的指纹识别门禁系统设计

The Design of Fingerprint Recognition Safeguard Based on ARM

基于非接触式RF卡的门禁系统测试分析

Analysis on Measurements of the Access Control System based on Non-touched RF Card

基于RFID技术的无线门禁系统的设计

Design of Entrance Guard System Based on RFID Technology

基于RFID与人脸识别技术的智能门禁系统研究与设计

Research and Design of the Entrance Guard System Based on RFID and Face Recognition

TM卡智能电子锁与门禁系统研制

The developing of intelligent electronical lock using TM

NET环境下的C语言实现系统中涉及的主要类、方法，对指纹门禁系统的健壮性、安全性进行了分析。

Realize the main classes and methods of system are realized by C # language in . net environment , robustness and security are also analyzed .

包装内容：指纹安全门禁系统，安装转接环。带演示软件的的CD，操作说明。

Package content : Fingerprint security access system . mounting adapter ring . CD with demo software . operating instructions .

本文的内容是研究与文本无关说话人识别的算法和在DSP上实现该算法的门禁系统。

This paper studies on the text-independent speaker recognition algorithm and the access control system realized by the use of this algorithm on DSP .

RFID卡与门禁系统之间采用无线双工通讯方式进行数据传输，实现系统的快速响应。

RFID card and swipe used between duplex communication mode wireless data transmission , and realize a rapid response system .

本文共分为八个章节，分别作了门禁系统、智能IC卡技术和DSP技术的概述；

In the eight chapters of the paper , the summarizations of Access Control System Intelligence IC card technology and separately are separately set forth ;

公司的业务涉及门禁系统、消费POS系统、考勤系统等领域；

Our business range covers access control , POS system , time attendance system etc.

通过对数字无线电子终端中嵌入式软硬件平台，Linux设备驱动技术进行深入研究，并结合硬件原理图的设计，完成无线可视门禁系统平台的构建。

The construction of access platform was accomplished through the embedded soft and hardware platform in digital wireless electronic terminal and research in Linux device driver combined with design of hardware PCB .

为了在大型活动门禁系统中提高准确性和安全性，本文提出了一个采用RFID门票与身份证双重验证的门禁系统。

In order to enhance the verac1ity and security in the access control of great activities , we present a Access Control System with RFID tickets and personal ID here .

RKE安全性、智能型、便捷性有待提高，这推动了新型汽车门禁系统（PKE：passivekeylessentrysystem）的发展。

So the security , intelligence , convenience should be improved , which stimulates new vehicle access system ( passive keyless entry system , PKE ) research .

SIC卡是一种新型的特征信息载体，文章讨论SIC卡用于智能门禁系统的映象机制。

Smart Image Card ( SIC ) is a new kind of feature information carrier . This paper discusses the mapping mecha-nism in which SIC card is used in the intelligent entrance guard system .

由门禁系统防护楼梯（通往车站附近的eep）入口。

Entrances to the stairs leading to the EEP near station are protected by access control system .

采用本文提出的ANT传感网解决方案，并结合各式传感器，就能实际应用于如人员监测，门禁系统，智能家居和街道管理等项目中。

Using this ANT sensor network solution , combined with various types of sensors , it will actually be applied to many projects such as the officer monitoring , access control systems , intelligent home and neighborhood management .

随着技术的进步，门禁系统的发展逐渐由原来的钥匙开门，到ID卡的门禁管理，再到非接触式IC卡门禁系统，这样更加安全高效。

With the development of technology , door access systems based on contactless IC card gradually substitute for the original key to door and door access management based on the ID card , which is more secure and efficient .

从国际、国内研发的门禁系统的通讯方式来看局限于单门不通讯、联网RS232和RS485通讯。

AS speaking as the way of communication , the current system confine to single door system or networking system on the basis of RS485 or RS232 protocol .

随着通信技术的发展，UHF频段（290MHz-500MHz）的ASK接收芯片目前广泛应用于家庭保安、自动化控制系统、汽车门禁系统等领域。

With the development of communication technology , the ASK ( Amplitude Shift Key ) receiver , which works at 290MHz ~ 500MHz , is widely used in the field of domestic security , auto control and entrance guard systems .

传统的高性能自动指纹识别系统一般是基于PC平台的，而目前得到广泛使用的指纹门禁系统则大多基于嵌入式平台，因此对识别系统的实时性和可靠性提出了更高的要求。

Traditional high-performance automatic fingerprint identification systems are usually realized on the PC-based platforms ; however , most of fingerprint entrance control systems used in many places nowadays are based on embedding platform , and therefore have greater demand for system 's real-time ability and reliability .

介绍了一种基于KEELOQ技术的无线车库门禁系统。

This article introduces a RKE garage door system based on KEELOQ technology .

本文以门禁系统发展历程为背景，介绍了非接触式IC卡门禁系统的工作原理，并进行设计和制作，着重对门禁系统的控制器进行详细阐述和设计。

Based on the background of development access of access control system , the paper introduces the working principle , design and producing of access control system based on non-contact IC card , and focuses on the description and design of access system controller .

其中针对WiFi模块，提出了基于定时器的分时复用的传输方法和基于帧结构的音视频同步机制，实现可视门禁系统点对点的无线音视频实时传输。

Audio-video synchronization technique based frame structure and TDMA ( time division multiplex access ) based on timer were proposed aiming at WiFi module . The pointer to pointer wireless transmission of access system performed timely .

随着射频技术的发展，射频识别（RFID）系统以其可靠性高、存储量大、环境适应性强、识别速度快等突出优势逐步取代传统的识别系统，成为当今门禁系统应用中的主流。

With the rapid development of radio frequency technology , the radio frequency identification ( RFID ) system with its high reliability , large storage , environment adaptable and fast recognition gradually replace traditional identification systems , to be the mainstream in applications of entrance guard system .

因而ANNY产品广泛应用于门禁系统、楼宇对讲系统、感应门系统、烟感火警系统、盗警系统等各行各业的平开门上。

Thus ANNY products are widely used in access control systems , building Intercom systems , door sensors , Yangan fire alarm system , stealing police system Pingkai Men in all walks of life .

方案设计，提出了一种基于射频识别的新型汽车门禁系统。射频识别流程依次为，触发找钥匙，防碰撞，双向认证，钥匙位置判断，PKE功能执行。

Scheme , A scheme of vehicle access based on RFID is presented , with its flow as follows , trigger to search keys , anti-collision , mutual authentication , to determinate the key location , execute the PKE function .

基于接触式IC卡的电子门禁系统设计

Design of a Door-entry Control System Based on Contact Intelligent Card