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电子密码锁论文的参考文献

参考文献1

【1】阎石.数字电子技术(第五版):高等教育出版社,2009

【2】王孝俭、邓胜全.数字电子技术实验指导书:西北农林科技大学,2007

【3】唐亚楠.数字电子技术同步辅导:中国矿业大学出版社,2009

【4】邱关源.电路(第五版):高等教育出版社,2008

【5】华成英、童诗白.模拟电子技术基础[M].第四版:高等教育出版社,2006

参考文献2

[1]《数字电子技术基础》,伍时和主编,清华大学出版社

[2]《一种电子密码锁的实现》,杨茂涛主编,福建电脑2004

[3]《数字电路逻辑设计》(第二版),王硫银主编,高等教育出版社

[4]《555时基电路原理、设计与应用》,叶桂娟主编,电子工业出版社

[5]《数字电子技术基础》(第四版),阎石主编,高等教育出版社1997

[6]《新型电子密码锁的设计》,李明喜主编,机电产品开发与创新2004

[7]《电子技术基础(数字部分)》(第五版),康华光主编,高等教育出版社

[8]《模拟电子技术基础》(第三版),童诗白华成英主编,高等教育出版社

[9]《电子线路设计·实验·测试》(第三版),谢自美主编,华中科技大学出版社

参考文献3

[1]周润景张丽娜丁莉.基于PROTEUS的电路及单片机设计与仿真(第二版).北京航天航空大学出版社

[2]李朝清.单片机原理及接口技术(第三版).北京航天航空大学出版社.

[3]周兴华.手把手教你学单片机.北京航天航空大学出版社.

[4]张文利.微机原理及单片机接口技术.中国科学技术大学出版社

参考文献

[1].阎石数字电路技术基础[M].高等教育出版社,2005

[2].许琦.基于FPGA的电子密码锁的设计[J].科技信息,2006

[3].李连华.基于FPGA的电子密码锁设计[J].中国科技信息,2006

[4].童诗白华成英模拟电子技术基础[M].高等教育出版社,2006

141 评论

一只泡芙er

The so-called Bluetooth (Bluetooth) technology, is actually a short-range radio technology, the use of "Bluetooth" technology, which can effectively simplify the palm-sized PCs, notebook computers and mobile phones and other mobile phones for communication between terminal equipment can also be successfully These simplify the equipment and Internet communications between the Internet, so that these modern communication equipment and data transmission between the Internet more quickly and efficiently, in order to expand the wireless communications path. Bluetooth to adopt decentralized network structure, as well as fast frequency hopping and short-packet technology to support point-to-point and point-to-multipoint communication, common in the global ISM (ie industry, scientific, medical) band. The data rate of 1Mbps. Using time division duplex transmission scheme to achieve full-duplex transmission.===========所谓蓝牙(Bluetooth)技术,实际上是一种短距离无线电技术,利用"蓝牙"技术,能够有效地简化掌上电脑、笔记本电脑和移动电话手机等移动通信终端设备之间的通信,也能够成功地简化以上这些设备与因特网Internet之间的通信,从而使这些现代通信设备与因特网之间的数据传输变得更加迅速高效,为无线通信拓宽道路。蓝牙采用分散式网络结构以及快跳频和短包技术,支持点对点及点对多点通信,工作在全球通用的 ISM(即工业、科学、医学)频段。其数据速率为1Mbps。采用时分双工传输方案实现全双工传输。 =======蓝牙的英文名称是bluetooth,是1998年5月由爱立信、IBM、英特尔、诺基亚和东芝等5家公司联合制定的短距离无线通信技术标准,其目的是实现最高数据传输速率1Mb/s(有效传输速率是721kb/s)、最大传输距离为10m的无线通信。Bluetooth原为欧洲中世纪的丹麦国王Harald Ⅱ的名字,他为统一四分五裂的瑞典、芬兰和丹麦立下了不朽的功劳,以此命名即将成为全球通用的无线技术,也许另有含义。 最早提出蓝牙概念的是瑞典的爱立信移动通信公司。它是在一次为移动电话及电话附件之间寻找一种低功耗、低成本的无线接口时萌发出这样一种创意的。作为无线接口,有如下要求: •对其工作的频率范围、技术造价、容量和接口尺寸大小的预先规定,目的是保证该技术具有所有线缆连接所没有的优势。 •无线单元的尺寸和功耗必须足够小,目的是可安装进许多便携设备中。 •支持语音和数据通信 •具有全球通用性 Bluetooth is the English name of bluetooth, it is in May 1998 by Ericsson, IBM, Intel, Nokia and Toshiba jointly developed by five companies short-range wireless communication technology standards, the aim is to achieve the highest data transfer rate of 1Mb / s (effective transfer rate is 721kb / s), the maximum transmission distance of 10m of wireless communications. Bluetooth was the king of Denmark, the Middle Ages in Europe the name of Harald Ⅱ, his uniform torn Sweden, Finland and Denmark have made a monumental contribution, as will soon become a global name of the wireless technology, may have meaning. The concept of the first Bluetooth is a Swedish company Ericsson Mobile Communications. It is the first time for mobile phones and telephone between the Annex to find a low-power, low-cost wireless interface when the germination of such a creative. As a wireless interface, the following requirements: • the frequency range of its work, technology cost, capacity and interface of a predetermined size, the purpose is to ensure that the technology to connect all the cables do not have advantages. • wireless cell size and power consumption must be small enough, the purpose is to be installed into many portable devices. • Support for voice and data communications • a global common-------希望可以符合您的要求哦----

344 评论

北冰洋的海豚

蓝牙技术是一种最基本的蓝牙无线短程通讯技术旨在取代电缆连接便携式和/或固定装置 同时保持高水平的安全. 蓝牙技术的主要特点是稳健、低功耗、低成本. 蓝牙规格统一界定为多种结构连接器、互相沟通. 蓝牙技术已经达到全球接受这种装置,使得任何蓝牙,几乎每一个国家, 可连接其它蓝牙装置,使靠近. 蓝牙使得电子装置连接和沟通,通过无线短程、AdHoc网络称为piconets. 每个器件可同时与多达七个其它装置在一微微网. 每个装置还可以同时属于多个piconets. piconets建立动态和自动装置,使进出蓝芽无线距离. 蓝芽无线技术实力是一个根本的能力,同时处理数据和语音传输两种. 这使用户享受各种创新解决诸如免提耳机语音通话 印刷及传真能力,同步的PDA、笔记本、手机应用等等. ●版本版本规格核心+增强数据率(尼古丁损伤),通过11,2004•版,通过11 2003规格化妆跟其他无线标准、 蓝牙无线连接两种规格使生产商和应用层层定义 支持数据和语音应用. 蓝牙技术运转谱牌工业、科学和医学(主义)在至千兆赫频段, 利用扩频、跳频、全双工信号时象征率啤酒花1600/ 千兆赫的ISM频段可在大多数国家和牌. 蓝牙技术干扰的自适应跳频(自适应跳频)的能力是为了减少干扰无线技术之间共享吉赫 谱. 自适应跳频频谱工程利用现有的频率. 这是由在光谱检测等设备,避免它们所用频率. 自适应跳频这使得传输的频谱效率, 为用户提供更多的表现就算用其他技术随着蓝牙技术. 啤酒花之间的信号频率179兆赫回放给予高度干扰免疫力. Bluetooth BasicsBluetooth wireless technology is a short-range communications technology intended to replace the cables connecting portable and/or fixed devices while maintaining high levels of security. The key features of Bluetooth technology are robustness, low power, and low cost. The Bluetooth specification defines a uniform structure for a wide range of devices to connect and communicate with each other. Bluetooth technology has achieved global acceptance such that any Bluetooth enabled device, almost everywhere in the world, can connect to other Bluetooth enabled devices in proximity. Bluetooth enabled electronic devices connect and communicate wirelessly through short-range, ad hoc networks known as piconets. Each device can simultaneously communicate with up to seven other devices within a single piconet. Each device can also belong to several piconets simultaneously. Piconets are established dynamically and automatically as Bluetooth enabled devices enter and leave radio fundamental Bluetooth wireless technology strength is the ability to simultaneously handle both data and voice transmissions. This enables users to enjoy variety of innovative solutions such as a hands-free headset for voice calls, printing and fax capabilities, and synchronizing PDA, laptop, and mobile phone applications to name a Specification Versions• Version + Enhanced Data Rate (EDR), adopted November, 2004 • Version , adopted November, 2003 Specification Make-UpUnlike many other wireless standards, the Bluetooth wireless specification gives product developers both link layer and application layer definitions, which supports data and voice technology operates in the unlicensed industrial, scientific and medical (ISM) band at to GHz, using a spread spectrum, frequency hopping, full-duplex signal at a nominal rate of 1600 hops/sec. The GHz ISM band is available and unlicensed in most technology’s adaptive frequency hopping (AFH) capability was designed to reduce interference between wireless technologies sharing the GHz spectrum. AFH works within the spectrum to take advantage of the available frequency. This is done by detecting other devices in the spectrum and avoiding the frequencies they are using. This adaptive hopping allows for more efficient transmission within the spectrum, providing users with greater performance even if using other technologies along with Bluetooth technology. The signal hops among 79 frequencies at 1 MHz intervals to give a high degree of interference immunity.

306 评论

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