rfid reader 中文意思是什麼
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Multi - protocol rfid reader design and manufacturing
讀卡機之研發與製造 -
The main content of the project contains the status of the rfid application research, the principle of the signal process and coding of the rfid application system, the principle and design of the rfid security system, the principle and design of the rfid card reader device, the design and implementation of the embedded ethernet communication module and it ' s key technology, the analysis and the implementation of the eatery rfid application system, the general scheme of the project and the synthesis and the prospect of the research
課題研究的主要內容如下： rfid應用研究現狀，射頻識別應用系統的信號處理及編碼技術，射頻識別應用系統的安全原理及設計，射頻識別應用系統的讀寫設備設計原理及應用開發，嵌入式以太網通信模塊的設計及關鍵技術，食堂射頻信息管理系統應用設計，食堂射頻識別應用系統的總體設計與課題總結與展望。 -
Due to the data transmission characteristics between tags and reader, space division multiple access ( sdma ), frequency division multiple access ( fdma ) and code division multiple access ( cdma ) are applied in a limited way in rfid system. therefore, time division multiple ( tdma ) has been generally accepted. according to tdma, there are aloha protocol, s - aloha, binary - tree protocol, clipped binary - tree protocol and others
解決這個問題必須要用到多路存取法，針對射頻識別系統中閱讀器與應答器之間的通信特點，空分多路法、頻分多路法、碼分多路法在rfid系統中應用都受到一定的限制，只能應用到一些特定的場合，一般採用時分多路法，按照時分多路法的演算法有aloha演算法、時隙aloha演算法、二進制樹型搜索演算法、修剪枝的二進制樹型搜索演算法等防碰撞演算法協議，分析了各自特點以及存在的缺點。 -
Rfid technology is based on the simple idea that an electronic circuit in an unpowered, or “ passive, ” tag ? which requires no batteries or maintenance ? can be intermittently powered from a distance by a reader device that broadcasts energy to it
射頻識別技術的基本原理很簡單，只是把電路裝在未通電（或稱被動式）的標簽上，既不需要電池，也無需維修。 -
For security systems there is also going to be a huge demand for rfid - loaded security gates and self - check reader stations
在保安系統方面，裝有rfid系統的保安閘及自助結賬閱讀機需求很大。 -
Finally, conclusions are that the algorithm ' s efficency of utilization is higher, requires much less slots, and veracity is better than others. so it can resolve those collisions much better that multiple tags are transmitting data at the same time within reader ' s scope. it can promote rfid applications in more fields
最後總結得出結論：在解決碰撞過程中，動態二進制樹型搜索演算法與其他幾種演算法相比，可以使系統的吞吐率及通道的利用率更高、需要的時隙更少、準確率更高、能夠更好地解決了rfid系統中的在閱讀器作用范圍內有多個應答器應答要求通信而發生的碰撞問題，有助於推動射頻識別技術更廣泛的應用。 -
The research contents of this paper includes as follows : firstly, design a new type reader based on ti s6700 reader ic and try to enhance the reading distance through adding power amplifier ; secondly, adopt the idea of gpio simulation to produce spi timings to drive s6700. secondly, overcome the shortcoming of general mcu spi port ; thirdly, design the rs232 / rs485 full duplex conversion module, mmi interface in the system ; fourthly, analyze the rfid system communication protocol iso15693 and find out the working processes and realization of the instruction ; lastly, discuss the communication safety and accidental factors including the checkout and collision design, illustrate the realization of crc and anti - collision arithmetic theory
本論文的主要研究內容包括: （一）設計基於s6700閱讀器晶元的新型閱讀器，通過使用對中高頻閱讀器外加功率放大模塊的方法，實現較遠距離通信。 （二）採用單片機通用口三線模擬的方法模擬通用spi口時序，克服其不可位操作的缺點，實現對s6700的驅動。 （三）在rfid系統中集成設計了rs232 / rs485通訊模塊、液晶顯示模塊等，著重說明了其軟硬體實現方法。 -
The author bring forward the devise scheme to design the new type reader based on the ti s6700 reader ic while getting full understanding of the relevant theories and fundamentals about the rfid system, thus to realize the data collection, storage, display and transmission across a long way and enhance the reading distance through adding power amplifier and improving the antenna design
本文作者在對rfid系統的相關理論和技術深入研究的基礎上，提出採用tis6700閱讀器晶元集成化設計新型閱讀器的方案，實現數據採集、存儲、顯示和有效遠距離傳輸，並通過在信號發射埠增加功率放大模塊的方法提高閱讀器的有效閱讀距離。 -
Design and development of the reader of the rfid system
系統中識讀器的設計與研究 -
The system uses s3c44box processor which is suitable in low cost and dissppation and main clock can reach 130mips, so the system can increase the data processing greatly, matching the data transport demanded from the rfid label to the rfid reader
系統選取適合用於對價位和功耗要求較高的、主頻高達130mips的s3c44b0x作為處理器，大大增強了數據的處理速度，適應不斷增加的rfid標簽和讀卡器之間數據傳遞量。 -
During the automatic data capture process, the epc number is read by an rfid reader via electromagnetic waves and the number is passed on to the epc middleware
在自動數據收集過程中，射頻識別閱讀機通過無線電波讀取電子產品碼編號后，將數據傳輸至電子產品碼中介軟體。 -
The reader not only can recieve the data from the rfid label but also can deal with the data which have been received. meanwhile the system have the good communication function that makes us realize the auto identified and remoted controlled from the extend module
可直接接收來自電子標簽的數據信號，對接收的數據進行相關的處理，同時因為系統有著較強的通信功能，可以通過擴展模塊實現自動識別和遠程實時的監控及管理。 -
Superfluous commands which go beyond the framesize between reader and tags are avoided. further more, the protocol process module in dsp of a rfid system according to epc gen2 has been designed based on the above work. and then the tag analog software for testing the conformance especially the anti - collision process for reader is completed
在以上研究的基礎上，進行了基於epcgen2標準的閱讀器的開發工作，與同事合作設計了dsp中的協議處理模塊，並獨立設計和編寫了標簽模擬軟體中的協議處理模塊，對閱讀器的協議一致性，尤其是防碰撞流程進行測試。 -
Mg9000 is a serial strong functions mobile computer intergrated rfid reader and barcode scanner. it support multi - protocol including epc class0 class1 gen1 and gen2 protocol. in addition, its rugged design maximizes uptime, lowering your total cost of ownership, while its 802. 11 connectivity ensures quick integration into your existing it infrastructure
Mg9000 - g是一臺具有rfid條碼技術等功能強大的掌上電腦，它支持目前十分流行的rfid無線識別技術，支持epc class0和class1 gen1和gen2標準。 -
As the most important advantage of rfid system is non - contact identification, thus the key component is the antenna, which is performed as emit or receive device to realize data communication between the tag and the reader
由於rfid系統的最大特點是非接觸識別， rfid標簽與閱讀器實現數據通信需要利用天線作為輻射或接收無線電波的裝置，因此在rfid系統中天線起著至關重要的作用。
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