片放大閱讀器 的英文怎麼說
中文拼音 [piānfàngdàyuèdòuqì]
片放大閱讀器
英文
x-ray magnifierareader x- 片 : 片構詞成分。
- 放 : releaseset freelet go
- 閱 : 動詞1. (看) read; go over 2. (檢閱) review; inspect 3. (經歷; 經過) experience; pass through
- 讀 : 讀名詞(語句中的停頓) a slight pause in reading
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
- 閱讀器 : aggregator
- 閱讀 : read
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Micrographics. reader - printers and enlargers microform printgers
縮微照相.縮微卡片閱讀器復制儀和放大儀復制儀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。
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