時元保密器 的英文怎麼說
中文拼音 [shíyuánbǎomìqì]
時元保密器
英文
time element scrambler- 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
- 保 : Ⅰ動詞1 （保衛; 保護） defend; protect 2 （保持） keep; preserve; maintain in good condition 3 （...
- 密 : Ⅰ名詞1 （秘密） secret 2 [紡織] （密度） density 3 （姓氏） a surname Ⅱ形容詞1 （距離近; 空隙小）...
- 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
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In those studying works, nano - composites of polymer were prepared for electromagnetic screening and transparent in military electronic units 、 apparatus 、 weapon equipments, electronic cabinets, to keep communications secrets for important offices 、 laboratory, designing technologic routes of inorganic nanoparticle / nano - composites of polymer, nano - stannum oxide, nano - indium stannum oxide were prepared
本課題的研究針對軍用電子元器件、部件、武器裝備、方艙、通信保密、重要辦公室、實驗室需要透明同時防電磁波泄露的需求，採取無機/高分子納米復合技術路線，研製納米氧化錫、氧化銦錫/丙烯酸酯類聚合物納米復合材料。It has been playing an important role in equipping all kinds of arms and services for campaigns, tactical exercises and emergent actions etc. based on the detailed analysis of the exchange ' s architecture and implementing, this thesis points out some disadvantages of the device, such as too many absolute components, not very high enough reliability and security, very large size and weight, operating and maintaining difficultly. considering low power requirement and man - machine interface optimizing design at the same time, the thesis come up with an integrated design scheme to the previous device based on " mcu + cpld / fpga architecture " : ( 1 ) signal frequency dividing, timing frequency producing, 20 customers " led states controlling are implemented in cpld ; ( 2 ) decoding, latching data and controlling signals are implemented in cpld by bus interface between mcu and cpld ; ( 3 ) chip selecting principles and mcu idle mode design are completed under the consideration of low power requirement ; ( 4 ) operation by chinese lcd menus is adopted in the man - machine interface
本項目以該交換機為研究對象，在詳細分析原設備的系統結構和功能實現方式的基礎上，指出該機型在使用過程中存在技術相對陳舊、分立元件過多、可靠性和保密性不夠、體積大、重量大、維修困難等問題，同時結合系統的低功耗需求和優化人機介面設計，本文提出基於「單片機+ cpld fpga體系結構」的集成化設計方案：在cpld中實現信號音分頻和計時頻率生成電路、 20路用戶led狀態控制電路； cpld與單片機以總線介面方式實現譯碼、數據和控制信號鎖存功能的vhdl設計；基於低功耗設計的器件選型方案和單片機待機模式設計；人機介面的lcd菜單操作方式。
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