通道切換電路 的英文怎麼說

中文拼音 [tōngdàoqiēhuàndiànlù]
通道切換電路 英文
channel switching circuit
  • 通 : 通量詞（用於動作）
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 切 : 切Ⅰ動詞1 （合; 符合） correspond to; be close to 2 （用在反切后頭 表示前兩個字是注音用的反切）見 ...
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
  • 電路 : [訊] circuit （ckt）; electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. After elaborating the principle of an 802. lib key modulation scheme - complementary code keying ( cck ), this paper proposes and realizes a hardware circuit solution of 802. 11b pcmcia wlan interface card, which can reliably offer a maximal 11mbps data rate and freely switch within 14 working channels in 2. 4ghz frequency band

    接著在詳細闡述了802 . 11b協議核心調制技術?互補碼鍵控（ cck ）的原理的基礎上，本文提出並實現了一種峰值傳輸速率為11mbps的802 . 11bpcmcia高速無線網卡的硬體電路設計方案，在2 . 4ghz頻段該網卡可在14個工作通道上自動切換，實現高速突發數據的可靠傳輸。
  2. This paper first begin with the connotation of virtual instrument technology, study and discuss the criterion and the working theory of usb deeply. on the principle of usb1. 1criterion, using usb interface chip usbn9604 and low consumption mirochip c8051f231, we designed the available interface of usb bus and its controlling software, turn the communicating function based usb bus between computer and testing device. second based on the developed interface of usb bus, using microchip pic16c62 and a mount of relays, we designed the multiswitching scanner and its controlling software to complete the funtion of accesses swithing in testing system. third calling the api function inside the windows using vb programming language, communicat with the impelling program of selected hid, achieve the function of testing instrument with usb interface, complete the development of upside software faced testing. at last, based on the deep studying of pcb testing method, used the developed multiswithing scanner and software faced testing, combinated with necessary testing instrument, we constructed the pcb testing system and analized the testing result simply

    論文首先從虛擬儀器的技術內涵出發，深入研究和討論了通用串列總線usb規范及工作原理，並依據usb1 . 1規范，採用usb介面晶元usbn9604和低功耗微處理器c8051f231設計開發了通用的usb總線介面及其控制固件，實現了通用計算機與測試設備之間基於usb總線的通信功能；其次，在所開發的usb總線介面的基礎上，使用微處理器pic16c62和多路繼電器開關，設計開發出實現測試系統中測試通道切換功能的多路通道掃描器及其控制固件；再次，採用vb語言編程，調用windows內部api函數，與選定hid類驅動程序進行通信，實現usb總線介面測試儀器功能，完成面向測試的上層軟體開發；最後，在深入研究印刷電路板測試方法的基礎上，利用已開發的多路通道掃描器和面向測試軟體，結合必要測試儀器組建印刷電路板測試系統，並對測試結果進行了簡要的誤差分析。
  3. Slave computer knows master computer with some trouble when the communication assumption between master computer and slave computer has changed. then control circuit will be automatically switched to slave computer, slave computer will take place of the task of master computer and inform some related person to deal with the trouble in order to resume the normal work. man - machine conversation windows of the control system adopted visual basic 6. 0 to design

    上、下位機之間的通訊採用串列通訊的方式，上位機正常情況下負責實時運行，當上位機遇到故障時，上、下位機之間的通訊約定會發生變化，這樣下位機就會知道上位機有故障，控制運行電路切換到下位機系統運行，下位機通過撥號系統通知有關人員，及時處理故障，以使上位機盡快恢復運行。
  4. Thirdly, the range switch circuit and filter circuit are designed in the analog input channel. to realize the safe high speed acquisition, the interface circuits are separated from the function circuits, and the isolation power with high performance and digital isolator is used to restrain the common mode disturb and noise of the input

    3 .模擬輸入通道設計有量程切換電路和濾波電路，並且採用了屏蔽、浮置技術和磁耦隔離技術，使用了高性能的隔離電源和磁電耦合器，有效地抑制了輸入信號的共模干擾和噪聲，實現了安全、高速的數據採集。
  5. Through researching of the pvc of fr channel connected with satellite network, the paper realizes the meeting switch function of videoconference system. by cnms communicating with the distant terminal management agent ( tma ) of videoconferencing system, the management and control of videoconference terminal dvc are realized

    在對衛星網的幀中繼接入通道的永久虛電路pvc的研究基礎上，實現了會議電視系統的會場切換管理；通過cnms與遠端會議電視終端代理tma的通信，實現了對各會場的會議電視終端dvc的控制和管理。
  6. Channel switching circuit

    通道切換電路
  7. Alarm input signals are : contact open - circuit alarm, contact closed - circuit alarm, ttl level signals. alarm output modes are : flash alarm, sound alarm, relay contact output alarm optional for memory function or not it adopts high brightness led or long - lifetime planar luminotron separate indicate the current condition for every loop

    各輸入埠均具備萬能信號和單通道輸入功能，且各路可同時輸入不同類型的信號，輸入信號全切換時只需通過儀表菜單的簡單選定，即可實現不同類型輸入信號各種熱電偶熱電阻標準電壓標準電流信號之間的輕松切換，提高了儀表的通用性和可靠性。
  8. The system solves the problem that one device can control many parameters testing. it can complete auto - test and auto - data - collection of acting time difference between the 8 contract resistances and 6 switches without debugging the power by hand. serial communication program can automatically transmit the testing data and information to the upper computer after the data testing

    機車電器測試系統解決了一臺裝置進行多項參數測試的計算機控制問題，能進行8路接觸電阻、 6路開關的動作時間的自動測試、通道的自動切換及數據採集；並無須人工調試電源；串口通信程序在測試完畢后自動向上級計算機傳輸測試數據和信息交換。
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