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datum line

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datum line 基準線。

基準線。 “datum“ 中文翻譯：   n. (pl. data ) 〔拉丁語〕 1.〔常 pl ...“line“ 中文翻譯：   vt. 交尾。 “arbitrary datum line“ 中文翻譯：   任意基準線“armament datum line“ 中文翻譯：   武器基準線“boresight datum line“ 中文翻譯：   正常平飛基準線“comparative datum line“ 中文翻譯：   相對基準線“datum line differential“ 中文翻譯：   基準線差“datum line measurer“ 中文翻譯：   基準線計測機“rigging datum line“ 中文翻譯：   裝配根據線“sight datum line“ 中文翻譯：   瞄準具基準線“x-datum line“ 中文翻譯：   穿孔卡片基準線“y-datum line“ 中文翻譯：   穿孔卡片基準線“y-datum line y“ 中文翻譯：   基準線“datum“ 中文翻譯：   n. (pl. data ) 〔拉丁語〕 1.〔常 pl.〕 數據，資料。 2.論據，作為論據的事實。 3.【數學】已知數。 4.【測】基點，基線，基面。 “a umed datum“ 中文翻譯：   假設起算值“absolute datum“ 中文翻譯：   絕對基面（標準基面）; 又稱“標高”。 絕對基面“acceleration datum“ 中文翻譯：   加速基準“altitude datum“ 中文翻譯：   高程基準面“arbitrary datum“ 中文翻譯：   假定基面; 任意起算值“assumed datum“ 中文翻譯：   假定起算值; 假設起算值“astrogeodetic datum“ 中文翻譯：   天文大地基準“best datum“ 中文翻譯：   最佳基點“characteristic datum“ 中文翻譯：   特盞“chart datum“ 中文翻譯：   海圖基準面海圖基準面水深基準點; 海圖深度基準面; 記錄圖基準線; 水深基點; 水深基準點“charted datum“ 中文翻譯：   海圖基準面

datum mark

Fully considering the system ' s reliabilty , being real - time , speed and extensibility , it finally chooses the sdh as the system network of cors through deep compration and alalysis of four special data lines supplied by china telecom , so that an effective interconnection among the stations and the workstations in the control - center comes true 摘要充分考慮系統可靠性、實時性、通信速率、可擴充性等因素，通過對中國電信提供的4種數據專線服務的綜合分析比較，選擇了同步數字體系作為系統通信網絡，實現了控制中心各工作站和各基準站之間的高速互聯。

Although there are many literatures describing ultrasonic detector for traffic flows , none of the same category has referred the techniques applied in the design herein such as multi - sensor construction , automatically establishing datum line regardless of suspension height , digital filtering and multi - lane detection as well as measuring length of motorcade 目前有關超聲波車流檢測器的文獻較多，但本設計中采用的多探頭結構、自動標定超聲波探頭的架設高度、數據濾波以及多車道測量和檢測車隊長度等技術在同類設計中未見使用。

Peripheral devices in embedded systems are often connected to the mcu as memory - mapped i / o devices , using the microcontroller ' s parallel address and data bus . this results in lots of wiring on the pcb ' s to route the address and data lines , not to mention a number of address decoders and glue logic to connect everything 由于并行總線擴展時連線過多，外圍器件工作方式各異，外圍器件與數據存儲器混合編址等，都給單片機應用系統設計帶來布線復雜，線路板面積大，易引起emi和esd干擾等困難，這在一些比較復雜的應用系統是難以接受的。

Then , memory cell array and some parts of peripheral circuits used in sram , for example , sense amplifyier and adderss decoder , are designed and verifyied by simulation . furthermore , some novel methods , such as clocked hierarchical word decoding structure , multi - stage sense amplifyier , common data line and data bus equlibruim technology has been applied in the design of 128kbit and imbit sram . what ' s more , we have studied compiler technology applied in the designing course of a imbit full cmos sram from the pointview of methology 然后對sram的存儲單元電路以及外圍電路中的靈敏放大器和地址譯碼器進行了設計和模擬，在此基礎上，以128kb和1mb全cmossram設計為例，從方法學角度對同步sram設計中的帶時鐘分等級字線譯碼，多級靈敏放大和位線及總線平衡等技術進行了研究，并給出了相應的compiler算法。

The network initially comprised of three seismograph stations located at yuen ng fan , cheung chau and tsim bei tsui . seismic data was transmitted in real - time to the hong kong observatory headquarters via dedicated data lines for analysis and archival by a microcomputer data processing system designed and constructed in - house . this was one of the earliest applications of microcomputer for automatic acquisition and processing of telemetric data in hong kong 站網初時有三個站，位于元五墳、長洲和尖鼻咀，地震數據實時通過電訊線路送到天文臺總部，由天文臺自行開發的微型電腦數據處理系統接收、分析和儲存，這是香港最早期應用微型電腦自動收集及處理遙測數據的系統之一。

Apart from the above weather stations , meteorologists from the three places also established over the years the exchange of real - time weather information through dedicated data lines , the networking of weather radar data from the area , and the closer consultation among forecasters in these places during the approach of severe weather . currently in progress is the expansion of swirls ( short - range warning of intense rainstorms in localised systems ) , developed by the hong kong observatory , to a rainstorm forecasting system covering the pearl river estuary 除上述氣象站外，三方的氣象人員多年來還實現了利用專用數據線路交換實時氣象資料、將三地的天氣雷達數據聯網、以及加強了三方預報員進行重要天氣評估的磋商等。目前正開展工作，以香港天文臺開發的小渦旋暴雨臨近預報系統為基礎，致力擴展成一套覆蓋整個珠江三角洲的暴雨預報系統。

I have studied the designing technique of the interface circuit in the course of designing entirely , have put forward the interface model with the processor and system controller of the base in wireless communication ; design data line up with data interface , line up module propose horizontal input , vertical algorithm that output in data 筆者在整個設計過程中，研究了接口電路的設計技術，提出了無線通信中基帶處理器與系統控制器的接口模型；設計了數據排隊與數據接口，在數據排隊模塊提出了橫向輸入、縱向輸出的算法。

For saving driver ics ' power consumption and cost , this research proposes a novel display pixel design with integrated charge pump circuits . the proposed display pixel design can supply driving voltage more than double the input voltage to display pixels . there are two advantages for this developed novel pixel design . first , the power consumption of the panels with the proposed novel pixels can be reduced due to the lower voltage on data lines . second , the high voltage driver ics are not necessary , such that the cost and power consumption of the corresponding driving systems can be diminished . from the simulation results , the pixel voltage indeed could raise to more than double input voltage by this proposed design . in addition , the pixels with charge pump circuits also retrench about half power consumption than the conventional display pixels 為了節省面板電路驅動芯片的功率損耗以及制作成本,本研究提出一種新的像素電路設計,而在設計中將會融合電荷泵電路.利用這種電路設計的像素可有效地將像素電極上的驅動電壓提高到輸入電壓的2 3倍以上.此像素電路設計具有兩個優勢:第一,可以有效降低顯示面板的像素功率損耗;第二,不需高電壓的面板電路驅動芯片,因此可節省芯片的成本及功率損耗.由模擬結果可知,像素電極上的驅動電壓確實可由此像素電路設計而提高到輸入電壓的2 3倍以上;而像素的功率損耗也可有效地降低,約為傳統像素的1 / 2

Electronic messages generated by computers in these businesses , such as account statements , invoices , direct mail shots , circular letters , and so on are sent to hongkong post either through a telephone or data line , or on computer tapes or diskettes 這些機構的電腦所發出的電子信息，例如帳戶結單、發票、直遞郵件、通函等，會透過電話或數據線路、電腦磁帶或磁碟傳送往香港郵政，由香港郵政印制為郵件，直接安排派遞。

This media can be used to provide quick - disconnect for auxiliary power for active i o modules , connect the data line from one device to another , provide input and output to blocks , and provide diagnostic , mechanical and electrical functions 的姐妹品牌，主要生產各種圓型連接器多端口接線盒mpis ，用于各種傳感器電源線和信號線的現場快速可靠接插，省去了很多繁瑣的配線。

It is recommended that twisted pair wiring and coaxial cabling be provided with suitable data line protection , at the point where the signals penetrate the metal cabinet walls , with the protectors referenced to the metal cabinet by a short wire ( < 15cm ) 如果光纜直接進入箱體內，則無須做任何數據線或信號線的保護，因為沒有金屬導體路徑能讓電涌電壓進入到設備內部。

The company applies the most popular web system of the world , star lan structure , which can copy those critical equipment with double computers at the real time and link our system to other futures exchanges with complete ddn data lines 公司網絡系統采用國際最流行的星型拓撲結構，關鍵設備采用雙機實時備份，多條完備的ddn數據專線直接連接各期貨交易所。

If the optical fiber were brought directly into the cabinet , then it would be unnecessary to provide any data line or telecom protection , since there would not be a metallic pathway for transient voltage to enter into the equipment 如果光纜直接進入箱體內，則無須做任何數據線或信號線的保護，因為沒有金屬導體路徑能讓電涌電壓進入到設備內部。

If you ' re designing a keyboard , mouse , or host emulator , you should modify / sample the data line in the middle of each cell . i . e . 15 - 25 microseconds after the appropriate clock transition 如果你設計一個鍵盤鼠標或者主機模擬器，你必須在每個單元的中間時刻（也就是,在時鐘跳變之后的15 25毫秒后）修改/取樣數據線

Manufacturers will attempt to isolate their equipment from disturbances of a transient nature that may appear on the ac lines and data lines ( i / o ports ) , or on the building ground system 設備生產商總是試圖把設備從可能出現在交流電源線和數據線（ i / o口） ，或建筑接地系統中的電涌干擾中隔離開來。

The siemens mobile telephone with the gsm modem is controlled by the at command through the mobile telephone data line between the signal chip system and the serial interface of the mobile telephone 通過手機數據線連接單片機系統和手機串口，對西門子手機內置的modem進行指令控制。

Termination resistors should be placed only at the extreme ends of the data line , and no more than two terminations should be placed in any system that does not use repeaters 終端電阻只能安裝在數據線的最末端，在沒有使用中繼器的系統中，不得使用兩個以上的終端電阻。

Images from infrared , visible and water vapor channels of the gms are made available to workstations at the airport meteorological office through dedicated data lines 氣象衛星地面接收系統將該衛星的紅外光、可見光及水汽頻道圖像經專線傳送至機場氣象所的工作站。

After the stop bit is received , the device will acknowledge the received byte by bringing the data line low and generating one last clock pulse 只有當時鐘線為低的時候，主機才可以改變數據線（也就是將數據寫入到數據線） 。數據將在時鐘為高電平的時候被設備讀取。