時間基準 的英文怎麼說

中文拼音 [shíjiānjīzhǔn]
時間基準 英文
time reference
  • 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...
  • 間 : 間Ⅰ名詞1 （中間） between; among 2 （一定的空間或時間里） with a definite time or space 3 （一間...
  • 準 : Ⅰ名詞1 （標準） standard; guideline; criterion; norm 2 （目標） aim; target Ⅱ動詞1 （依據; 依照）...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. This is the basis for the well-known cesium clock, presently the standard of frequency and time.

    這就是眾所周知的銫原子鐘的基礎，它是目前的頻率和時間基準。
  2. It can provide many users at discretion of any place in the world high definition, all - weather, continuous and real - time three - dimension allocation, velocity measurement and time baseline at the same time ? it had been founded in 1993, and lias been paid great attention in fields of military and social - life application

    全球定位系統（ gps ）是新一代的導航定位系統，它能夠為全球任意地點、任意多個用戶同時提供高精度的、全天候的、連續的、實時的三維定位、測速和時間基準。
  3. By varying the tape speed during playback, the time base can be extended or compressed.

    在重放的過程中可以改變磁帶的速度，以使時間基準拉長或縮短。
  4. Trs time reference system

    時間基準系統
  5. As far as time cost and accuracy are concerned, this criterion based on waveform discernment is superior to the traditional one based on the transmission line voltage amplitude sampled after breakers work and has been verified its exactness by dynamic emulation

    所提判據在時間和準確性上要優于傳統的基於故障后線路開關開斷后故障線路殘壓幅值的判別法，並經動態模擬驗證了其正確性。
  6. The concept of " timing " in the article is not the clock in our ordinary living, but syntheses which is made up of some frequency source in the signal generator ( such as cs atom frequency standard, rb clock & high accuracy quartz crystal oscillator ) which produces the primary frequency, the matching input interface and the matching output interface and controlling circuit etc. for example, bits is a kind of timing equipment, which is used to control the timing of some functions

    本文論及的「時鐘」概念不是指日常生活中使用的鐘表，而是由產生基準頻率的信號發生器（如銫原子頻率標準、銣鐘及高精度石英晶體振蕩器等）中的某種頻率源以及相配套的輸入、輸出介面和控制電路等組成的一整套具有特定同步定時功能的綜合體。如bits就是一種時鐘設備，它提供用在通信系統中控制某些功能的定時的時間基準設備，時鐘提供的信號稱為基準信號、定時信號或同步信號。
  7. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  8. On the base of experiment & study of tile influence of different gypsum on performance of portland - sulphoalminate composite cement system as set time, water requirement of normal consistence, strength, ect, the influence mechanism was discussed

    摘要在試驗研究不同石膏品種對硅酸鹽硫鋁酸鹽復合體系水泥凝結時間、標準稠度需水量、強度等性能影響的基礎上，探討了石膏品種對硅酸鹽硫鋁酸鹽復合體系水泥性能的影響機理。
  9. Zero - time reference

    零時間基準
  10. Time reference pulse

    時間基準脈沖
  11. This paper analyses crystal oscillator ’ s character and technique targets, and the changes of these technique targets effect the time of crystal oscillator gives the error mode of crystal oscillator time, by discussing gps system and time service theory, we analyze random character of gps second pulse error. we combine long - time stability of receiver ’ s output signal and short - term stability

    該系統成功地應用於寬頻帶地震記錄儀中，使地震數據記錄的時基精度達到微秒級，可以解決大范圍的地震儀布設應用時的授時和空間定位（經度、緯度、海拔）問題，為地震數據記錄、分析工作提供了與國際標準時間同步的時間基準。
  12. Measurement and control ; digital measuring instruments ; instruments for measuring time reference quantities ; definitions, tests and data sheet details

    測量和控制.數字式測量儀表.測量時間基準量的儀器.定
  13. The computation on the dynamic change of gravity field with above data is done, the determinations of the spacial and time gravity base, and of the calculation of the influences about the instrument scale changes deduction of station movements etc. are systematically discussed in this paper

    利用這些資料進行了重力場動態變化計算，系統地討論了空間和時間基準的確定、格值影響的計算和點位移動的歸算等問題。
  14. Equipment that provides a time base used in a transmission system to control the timing of certain functions such as sampling and to control the duration of signal elements

    在傳輸系統中提供時間基準的裝置，用於控制某些功能（例如采樣）的定時和控制各種信號成分的持續時間。
  15. A new circuit of fan - out of high frequency clock was designed to provide a reference clock for the front electrical mode of pet system in the fourth " part of the thesis

    論文的第四部分介紹了為pet系統前端電子學模塊提供時間基準而設計的一種新型高頻時鐘扇出電路。
  16. In pointer to the time base, if necessary for the format conversion

    [ in ]指向時間基準的指針（如果時間基準對于格式轉換是必需的） 。
  17. If time base information is not necessary for the format conversion, the value of this parameter is ignored

    如果時間基準信息對于格式轉換不是必需的，則忽略此參數的值。
  18. Dly timebase on a scope is very useful once you figured out when, why and how to use it

    一旦明白在什麼時候，為什麼和怎樣使用示波器上的延時時間基準，你將發現它非常有用。
  19. The patrol device is light and convenience. a serial timekeeper chip is used to keep the real time information

    為了方便對巡更記錄的實時跟蹤，系統採用了具有時間基準功能的時鐘晶元。
  20. In this paper, through the analysis on the internet network and the present status of network time baseline, presents an application of the time - checking on network

    本文通過對internet網和網路時間基準現狀的分析，提出了時間證據在網路上的應用。
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