時鐘電路供電 的英文怎麼說

中文拼音 [shízhōngdiànlùgōngdiàn]
時鐘電路供電 英文
mhz
  • 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...
  • 鐘 : Ⅰ名詞1 （用銅或鐵製成的響器） bell 2 （計時器） clock 3 （指鐘點、時間） time 4 （沒有把兒的杯子...
  • 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...
  • 供 : 供Ⅰ名詞1 （供品） offerings 2 （口供; 供詞） confession; deposition Ⅱ動詞1 （供奉） lay （offerin...
  • 時鐘 : [電學] [半] clock時鐘計數器 [自動化] clock counter
  • 電路 : [訊] circuit （ckt）; electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. Maintaining a caesium beam clock as the hong kong time standard and providing time signals for radio broadcasts, automatic telephone answering service and synchronisation of clocks via internet

    操控銫原子鐘作為香港的時間標準，以及透過各電臺自動答覆電話查詢服務及網際網路校對時鐘服務提供報時訊號
  2. Maintaining a caesium beam clock as the hong kong time standard and providing time signals for radio broadcasts, automatic telephone answering service and synchronization of clocks via internet

    操控銫原子鐘作為香港的時間標準，以及透過各電臺、自動答覆電話查詢服務及網際網路校對時鐘服務提供報時訊號；
  3. Such as harmonic distorted in front analog circuit, sample clock shaking, analog power and the noise in ground plane etc. some suggestion of circuit design is given to improve high - speed a / d circuit performance

    在高速模數轉換電路的應用設計中地電源供電設計、模數地平面設計、采樣時鐘設計等方面提出一些具有指導性的意見。
  4. Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops

    為了方便、有效地測定植物的蒸散，為水分利用研究提供價廉物美、簡單易用的儀器，本研究利用國產的集成電阻應變式稱重傳感器，採用at89c52單片機作為控制單元，結合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列通信等外圍介面電路，研製了小型自動稱重式蒸散儀。
  5. Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect

    在實際設計實現中，為提高系統軟、硬體整體穩定性和可靠性，使用了以下幾種方法： （ 1 ）低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術； （ 2 ）多層pcb設計，線路板結構緊湊，電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電； （ 3 ）選用表面貼和bga封裝的器件； （ 4 ）按照軟體工程的要求進行系統分析，規劃系統框圖、流程分析、模塊劃分，減小了不同模塊的相關性，從而最大限度避免了錯誤的發生。
  6. The hong kong observatory ( hko ) uses a caesium beam atomic clock to maintain the hong kong standard time, which is the official time of hong kong

    香港天文臺銫原子鐘提供的香港標準時間，是香港的法定時間標準。市民可以透過網際網路使用天文臺網路時間服務，把電腦時鐘對準香港標準時間（
  7. 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。
  8. 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。
  9. In this special task, shanghai telecom provided in total 2, 540 telephone lines, more than 50 private lines for government and media use, 72 fiber cores, 982 adsl ports and 107 isdn ports. 13 sets of satellite antennas were employed ( including 5 emergency sets and 10 leased satellites ), tv signal transmission amounted to 355 times with an overall transmission length of 8, 716 minutes. all the 150 news booths were provided with 8 information points ( 4 internet jackets and 4 phone jackets )

    上海電信在這次通信服務中，共提供電話線2540條，政府和媒體專線50多條，光纖72芯， adsl網路埠982個， isdn埠107個;啟用13付衛星天線（其中機動衛星天線5付、租用10顆衛星） ；傳送電視355次，總傳送時長8716分鐘； 150間新聞工作間每間都提供8個信息點（ 4個上網通道、 4個電話通道） ； 1000cm2的新聞工作大廳安裝了400個終端。
  10. Abstract : trigger circuit, power supply circuit, clocking circuit and reset circuit are the main circuits on the main board

    摘要：觸發電路、供電電路、時鐘電路、復位電路是主板上最主要的電路。
  11. In digital circuits, an outer rc circuit, combined with inter ring oscillator obtain series of oscillation pulses for system clock and delay clock

    在晶元的數字電路中，設計了外部rc環節配合片內環振構成的振蕩電路，提供系統時鐘、延遲時鐘的振蕩脈沖。
  12. Hko s network time service allows people especially those engaged in e - business to calibrate their computer clocks. the e - certification system of the hong kong post is also synchronized to the atomic clock of the hko. in 2002, on average 5 computers were connected to the hko s network time service every second

    其他服務方面，天文臺利用網際網路提供香港標準時間，讓市民尤其是電子商貿參與者校正電腦時鐘，郵政署的電子認證系統也是以天文臺的原子鐘定時的，在2002年平均每秒有五部電腦到天文臺校對時鐘。
  13. At the same time the clock chip pcf8563 and serial eeprom chip csi24c01 with reset and wdt circuit of i2c bus are used hi the system. they have not only provided the non - volatility data storage area, the supervision ability of power supply and mcu and the rtc, and its i2c bus structure has been simplified the circuit design

    同時在系統中還使用了護c總線結構的時鐘晶元pcf8563和內置reset 、 wdt電路的串列eeprom晶元csi24coi ，它們不僅提供了電源和微控制器的監控功能、不揮發性的數據存儲區、實時時鐘，而且其護c總線結構簡化了電路設計。
  14. The radio frequency receiver supports interface for instrument and base station and air interface for mobile station, and it takes the task of magnifying low noise and down - convert and digital baseband processor filtering and magnifying intermediate frequency to reverse link signal. the digital baseband processor samples the received signal after down - convert radio frequency signal to intermediate frequency signal and processes other processing and supports interfaces to computer, next sends data to computer. the gps receiver supports interface for instrument and gps system, and receives gps system signal, next it demodulates the correlative information and sends out benchmark clock signal we need

    射頻接收部分主要為儀器和基站、移動臺提供空中介面，其主要任務是在反向鏈路上對接收到的射頻調制信號進行低噪聲放大、射頻下變頻變換、中頻濾波放大等;數字基帶部分為對接收信號變頻為中頻后進行a / d采樣，以及其他的rsp處理並和計算機提供介面，將數據送至計算機進行后臺處理、顯示等; gps接收機部分為儀器和gps系統提供介面，接收gps系統信號並解調相關信息，輸出所需的電文及時鐘基準信息等。
  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. System clock provides several synchronism clocks for every sub - circuit. reset circuit assumes that digital circuits have an initial state and self start

    系統時鐘電路分出多個同步頻率，以提供不同數字子電路的同步時鐘。
  17. The accuracy of the clock is within fractions of a microsecond a day of the international time standard kept by the international bureau of weights and measures in france. time checking services are provided through the internet, the telephone information enquiry system and local radio stations

    該鐘所報時間與位於法國的國際度量衡局所規定的國際時間標準比較，每日相差不超過一微秒。天文臺透過網際網路、查詢資料電話系統及本地各電臺提供授時服務。
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