time measuring circuit 中文意思是什麼

time measuring circuit 解釋
時間測量電路
  • time : n 1 時,時間,時日,歲月。2 時候,時刻;期間;時節,季節;〈常pl 〉時期,年代,時代; 〈the time ...
  • measuring : n. ,adj. 測量(的),測量用(的)。 remote measuring 遙測。
  • circuit : n 1 (某一范圍的)周邊一圈;巡迴,周遊;巡迴路線[區域];迂路。2 巡迴審判(區);巡迴律師會。3 【...
  1. In order to understand the mechanism of short - circuited deoxidization, an experiment was designed and performed for measuring the relation between the open circuit voltage of a deoxidization device and the process time

    摘要為了解固體電解質脫氧的內部機理,對氧化鋯固體電解質電池短路脫氧過程中的外電路電壓隨時間的變化進行了研究。
  2. The main works are listed as follows : ( 1 ) the small capacitance measuring circuit for ect based on the charge amplification principle was deeply analyzed and improved. the stray - immunity and the charge injection effect of this circuit were deeply analyzed. the influence of the charge injection effect was eliminated by practical time sequences and circuit structure differential

    本文的主要工作和創新點如下: ( 1 )對基於電荷放大原理的微弱電容測量電路進行了深入的分析和改進,深入分析了該電路的抗雜散電容性能及電荷注入效應問題,通過時序的合理設計消除了電荷注入效應等因素對測量結果的影響,改進了該電路的數學模型。
  3. In order to eliminate the influences caused by temperature, electrode - polarization and autoeciousness - capacitance, the traditional instrument has added complicated circuits so that it cause such shortcomings as big error, time - retardation and a relatively small scope. through the problems caused by 2 - probe electrode and ac current source, a new measuring circuit based on the excitation of bi - directional voltage pulse and the sensor of 4 - probe electrode is proposed, using single - chip to achieve auto - temperature compensation

    作者在參閱國內外大量相關參考文獻的基礎上,從電導測試技術的原理性研究出發,分析了採用交流激勵源、兩電導電極為傳感器的傳統電導測試系統所面臨的種種問題,提出並研製了一種基於雙極性脈沖電壓激勵、以四電導電極為探頭、運用單片機進行溫度自動補償的新型電導率測量系統。
  4. And a kind of 16 - step automatic selective programmable amplifying circuit is designed in volume resistivity measuring circuit, so as to handle sampling little and broad signal. the control and disposal system with the core of microchip at89c55wd is analyzed on chapter 4. main function unit such as the interface circuit of lcd display and keyboard, the interface circuit of micro - printer, real time clock ds12c887, and hardware anti - jamming technique are discussed

    本文還設計了以at89c55wd單片機為核心的控制處理系統的外圍介面電路及其軟體,對主要功能部分進行了分析,主要包括:鍵盤液晶顯示介面及界面設計、微型印表機介面、實時日歷時鐘晶元ds12c887 、單片機與單片機及單片機與上位機的通信設計以及控制系統硬體抗干擾措施等。
  5. Measuring time - constant of transient process in the rlc series circuit

    串聯電路暫態過程的時間常數
  6. Automatic water - measuring meter is the combinative production of traditional method and present cmos integration circuit technology. it consists of water - level sensor and mainframe circuit. on the basis of analyzing its application, this paper gives the design of mainframe circuit, including time circuit, time - sequence circuit, input - interface circuit, switch circuit and power circuit

    本文在分析cmos集成電路應用的基礎上,給出了自動量水儀表主機電路的設計,包括定時電路、時序電路、輸入介面電路、開關電路和電源電路的設計;其次,對水位傳感器進行了研究,分析了水位傳感器的工作原理、測量使用條件、動態特性、靜態特性以及水位傳感器的率定、標定方法。
  7. The signal generator of sweep frequency is based on dds device ad9954, the signal measuring circuit is based on gain and phase detector ad8302, the real - time control and deal circuit is based on tms320vc5409, and the periphery interface circuit is based on at89s52. the system can generate sweep frequency signal with the frequency range from 100khz to 150mhz, and with the power range from - 45dbm to + 18dbm. it can measure the gain and phase of the network, display the measure data by liquid crystal displayed and print it by the printer

    該測試儀以dds晶元ad9954為核心構成掃頻信號源電路,以增益相位檢測器ad8302為核心構成檢測電路,以dsp晶元tms320vc5409為核心構成控制與運算電路,以及以at89s52為核心構成外圍介面電路。該測試儀能產生頻率范圍達100k ~ 100mhz ,功率范圍為- 45dbm ~ + 18dbm的掃頻信號,能對被測網路的頻率特性進行測量,並留有豐富的外圍介面,可以將測量數據繪圖通過lcd顯示或者由印表機列印輸出。
  8. In the paper, the design of the real - time test system for crystal parameters is presented. the signal generator of sweep frequency based on dds device ad9852, the signal measuring circuit based on gain and phase detector ad8302, and the real - time control and deal circuit based on tms320vc5416 and the design of high - speed printed digital & analog circuit board are discussed in details

    本文闡述了晶振實時測量系統的設計,介紹了以dds晶元ad9852為核心的掃頻信號源電路,以增益相位檢測器ad8302為核心的信號檢測電路,以dsp晶元tms320vc5416為核心的實時控制與運算電路,以及高速數模混合電路板的設計方法。
  9. Then a dynamic compensating system is designed and added into the measuring system to accomplish the compensation. furthermore, a mcu system is designed to acquire, process and display the output of the transducer ' s serving circuit, and to feed back the workpiece ' s real time dimension to the nc grinding machine

    同時,設計了一個單片機系統來對氣隙式電感傳感器及其調理電路的輸出信號進行採集、處理、顯示,並反饋給磨床,實現對磨床磨削加工的閉環控制,並且使整個系統具有友好的人機交互界面。
  10. To ensure the precision of distance measuring, the high - speed laser driving circuit and the detect - amplifying circuit constituted by two class high - speed operational amplifiers are used in auto adaptive cruise - control system, and the laser flying time is measured by a sixteen bit ' s binary counter, whose counting frequency is 100 megahertz

    為保障測距精度,裝置採用高速激光器驅動電路和由兩級高速運算放大器構成的探測放大電路,並用一個計數脈沖頻率為100mhz的16位二進制計數器完成激光收發間隔時間的測量。
  11. To meet this request, we develop the process control experimental system. it use all kinds of sensors to obtain the value of pressure, liquid location, temperature, flow ? four kinds of basic physical quantities, etc. and through the intelligent meters, data collecting circuit, it sends the measuring signal to the computer, then realize the functions such as fictitious showing, data processing and real - time control by industrial configuration software

    為滿足這一要求,我們研製開發過程式控制制實驗系統,它採用各類傳感器,獲取壓力、液位、溫度、流量等四種基本物理量,並通過智能儀表、數據採集卡,將測量信號轉送到計算機,再利用工控組態軟體完成虛擬顯示、數據處理和實時控制等功能。
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