measuring current source 中文意思是什麼

measuring current source 解釋
測量電流源
  • measuring : n. ,adj. 測量(的),測量用(的)。 remote measuring 遙測。
  • current : adj. 1. 通用的,流行的。2. 現在的,現時的,當時的。3. 流暢的;草寫的。n. 1. 水流;氣流;電流。2. 思潮,潮流;趨勢,傾向。3. 進行,過程。
  • source : n 1 源頭,水源,源泉。2 根源,本源;來源。3 原因;出處;原始資料。4 提供消息的人。5 血統。vt 〈美...
  1. For the leakage often occured on condenser brass pipe of hanchuan power plant, using differential inner insert detecting coil the on - line multi - frequency eddy current check technology effectively restrains interferance source signal from support board, etc, improves measuring sensitivity and the measuring result gets more reliable

    摘要針對漢川電廠凝汽器銅管在運行中多次發生泄漏,利用差分內插式檢測線圈,通過多頻渦流檢測技術對凝汽器進行渦流在役檢測,有效地抑制了支撐板等干擾源信號,提高了檢測靈敏度,使得檢測結果更可靠。
  2. 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。
  3. The micro - controller is used to control the high - voltage signal source and the measuring current

    該方法使用微控制器控制高壓信號源,並同時精確控制測試電流。
  4. The main works are listed as follows : ( 1 ) based on the excitation of bi - directional current pulse technique, a new measuring circuit for weak variation of resistance was proposed for electrical resistance tomography. traditional ac current source is n ' t adopted as the exciting source. through fast bi - directional current switching, the polarization effects are eliminated

    該電路主要優點如下:該電路沒有採用傳統的交流電流激勵法作為系統的設計原理,而是通過快速的正負極性電流切換來削弱直流電流激勵時激勵電極的極化效應,使通過直流法來測量氣液兩相流的電阻微弱變化成為可能。
  5. Study of constant - current source for measuring dcr of large electric power equipment

    電力設備直流電阻測量用恆流源研究
  6. This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.

    採用磁場定向脈寬調制演算法,提高了電源利用率,降低了逆變電壓的諧波,改善了電機的運行特性,降低了對電網的污染;在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型,在模擬的基礎上,對傳統pid調節器進行了改進,提出轉速調節器和電流調節器採用分段pid結構,根據給定轉速所處的區間,自動選擇相應pid調節器的參數,拓寬了調速范圍,提高了控制精度。
  7. It uses the encouragement of step wave or other impulse current field source to produce the transition process field in earth. in the moment of shutting the power it produce the volute alternating electromagnetic field. from the abnormity of measuring the attenuation character of the second induction electromagnetic field, which produced by underground medium with time change, the conductive capacity and the position of the underground non - homogeneous substance can be analyzed

    瞬變電磁法( transientelectromagneticmethod )是一種時間域的電磁勘探方法,利用階躍波或其它脈沖電流場源激勵,在大地產生過渡過程場,斷電瞬間在大地中形成渦旋交變電磁場,測量這種由地下介質產生的二次感應電磁場隨時間變化的衰減特性,從測量得到的異常分析出地下不均勻體的導電性能和位置,從而達到解決地質問題的目的。
  8. Voltage data come from the dynamic induced current electrical impedance tomography hardware system designed by our group, which has 32 measuring electrodes and the stimulating source is the sinusoidal current

    採用本課題組研製的32電極感應電流電阻抗斷層成像硬體系統並測量物理模型上的電壓數據。
  9. Optimizing the design combines the source respect the product investment, marking, etc. as mention above, in this article, we will study how - to - project - management through the research on the operations of the current design companies or design department. and then we will try to find out the workable principles and manners. through measuring the essential of project management, and industry design management results to the similar condition

    基於此,本文試圖通過對設計活動的現狀和設計公司、設計部門運作情況的調查以及對現代管理手段之一的基礎上管理的深入研究,探索出具有可操作性的設計管理? ?設計項目管理的規律與方法,從而達到高效完成設計項目的目的。
  10. Otherwise, an active integral chaotic measuring circuit is suggested based on the analysis of the present nonlinear circuits in this paper, which gets rid of nonlinear distortion of map function in constant - voltage mode and defect of constant - current source operating on - off state. using a general operational amplifier, high precision can also be obtained. a nth - order chaotic measuring system can be composed of its interconnection

    另外,本文在分析原有非線性電路的基礎上提出一種有源積分式混沌測量電路,它克服了恆壓式測量電路映射函數存在非線性失真、恆流式測量電路不宜工作在開關狀態的不足,利用普通的運放也獲得較好的測量精度。
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