capacitance measurement 中文意思是什麼

capacitance measurement 解釋
電容測量
  • capacitance : n. 【電學】電容;電容器。
  • measurement : n. 1. 測量,計量,量度。2. 份量,尺寸,大小,寬度,厚度,深度(等)。3. 測量法。 measurement goods (按體積、容積計算的)體積貨物。
  1. Mems ( micro electromechanical system ) has become one of the most rapidly development technologies. along with the rapid development of mems techniques, capacitive sensor is used widely whose capacitance changes small, which has put forward the new request to the measurement technique. the common measure for capacitance measurement is that convert capacitance to voltage, electric current or frequency. the area of polar plate of the capacitor becomes smaller and smaller, and the total capacitance of micro capacitive sensor is usually several pico farad only. as a result, its change amount is smaller

    Mems ( microelectromechanicalsystem )近年來發展最快的技術之一,隨著mems技術的快速發展,電容式加速度計的電容變化變化量越來越小,對檢測技術提出了新的要求。在電容式傳感器中,常用電容檢測電路是將其轉換為電壓、電流或者頻率信號。目前的微型電容傳感器的極板面積變得越來越小,電容總量只有幾個pf ,變化量就更小。
  2. Measurement of quartz crystal unit parameters - phase offset method for measurement of motional capacitance of quartz crystal units

    石英晶體元件參數的測定.第2部分:用相位偏離法測量石英晶體單元的動態電容
  3. Accelerometer is used widely for measuring acceleration in civil and military field. at present, there are several type of accelerometers such as piezoelectricity electric charge accelerometer, ic piezoelectricity electric accelerometer, compressive resistance accelerometer and alteration capacitance accelerometer. the main part in alteration capacitance accelerometer is capacitance measurement circuit. foreign countries have produced accelerometer that have tiny volume and high performance. however, our country is not able to produce such accelerometer due to the lack of technique

    加速度計作為一種測量加速度的儀器,在民用、軍用領域都有廣泛的應用。目前市場上的加速度計主要有壓電式電荷加速度計、集成電路式壓電加速度計、壓阻式加速度計、變電容式加速度計等幾種類型的加速度計。變電容式加速度計的設計中一個重要的環節就是電容檢測電路的設計。
  4. The wireless technology used in capacitance tank level measurement

    無線接入技術在電容式物位測量的應用
  5. Insulating liquids - determination of the dielectric dissipation factor by measurement of the conductance and capacitance - test method

    絕緣液.通過測量電導率和電容量測定介電損耗系數.試驗方法
  6. Firstly, the whole scheme of the transducer is designed, the transducer includes capacitance / voltage converting, ripple - control capacitor switching, magnify - multiple switching, a / d converting, singlechip, photoelectric isolation and rs - 485 serial communication, etc. the measurement of microcapacitor is the key technology of transducer

    首先對變送器部分進行了整體的方案設計,變送器由電容/電壓轉換、紋波控制電容切換、放大倍數切換、 a / d轉換、單片機、光電隔離和rs485串口通訊等幾部分組成。
  7. Experimental analysis on condenser slot electric field and measurement error of capacitance yarn evenness tester

    電容式紗線條干儀測量槽電場分佈與測量誤差
  8. Measurement of the capacitance at each additional frequency for the same capacitor

    按每一額外頻率,測量同一標準電容器的電容量
  9. Then the time constant is computed through the equation set, thus the liquor resistance and conductivity is obtained. and the expression of the conductivity ' s computation is given out. the method is verified by circuit design and establishment of experimental scheme. this method eliminate effectively the effect that the distributed capacitance put on the conductivity measurement

    並推出了電導率求解過程的全部表達式。設計電路,制定實驗方案進行實驗驗證。分析實驗結果表明,該方法有效消除引線分佈電容對電導率測量的影響。
  10. Insulating liquids - determination of dielectric dissipation factor by measurement of the conductance and capacitance - test method

    絕緣液體.通過測量電導率和電容量來測定介電損耗因數.試驗方法
  11. Insulating liquids - determination of the dielectric dissipation factor by measurement of the conductance and capacitance - test method iec 61620 : 1998 ; german version en 61620 : 1999

    絕緣液體.通過測量電導率和電容量來測定介電損耗因數
  12. Measurement of the capacitance and dissipation factor of a standard capacitor, at one frequency

    按一個頻率,測量一個標準電容器的電容及耗散因數
  13. In chapter 4, we design a new conductivity detector for ion chromatography. the square wave is used as stimulating signal and the sampling is triggered by synchronization pulse at suitable time. by using these measures, the effects of doublelayer capacitance and polarization on the measurement are eliminated and the accuracy is improved

    摘要第四章介紹了一種新型的以方波激勵脈沖采樣為原理的二電極電導檢測器,這種電導檢測器採用了方波為激勵信號,在適當時刻用同步脈沖觸發采樣,從而在較大程度上克服雙層電容和極化的影響,且在結構設計上比目前國內常用的五電極電導池簡單。
  14. Measurement of the capacitance for all settings of the first decade of a decade capacitance box, at one frequency

    按一個頻率,測量一個十進電容箱首十個數值所有定位的電容量
  15. Abstract : the cad of the primary sensor subsystem for a 12 - electrode electrical capacitance tomography ( ect ) system is explored using the finite element method ( fem ), and the image reconstruction is also studied. results are presented in the form of sensor " s performance parameters as functions of its various geometric parameters. from the point of view of capacitance measurement and image reconstruction, a set of suitable design parameters is found

    文摘:用有限元法探討了12電極電容層析成像系統中傳感器子系統的計算機輔助設計( cad )問題,並研究了圖象重建的情況.以系統性能參數作為傳感器各種幾何參數的函數的形式給出了設計結果.從電容測量和圖象重建的角度出發,找到了一組合適的設計參數
  16. For such capacitance measurement, there are several method such as resonance, charge / discharge, ac bridges, and so on. these method are all implemented by analog device with analog output. with the maturity of the digital ics, some digital method comes up

    針對這種微小電容的檢測,目前的方法主要有諧振法、充放電法、交流電橋法,這幾種都是利用模擬器件實現,輸出均為模擬量。
  17. Acoustic capacitance measurement

    聲容測量
  18. ( 2 ) hardware design of difference frequency capacitance measurement circuit, including the structure of sensor, analysis on several relative measurement circuits, periphery circus design. debugs and practically measures it

    ( 2 )進行了差頻式電容測量電路的硬體設計,主要包括:傳感器結構設計,各種微小電容檢測電路的對比分析,差頻式檢測電路設計,溫度檢測電路設計以及存儲電路設計。
  19. But there are some problems and difficulties in ect designs and ect applications. the topics of this dissertation are small capacitance measurement that is a key part in ect designs and ect applications, high - speed data acquisition system design and ect applications in two - phase flow parameter measurement

    本文針對制約電容層析成像技術發展和應用的微弱電容測量和數據採集速度等問題進行了深入研究,研製了一套高速電容層析成像系統並在氣液兩相流流型識別和空隙率測量以及流化床固相含率分佈量化監測上得到成功應用。
  20. In this paper, author goes deep into analysing dielectric property of grain in theory, and brings forward a difference frequency capacitance measurement method based on the analyse of several micro - capacitance measurement methods. at the same time, a mathematics model of moisture measurement is given, which depends on data merging surround moisture, difference frequency, temperature and weight by multi - element regression

    在本次畢業設計中,作者對此進行了較為深入、系統的研究,從理論上分析了糧食的介電特性,在對比分析了幾種微小電容測量方法的基礎上採用了差頻式電容測量方法,並採用多元回歸分析法對水分、差頻、溫度、重量四種測量數據進行了數據融合,提出了糧食水分測量的數學模型。
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