電位測量術 的英文怎麼說
中文拼音 [diànwèicèliángshù]
電位測量術
英文
electrometry- 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...
- 位 : Ⅰ名詞1 (所在或所佔的地方) place; location 2 (職位; 地位) position; post; status 3 (特指皇帝...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 術 : 術名詞1. (技藝; 技術; 學術) art; skill; technique 2. (方法; 策略) method; tactics 3. (姓氏) a surname
- 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
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Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。This multi - purpose optical metering system had adopted the twyman - green interferometric system as its center, containing an advanced digital wave surface interferometry and a kind of homodyne interferometer displacement testing method with nanometer - sized capacity. at the same time, many wide - applied metering technology, for example, the diffracted field ( fringe ) measurement, co - focal lens system, optical fiber sensors and 4f ( focal distance ) space filter system which can embody the chief principle of fourier optics well, were combined into it successfully. this instrument can firstly offer and show modern optical testing method in the laboratory for majors of information processing, instrument science, measuring and testing technology and automatic technology
該多功能激光光電實驗系統以泰曼-格林干涉( twyman - green )光路作核心,包括先進的數字波面干涉技術和一種基於空間干涉原理的、納米解析度零差干涉儀位移測量方法,同時將多種新穎、工程實用價值高的測量技術和光路如衍射測量、共焦顯微技術、光纖傳感技術以及反映傅立葉光學基本光學原理的4f空間濾波系統也組合進去。After analysing several kinds of light - weighting structures through ansys, hexagonal speculum structure is confirmed. in the aspect of the controling of speculum, the paper adopts the brushless dc motor which is partial assembled to drive the point speculum and the inductosyn as angle measuring component is selected, the ad2s80a the system is used to get directly angle and angular velocity. double closed - loop speed and position control is designed, as the pid control is the well - developed algorithm, which can achieve stable rotation and precise position control
在指向反射鏡的擺動控制方面,採用低速性能好的分裝式直流力矩電機作為指向反射鏡的驅動電機,並採用感應同步器作為角度測量元件,運用軸角轉換器ad2s80a進行角度和速度的輸出,採用技術成熟的pid控制方案,進行速度和位置雙閉環控制,以實現指向反射鏡轉動速度的平穩性和位置的精確性。Abstract : in fourier transform profilometry, because of the nonlinear relationship between the irradiant incident upon a ccd dete ctor andthe voltage it outputs, it will cause phase evaluation errors. here, we ex plain the errorsource by theoretical deducing, then make a simulation. at last, a method to decrease thiserror is put forward
文摘:在傅里葉變換輪廓術中,由於ccd探測器光電響應的非線性,將在測量中引入高次項,從而對相位的求解造成較大誤差,通過理論的推導定性地解釋了誤差的來由,並用計算機進行了模擬計算,最後提出了減小誤差的方法。This paper studies the inductive displacement transducer ’ s structure and its measuring principle, also studies the whole classical measurement system and analyzes its merits and drawbacks according to related experimental findings. to get rid of classical measurement system ’ s drawbacks such as low stability, narrow linear measuring range, etc. and improve measuring system ’ s performance index, this paper ’ s improves several key technologies in the high - accuracy measuring circuit
本文研究了電感位移傳感器的結構、測量機理以及其整個測量系統的系統架構,並通過試驗認真分析了傳統的電感位移傳感器精密測量電路的優缺點,結合本課題的研究需要和技術要求,對傳統電感位移傳感器測量系統穩定不高,線性測量范圍小等不足之處進行了改進。The instrument is integrated with a multi - channel high precision open circuit potential measurement system for the ion selective electrode and a potentiostat used in voltammetry, an analog lock - in amplifier is also presented to measure the response of light addressable potential sensor
對于不同的測量技術,儀器中集成了用於測量電極的多通道高精度開路電壓測量系統和用於溶出伏安法測量的多路電化學測量系統,以及用於測量光尋址電位傳感器的鎖相放大器。Based on an analysis of the major factors affecting the quality of data obtained in aeroelectromagnetic survey, this paper has put forward zero horizontal drift correction methods such as field value standardization and phase check and correction, studied and developed a suite of techniques suited to data - processing and graphical representation for aeroelectromagnetic method
摘要在分析探討影響航空電磁測量數據質理主要因素的基礎上,提出了場值標定,相位校驗改正等零水平漂移改正方法,研究開發了一套適合航空電磁法數據處理與圖示的方法技術。In this paper, rebar corrosion state was judged with three electrochemical nondestructive measuring technologies, i. e. half - cell potential, a. c. impedance and time potential. when the rebar was transformed from passivation to depassivation, it can obtain the chloride ions corrosion critical content through taking and analyzing chloride ions content around the rebar
本文利用半電池電位法、交流阻抗法和時間電位法三種電化學無損檢測技術判斷評估試件在試驗過程中鋼筋腐蝕狀況,當鋼筋由鈍化狀態轉為活化狀態時,取樣分析鋼筋周圍氯離子含量,得到了不同技術條件混凝土的氯離子臨界濃度。Di - on electric one of the beijing hi - new - tech enterprise develop and manufacture lots of equipment like sf6 dewpoint meter dp100, cable fault location system cfl6000 and more. di - on electric supply the most advanced technology and equipment on such as gis surge arrestor on line monitoring, resistance measuring, ac dc metrology, thermal - temperature bridge, power transformer diagnostic and testing, cable diagnostic and fault location, sf6and oil moisture measuring, oil treatment and testing, optic fiber temperature monitoring, circuit breaker testing, relay testing and more
迪揚電氣在gis和避雷器的帶電測試與故障診斷分析,電力電纜的故障定位與局放檢測,變壓器電抗器的各種測試診斷與溫度監測, sf6的水分測量與回收,絕緣油的測試分析與濾油處理,紅外測溫與光纖在線測溫,以及各種電阻測試與計量,溫度計量與電能計量等方面擁有世界一流的技術與成熟的儀器設備。In large dimension measurement techniques, on the two - dimensional optical microscopy work platform displacement signals collection, the introduction of raster feet to achieve large dimension measurements designed raster signal acquisition circuits, a collection of analytical studies of the key circuits, the corresponding solutions, and discussed work platform displacement signals, image data and the actual dimension ; meanwhile driving mechanism designed electrical circuit, laying the foundation for the measurement of two - dimensional work platform automatically
在超屏幕尺寸測量技術中,關於二維光學顯微工作臺位移信號採集,採用了光柵尺來實現超屏幕尺寸測量,設計了光柵信號採集電路,分析研究了採集電路中的關鍵性問題,提出相應的解決方案,並討論了工作臺位移信號、圖像數據與實際尺寸的關系;同時設計了電機驅動介面電路,為二維工作臺自動測量奠定基礎。One thick necks ’ thickness measuring instrument with high precise and high efficiency is researched in this dissertation. one special flexible hinge gauge head is designed, differential solenoid inductance displacement sensor is chosen and modern micro - processing technology is used to meet the demand of measuring accuracy
本文通過設計一種專用柔性鉸鏈測頭,採用差動式螺管型電感位移傳感器並結合現代微處理技術,對撓性接頭細頸厚度的高精度高效率測量裝置進行了研究。In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology
為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結構,其中每個軸向上均採用帶折疊梁的雙側叉指電容結構,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬量程、非線性誤差小、外圍電路簡單等優點;對設計的敏感元件結構參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結構的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用差動測量技術得到由振動引起的微小電容變化量,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度成正比的電壓信號。Taking the vr step motor as example in the paper, systemic research is conducted about the principle of the subdividing drive, the non - linearity relationship between microstep and phase current, the method of velocity adjusting and the interrelated factors. the system is designed to realize the subdividing drive, velocity adjusting and position. especially, there are two innovations in this paper. one is the first introduction of pld device and isp technology to the design of phase sequencer, the other is the new measure and amend method of microstep
本文以三相反應式步進電機為實例,對細分驅動原理、細分驅動的非線性、變細分調速以及相關影響因素進行系統的研究;實現細分驅動器、調速控制、定位控制和軟硬介面的設計。在此基礎上,本文對細分驅動環形分配器的設計和微步距測量修正進行了創新;提出將pld器件和isp技術引入到細分驅動環形分配器的設計思想和錯位測量和逼近修正法。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With these machine and technology of modern elctrician measurement, we can find the danger without touch, off - power, which did not influence ordinary work
利用遠紅外測量技術和超聲波探測技術結合現代電工測量技術,可以在非接觸、不斷電的情況下進行電氣消防安全檢測,不影響受檢單位的正常工作。It has many unique advantages compared with laser interferometry. and it can achieve higher accuracy and resolution than traditional geometry moir. it has been proved to be very useful in many practical applications, such as microelectronics, ultra - precision manufacturing, bioengineering, medicine, space technology, and material science, etc. in this dissertation, key technologies of nanometer displacement measurement by grating interferometry are systematically investigated, which mainly include measuring theories, designing grating interferometer and new subdividing method for moir interference fringes
作為能夠實現納米級位移測量的技術之一,光柵干涉位移測量技術具有激光干涉儀不具備的獨特優點,可以獲得比幾何莫爾術更高的測量準確度、更高的解析度,在諸如微電子、超精加工、生物工程、未來醫學、航天技術、材料科學等眾多領域有廣泛的應用前景。The interpolate technology just like a " ruler ", the resolving power of the " ruler " affect that the sampling points are arrayed correctly on time axis, and is determined by the multiple of the double slope integral amplifier. so it is core in the whole project. the project apply the complicated program logical device ( cpld )
內插技術的應用使得隨機采樣理論能夠得以實現,內插技術相當于測量用的「尺子」 , 「尺子」最小分辨能力決定了最後采樣點重新在時間軸上位置排列的真實可靠程度,這里尺子的最小分辨能力是由雙斜率積分時間擴展器放大倍數決定的,所以說該模擬充放電放大電路在整個方案中是個很關鍵的部分。Ph measurement - measuring methods with potentiometric cells - terms and definitions
Ph值測量.電位測量電池測量方法.術語和定義Automatization and intelligent are the general developmental inclination in instruments and meters, the intelligent corrosion monitor based on microcomputer technique has been a new direction in corrosion monitoring. the process and tendency at home and abroad in intelligent corrosion monitor are reviewed in this paper, at the same time, an coulostatic corrosion monitor under potentiostatic control has also been introduce, which widen the application of coulostatic technology
智能化和自動化已成為當今儀器儀表發展的潮流,以計算機技術為控制內核的智能化腐蝕監測儀成為腐蝕監測重要發展方向。本文綜述了腐蝕監測儀的發展過程,並對其發展趨勢進行了分析,研製了恆電位控制下的恆電量智能化腐蝕監測儀,擴大了恆電量法在腐蝕監測中的應用范圍。At present the usual methods of liquid level measurement is mostly based on the measurement and transmission of electrical signals, so it brings inflammable and explosive problems. according to measurement requirement under the special circumstance, the author of this paper presents the oil tank monitoring system based on the optical fiber technology
目前常用的液位測量方法大多以電信號進行測量和傳輸,因而帶來了防燃防爆等問題。本文針對特殊工況下的測量現場要求,提出基於光纖傳感技術的油罐監測系統,它與傳統的測量系統相比,測量現場完全無電,可應用於易燃易爆場合。分享友人