電位計測量術 的英文怎麼說
中文拼音 [diànwèijìcèliángshù]
電位計測量術
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...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 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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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。The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested
在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取同步信息; 2 )用積分投影、微分定位的方法進行相位檢測,實現可靠的鎖相和電子穩像; 3 )將電子穩像技術用於重加濾波和梳狀濾波的濾波方法,改進了濾波效果; 4 )通過檢測圖像信息熵實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀器定標的標準測試圖,可以對泄漏信息進行定量檢測。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。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。Based on these characteristics we adopted a project which combines the wire and wireless technology when it is in research. the design of image processing card which is used to process the data of monitoring site with the technology of pci bus is completed. the design of the circuit of sending and receiving information which is the analogue measuring date of temperature and humidity of monitoring site with blue - tooth technology and the design of circuit of sending and receiving & processing alarm data which is generated when emergency happens in monitoring site with rf technology are completed
根據家庭安全系統應具備點位布控靈活、明線不宜太多以及架設與拆卸必須方便的要求與特點,本系統在研製時採用了有線與無線技術相結合的解決方案:利用pci總線技術完成了用於監控場所景況數據處理的圖像採集處理板的設計;利用藍牙技術完成了用於監控場所溫度、濕度等模擬量測量的信息發送電路和信息接收處理電路的設計;利用rf技術完成了用於監控場所緊急情況報警的告警發送電路和告警接收處理電路的設計。Firstly, the system has a good snr and high accuracy, which is owed to wideband operational amplifier being used, accurate adjustment by da, 12 - bit high sampling ad converter being applied. secondly, data transmission becomes less by using forecasting code technology and dictionary compress technology, which are run by dsp on board
本採集系統採用400mhz增益帶寬積的運算放大器,運用da高精度校準技術,並選用高采樣率低噪聲的12位ad轉換晶元進行模擬電路和ad轉換電路設計,既保證了數據採集系統的信噪比,又提高了系統測量精度。The traditional level measuring methods can n ' t meet our demand because the subjective investigated is in such a poor systemic condition that the temperature is a little high and there ' s so many mill dust and steam there. in this article we perform systemic discuss and research against the dynamic level measuring method under special working condition on the basis of analyzing kinds of level measuring technique in and abroad. first we establish the pressure distribution mathematic model in storage bin and then deduce the mathematic relation between level height and the uniform stress on the bottom of the bin and designed a resistance compressive stress sensor used for the special condition and put forward a resoivement according to its zero excursion existing in practical use
由於本研究系統被測對象環境溫度較高且潮濕,同時料倉中有大量粉塵及蒸汽,因此傳統的料位檢測方法不能滿足本測試要求。本文在分析國內外各種物位檢測技術的基礎上,針對特殊工況下動態物料高度的檢測進行了系統的探討與研究。首先建立了料倉中的壓力分佈數學模型,推導出料位高度與倉底均布壓力間的數學關系式,並據此設計了中溫電阻應變式壓力傳感器,同時對它在實際應用中存在的零點漂移等問題提出了改進措施,提高了傳感器性能,解決了上述特殊工況下動態物料檢測的技術難題。Based on that, the system developed for ablation area measurement combines mechanics, optics and computer organically, according with the development trend of instrument towards high precision > integration and intelligentizing. it has been in work with excellent efficiency
據此所研發的燒蝕面積測量系統順應測量儀器精密化、集成化、智能化的發展趨勢,將機電、光電和計算機技術有機地融為一體,實際運行中,在效率和速西安理工大學碩士學位論文度上達到良好的效果。The device can measure reactive parameters in distribution power net which are generally considered to he difficultly measured the paper also introduces the calculating method of the reactive compensation capacity and its optimal location, the design method and realization principle of the series devices, such as the reactive power acquisition device, the reactive power optimized controller and the compensation capacitor operator, is seated in detail through economic and technical comparison, a realistic hardware scheme of reactive power compensation system is proposed
文章利用電磁感應原理和數字通訊技術結合試驗設計出電源自給式高壓線路無線信號採集裝置,解決了配電網分支線路無功參數不易測量的問題。文章還介紹了系統無功補償容量及安裝位置的計算方法,較為具體的講述了無功功率採集器、無功優化控制器以及補償電容操作器等一系列裝置的設計方法和製作原理。通過經濟技術比較提出了一整套切實可行的無功補償系統硬體製作方案。The meter ( which is called pccm2002 for short ) is designed on the basis of mcs - 51 single - chip microcomputer technique. the hardware is composed of single - chip microcomputer module and electrochemical module. the single - chip microcomputer module can be divided into five parts, cpu circuit, a / d and d / a circuit, peripheral memory circuit, i / o interface circuit, distributing address circuit ; the electrochemical module is made up of potentiostatic circuit, galvanostatic circuit, potentiostatic - galvanostatic ( p - g ) conversion circuit, signal measuring circuit. the software of the meter is edited by c51 language, it is well - structured and module. all program modules have been linked into an executable files after compiled separately, then copy to eprom
恆電位控制下的恆電量智能化腐蝕監測儀採用基於mcs - 51單片機技術的智能化設計,儀器硬體由單片機系統模塊和電化學介面模塊組成,單片機系統模塊包括cpu電路,片外存貯器擴展電路,模數和數模( a d和d a )電路,輸入輸出( i o )介面電路,地址分配電路,各電路模塊通過系統總線交換信息;電化學介面模塊主要由恆電位電路,恆電流電路,恆電位-恆電流( p - g )轉換電路,信號放大與採集電路組成。Reactive power are calculated using the new algorithm. on the basis of analyzing different kinds of control strategies of var compensation, the paper applies the criterion of voltage and var to control switching and illustrates a improved mode of switching capacitor which can prevent the switched - capacitor from the impacting of instantaneous rush currents by means of zero - crossing triggering of scr components, and can realize auto - tracking var and auto - switching shunt capacitor bank. initial operating parameters are stored in information flash memory of the mcu using flash self - programming technique in order to decrease complexity of the circuit and improve stability
高壓智能無功補償控制器以flash型16位單片機msp430f149為控制核心,採用了一種相角實時測量的新演算法,並在此基礎上計算出了功率因數、有功和無功,減少了運算量提高了精度;在分析了各種無功補償控制策略的基礎上,以母線電壓和無功功率復合判據控制投切,並提出一種改進的電容器投切方式? ?暫態投切控制晶閘管過零觸發,避免了電容器投切時的電流沖擊;穩態運行時接觸器替代晶閘管,實現無功補償的自動跟蹤和電容器的自動投切,解決了投切時的暫態電流沖擊和穩態時可靠運行的難題;控制器的原始運行參數採用flash自編程技術,將其保存在msp430f149片內的信息flash中,簡化了硬體電路,大大提高了系統的可靠性。Based on laser - scanned inspecting technology, grating displacement measuring technology, close - loop servo control technology, computer real - time control and data processing technology, a bullet corre dimension optoelectronic comprehensive measuring system is presented, which is used to non - contact measurement of dimensions for the bullet core part of armor - piercing bullet
基於激光掃描檢測技術、光柵位移檢測技術、閉環伺服控制技術和計算機實時控制與數據處理技術,提出了一種用於穿甲彈彈芯零件尺寸非接觸測量的彈芯尺寸光電綜合檢測系統。At present, there are various methods of moving vehicle detector and identification. the system we designed for traffic information makes use of the principle of electromagnetic induction and radio frequency identification the moving vehicle detector, which is based on inductive circular loop, detects the information of vehicle according to the inductive signal. the basic information including speed and go through time can be detected to analyze oscillator frequency
目前現行的車輛檢測與識別系統的種類繁多,本系統基於電磁感應理論和射頻識別技術,採用環形線圈作為數據採集傳感器,通過對振蕩器的頻率計數測量到車輛的通過、速度等基本信息,同時啟動射頻識別系統,使讀寫器與安裝在車輛上的非接觸ic卡進行無線通訊獲取通過車輛的類型和所屬用戶等數據,並將有關數據通過rs232串口送至上位機。In signal processing circuit, the key of our study, based on methods of mcu + cpld and a / d converter, a time interval measurement unit is done, in which an isp cpld counter is carried out to judge laser pulse for controlling counting and offering signal of time series and control, and a count quantization error measurement circuit which main ramp circuit and 12 bits a / d conversion circuit guarantees the resolution of system
信號處理部分是本文研究的關鍵,採用mcu + cpld的設計方法和模數轉換技術構成時間間隔測量單元的理論基礎,其中用可在系統編程的cpld計數器實現了對循環光脈沖的判斷以開關計數,並提供計數量化誤差測量電路相應的時序和控制信號,用斜坡電路和12位a / d轉換電路完成對計數量化誤差的測量,保證了系統的解析度。30mhz measurement of quartz crystal unit parameters by zero phase technique in a - network ; part 4 : method for the measurement of the load resonance frequency fl load resonance resistance rl and the calculation of other derived values of quartz crystal units, up to 30 mhz
用型網路的零相位技術測量石英諧振器參數.第4部分:石英晶體元件負荷諧振頻率fl負荷諧振電阻rl的測量方法,以及石英晶體元件其他導出值的計算方法An auto - detecting method of the gauge with pointer that is based on digital image processing technique, high precision grating technique and step motor control technique is presented. there are advantages of high precision, high efficiency and auto - detecting for apply digital image processing technique to detect precision of the gauge with pointer ; moreover, it ’ s helpful to improve system ’ s resolution when high precision grating technique is applied to measure micro displacement ; also it makes system more automatic to control step motor in computer via step motor control card
本文研究的指針式儀表的自動檢定方法是基於數字圖像處理技術、精密光柵測量技術以及步進電機控制技術的,將數字圖像處理技術用於指針式儀表的檢定,具有精度高、效率高、易於實現自動測量等優點;另外,將精密光柵測量技術用來測微位移,有利於提高系統的解析度;還有,通過步進電機控制卡來實現在計算機上對步進電機的控制,提高了系統的自動化程度。分享友人