計量放大器 的英文怎麼說

中文拼音 [liángfàng]
計量放大器 英文
meter amplifier
  • : 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...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : releaseset freelet go
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 計量 : calculate; estimate; meterage; metering; batching; measure
  • 放大器 : amplifier; pantograph; lawnmower; enlarger; magnifier
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. Choosing y type reflection fiber optic detector, this thesis create a tiny displacement - detecting sensor that is made up of led ( light emitting diode ), fiber optic detector, electric eye, lock - in amplifier, display and other electro circuits

    本論文採用y型反射式光纖探頭設製作了一種微位移測裝置,它主要由發光二極體、光纖探頭、 、鎖相、顯示及相關電路組成。
  2. The measurement amplifier is designed to be installed in a control cubicle and can be put on a carrying rail in a top hat rail housing made of extruded sections

    這個測是設安裝在控制機箱內,也可以安裝在由擠壓型材製成的頂帽式導軌外殼的承載軌上。
  3. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中,首先介紹模數轉換的各種參數的意義,以及一階sigma - delta調制和高階sigma - delta調制的原理;給出解決高階單環sigma - delta調制不穩定性的方案,引入級聯結構調制,特別針對級聯結構調制中的失配和開關電容積分的非理想特性進行詳細的討論;本設的sigma - delta調制採用2 - 1級聯結構和一位,調制採用全差分開關電容電路實現;同時對整個調制的各個模塊進行了電路設,包括跨導、開關電容積分、兩相非交疊時鐘等,並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制進行行為級模擬。
  4. The determination of human thymidine kinase ( htk ) in human serum, which is a key indicator of cancers can give information for the diagnosis and treatment of the malign diseases. the protein a layer was first self - assembled onto the gold electrode surfaces of quartz crystals, the monoclonal antibodies were then orientedly immobilized through the specific binding between the fc terminals of the antibodies and the self - assembled protein a. with this sensor, the affinity constant of antigen - antibody binding was estimated to be 1. 85 106 l / mol according to the scatchard ’ s plotting method, which proved the high bioactivity of antibody. finally, an amplified piezoelectric immunosensor was designed to determine the htk in

    實驗中將蛋白a吸附於鍍金壓電石英晶體電極表面,用於定向固定htk單克隆抗體,成功研製了檢測htk的壓電石英晶體傳感,並基於標準scatchard繪圖法,算出免疫反應的親和常數為1 . 85 106l / mol ,證明該單克隆抗體具有較高的免疫活性;同時基於酶催化沉澱技術,設了的檢測htk的質壓電石英晶體傳感,該傳感可在0 . 1 - 10ng范圍內對htk進行定檢測,應用此傳感成功地對5種癌癥病人血清中htk的濃度進行了測定,實驗結果為癌癥的臨床診斷與治療提供了參考。
  5. In the part of the transmitter, the pre - amplifier logarithmic amplifier, temperature complement circuit, anti - disturbing circuit, and v / i circuit, are discussed. the transmitter outputs 4 - 20ma. in the part of the displayer hardware design, the i / v convert circuit and the flame intensity signal processing circuit are introduced

    在探頭的設中,詳細介紹了前置對數電路設,在對數加入了溫度補償電路和抗干擾電路,以保證測精度和較程,最後信號經電壓電流的轉換,得到4 - 20ma的標準信號作為探頭的輸出信號,進行遠傳。
  6. The improvement system is made up of the pressure sensor, flow sensor, displacement sensor, electro - hydraulic proportional flow control valve, power amplifier, data gathering board and computer. the platform can carry out testing the hydraulic parameters, processing the tested data, saving the processed data and drawing, adjusting the pressure automatically

    改造后的測控系統主要由壓力傳感、流傳感、位移傳感、比例節流閥、功率、數據採集卡和算機組成。改造后的實驗臺具有自動採集實驗數據、自動處理實驗數據、自動保存實驗數據、自動調節液壓系統負載壓力等功能,提高了實驗臺的工作效率、測試精度和智能化水平。
  7. We have designed different measurement instruments according to the methods. the instrument used to measure electrode is a high precision multi - channel system constructed with a iaadc as the core and high input impedance amplifier and low input current multiplexer

    對于硫屬玻璃電極,我們設了以高精度的adc為核心,配以高輸入阻抗低噪聲的前置和低漏電流多路模擬開關的多路精密電極測系統。
  8. Topics covered include : properties and advantages of feedback systems, time - domain and frequency - domain performance measures, stability and degree of stability, root locus method, nyquist criterion, frequency - domain design, compensation techniques, application to a wide variety of physical systems, internal and external compensation of operational amplifiers, modelling and compensation of power coverter systems and phase lock loops

    所涉及的主題包括:反饋系統的特性和優勢,時域和頻域性能度,穩定和穩定度,根軌跡法,奈魁斯特準則,頻域設,補償技術,種類繁多的物理系統應用,運算的內部和外部補償,能轉換系統的建模和補償,以及鎖相環。
  9. The i - f converter design for very weak current measurement

    微電流的設
  10. Design optimization of the characters measurement system of 4 2 3 multi - slab - amplifier

    3陣列式參數測系統優化設
  11. The calculation of relative variation of the negative feedback amplifier by differential method results in some errors under certain condition, so there was certain limitation in this method

    摘要利用求微分的方法算負反饋增益的相對變化,由於在一定的條件下算出的結果存在一定誤差,因而使用這種方法具有一定的局限性。
  12. Under consideration of the effects of the life time of nd : yag lower level on extracted energy from amplifier, a numerical model and calculation program incorporated the effects of the pulse width on amplifier energy extraction is proposed. the calculated results are compared with the experimental data of a slab mopa dpl system setup previously and then the model is modified according to experimental results

    考慮到nd : yag激光下能級壽對提取的影響,建立了脈寬對提取影響的數值算模型及程序,算結果與已建立的板條mopadpl系統的實驗數據進行了比對並對程序進行了修正,提高了程序的可靠性。
  13. How to improve the efficiency of the energy transforming is the emphasis and difficulty in designing such amplifier

    如何提高能轉換效率,是設該類的重點和難點。
  14. By means of comprehensive study of the whole process to derive the calculation of relative gain variation, a mathematical formula how to make a well - founded understanding and correct use of the differential calculation method when making every efforts to accurately calculate the relative variation of the closed - loop gain of an amplifier was advanced based on another accurate calculation method given

    因此,本文通過全面考察推導增益相對變化算全過程,根據所給出的另一種準確算方法,重點提出了在要求準確地閉環增益的相對變化時,怎樣正確理解和運用微分算方法的數學表達式。
  15. Based on these foundations, we give a perfect scheme of the bbo opos : single pass amplification coefficient of the opg under different pump intensity is calculated ; collinear type - i and type - ii phase matching tuning curve pumped by the q switch nd : yag various harmonics as well as noncollinear type - i tuning curve are calculated in details ; the effect of the walkoff for the nonlinear effect coefficient and the group velocity matching are analyzed ; the acceptance angle in parametric process is calculated ; the numerical threshold of the bbo opo is calculated ; the process of the saturation and depletion of the pump beam are analyzed ; the relationship of the conversion efficiency and reflectance of output mirror are discussed ; various linewidth controlling methods are discussed ; the improvement of the beam quality applying the unstable cavity is discussed ; and the crystal bbo design is considered

    在此基礎上,給出了一整套bbo - opo激光參數設方案:算了不同泵浦強度下的參倍數;詳細算了在nd : yag調q激光各次諧波泵浦條件下的共線類和類相位匹配的調諧曲線,以及非共線類相位匹配調諧曲線;分析了走離角對非線性系數和群速匹配的影響;算了參過程的允許角;算了bbo - opo的理論閾值條件;分析了飽和與泵浦光束的消耗過程;給出了轉換效率與超過泵浦閾值的倍數的關系;討論了轉換效率與輸出鏡反射率的關系;討論了線寬控制的各種方法;研究了利用非穩腔改善光束質的方法;考慮了bbo晶體的設
  16. 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,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,既保證了數據採集系統的信噪比,又提高了系統測精度。
  17. By formula about effective bandwidth, he get the bandwidth near 1540 nm wavelength, which is 64. 54nm. the bandwidth is more bigger than the gain bandwidth of er - doped silica fiber and fluoride fiber amplifier ( 20nm - 30nm ). it is useful to improve transmitted capacity of information in fiber

    對1540nm處光譜有效帶寬的算,得到結果為64 . 54nm ,這個帶寬已遠高於目前常用摻er硅光纖和氟化物光纖的20 - 30nm增益帶寬,于擴光纖信息傳輸容有很益處。
  18. This paper introduces two types of sensitive charge preamplifier for rn measure device, designing method, debugging process and performance ; and it analyzes the conditions which can be applied

    摘要介紹了兩種用於氡氣測裝置的電荷靈敏前置的實例,給出了設思想、調試過程和技術指標,說明了它們不同的應用場合。
  19. Design of high - performance measurement amplifier controlled by single - chip microcomputer

    單片機控制高性能測的設
  20. This analogue measurement amplifier specially developed for very fast and accurate force measurement is used to adjust the output signal of strain gauge force transducers to make it suitable for information devices or a connected control system

    這款模擬測是特別為快速準確的力測而設的,可以調節應變測力傳感的輸出信號,使之適應信息設備或所連接的控制系統。
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