測量電鍵 的英文怎麼說

中文拼音 [cèliángdiànjiàn]
測量電鍵 英文
measuring key
  • 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
  • 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...
  • 鍵 : 名詞1 [機械工程] （使軸與齒輪、皮帶輪等連接並固定在一起的零件） key 2 [書面語] （插門的金屬棍子）...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. According to the requirements of disign, the system apply mcu at89c2051 to extend 32 keybords, and meantime the system can use battery which can be recharged to supply power. as a whole, the system charact eristic of inputting by keyboard and interacting by chinese characters can display and store spectrum data automatically and accomplish data handling. what ' s more. the system can communicate with other computers by the interface of rs - 232c

    同時，為了實現人機交互，系統採用at89c2051擴展了32鍵鍵盤。在系統的供電方面系統可採用充電電池供電。總體來說，系統採用按鍵輸入，漢字人機對話，能自動顯示和存儲測量譜線，並完成數據處理工作，除此之外，系統可通過rs - 232c與其它計算機聯機使用。
  2. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分： （ 1 ）電路的總體設計和功能； （ 2 ）硬體設計，包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 （ 3 ）系統軟體設計，包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計； （ 4 ）系統測試。
  3. Mixers are the key components of many microwave and millimeter - wave systems. the super - heterodyne receiver is always applied in modern communication system, mixer becomes the key component as is at the first part of system. but it is more and more difficult to get the choiceness lo source of the same band with the system is working at high frequency especially in the millimeter - wave. sub - harmonic mixer is a good solution to this problem now. in this circuit we need just half 、 quarter 、 even 1 / 8 of the rf signal frequency. in this paper the design and fabricate of sub - harmonic hmic mixers ( 2, 4 ) at w - band are introduced

    混頻器是微波通信、射電天文學、雷達、等離子物理、遙控、遙感、電子對抗，以及許多微波測量系統中至關重要的部件。在現代通信系統中，毫米波頻段通常採用超外差接收機，混頻器作為第一級就成為關鍵部件。由於在毫米波頻段，同頻段高性能的本振源成本高，技術難度大，採用分諧波混頻技術是解決此問題的有效途徑，只需射頻頻率1 / 2 、 1 / 4甚至1 / 8的本振頻率即可實現混頻。
  4. The working of this paper is on the basis of prevenient work. according to " marking method " principle, we research on the pivotal technology of intellectualize, light machine and electricity integration and super bigger inner diameter and outer diameter can be measure online, design the big diameter measure instrument model machine

    本論文研究的內容是在以前研究的基礎上，根據「標記法」測量原理，研究智能化、光機電集成、超大內外徑都可在線測量的關鍵技術並製造出實用化大直徑測量儀產品樣機。
  5. 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。
  6. 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。
  7. Sampling measurement technology is vital in the area

    采樣測量技術是功率電能測量技術的關鍵技術之一。
  8. 3 ) the optical fiber sensor used hi oil contamination measurement is also developed. some key techniques such as selection of light source and photoelectric cell, designs of measurement set and flow cell are analyzed. a new orthogonal optics has been presented and virtually improved the reliability of test data

    3 ）研製了測量油液污染度的光纖傳感器，分析了光路設計的各種關鍵技術（如光源、光電接收管的選擇、測量光路和樣品池的設計等） ，設計了正交光路光學系統，有效地提高了檢測信號的可靠性。
  9. According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system

    針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。
  10. 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。
  11. In this thesis, we have mainly studied the characteristics of chf3, c6h6 and cf4 electron cyclotron resonance ( ecr ) plasma using langmuir probe and optical emission spectroscopy ( oes ). the relative concentration of different radicals in chf3 plasma and the effect of chf3 / c6h6 ratio on bond configuration of a - c : f films were discussed. it was showed that h, f, c2 were the main radicals among radicals of h, f, c2, ch and f2 in chf3 ecr plasma

    重點研究了chf _ 3 、 cf _ 4和chf _ 3 c _ 6h _ 6放電等離子體中基團的分佈；分析了不同基團的相對密度隨宏觀放電條件（微波輸入功率、放電氣壓、源氣體流量比）的變化規律；探討了等離子體中各種基團的生成途徑；在不同源氣體流量比的條件下沉積了a - c ： f薄膜並通過傅立葉變化紅外吸收光譜（ ftir ）的測量得到了薄膜中鍵結構的信息；分析了a - c ： f薄膜的沉積速率及其鍵結構與等離子體空間基團分佈狀態之間的關聯。
  12. The electric locomotive is a single - phase rectified load

    交流采樣是牽引供電系統實時測量中的關鍵技術。
  13. Measuring is a key technology during the crash test, " which including the signal of acceleration, the force of fix - counterguard and the responses of passengers. the hardware and software of data acquisition system are the two main points in vehicle base system

    在碰撞試驗中，電測量技術也是關鍵技術，其測量項目包括碰撞過程中的減速度信號、固定壁障的碰撞力和乘員響應的測量。
  14. Based on the relations of wear particles, wear faults and wear mode, main characteristics of wear particles size, origin, shape and granularity are analyzed. on the view of strategies and functions of monitoring, an on - line oil monitoring system is designed and key technologies for development of monitoring system are presented. the inductance and optic - fiber transducer based laboratory are designed and tested

    論文基於磨損顆粒、磨損故障與磨損形式的關系，分析了磨損顆粒的尺寸、來源、形狀和粒度等基本特徵，並從監測策略和功能分析的角度設計了在線油液監測系統，提出了開發中必須解決的關鍵技術，研製了電感和光纖組合測量傳感器。
  15. First we measured s - parameter of the device and package shell. the package shell and bonding wire are expressed with equipment circuit composed of the resistance, capacitance and inductance then acquired the value of component by optimizing using microwave emulation software ( microwave office )

    首先，測量出管殼封裝器件和管殼的s參數，把管殼和鍵合線均表示為由電容、電感、電阻組成的等效電路，再用微波模擬軟體（ microwaveoffice ）優化出元件數值。
  16. Made from thermo electrode, insulation material and metallictube, which are critical to produce sheathed thermocouple assembly and widely used in temperature measurement device for industrial applications

    它是製造鎧裝熱電偶的關鍵材料，廣泛地應用於各工業部門的生產過程中的溫度測量裝置上二熱電偶的工作原理
  17. To satisfy the special need, the development of such a multi - purpose photometric and colorimetric instrument is discussed in this paper. in this paper, advantages and disadvantages of available photometric and colorimetric instruments are discussed first. then, a novel instrument is developed, which possesses the following characteristics : utilizing lcd display, flexible keyboard control, integrating capability to perform both photometric and colorimetric measurement so long as the photoelectric detector is changed to another one and corresponding software is performed

    本論文研究了以往的光度和色度測量儀的優缺點，設計了利用液晶屏的可視化界面，鍵盤的靈活控制，只要換上不同的光電探頭，啟動不同的測量軟體，就能對光度和色度（如亮度、照度、光通量、色坐標等）進行測量的儀器。
  18. Connectors for electronic equipment - tests and measurements - mechanical operation tests - test 13e : polarizing and keying method

    電子設備用連接器.試驗和測量.機械操作試驗.試驗13e :偏振和關鍵方法
  19. The purpose of this paper is to resolve some key technologies of the amplitude - modulation inductive displacement transducer signal processing circuit with nanometer resolution, such as the design of high stability signal generating circuit ; the technology of high precision digital phase - sensitive detection circuit ; the technology of digital filter and linearization, etc

    本文主要研究調幅式電感位移傳感器精密測量系統中涉及的高精度載波信號發生技術、高精度數字相敏檢波技術、數字濾波及線性擬和等關鍵技術，目的是進一步改善調幅式電感位移傳感器精密測量系統的測量精度，適應納米級測量的要求。
  20. 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。
分享友人
分享到 Line

分享到臉書