量程轉換開關 的英文怎麼說

中文拼音 [liángchéngzhuǎnhuànkāiguān]
量程轉換開關 英文
range controltch
  • 量 : 量動1. （度量） measure 2. （估量） estimate; size up
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 轉 : 轉構詞成分。
  • 換 : 動詞1. （給人東西同時從他那裡取得別的東西） exchange; barter; trade 2. （變換; 更換） change 3. （兌換） exchange; cash
  • 關 : Ⅰ動詞1 （使開著的物體合攏） close; shut 2 （圈起來） shut in; lock up 3 （倒閉; 歇業） close down...
  • 轉換 : change; transform; convert; switch
  1. Secondly, the pressure sensor made by motorola co. ltd. in usa is chosen as the key part of the pneumatic - electric transducer. thirdly, the signal processing system of the pneumatic - electric is developed

    第三，研製了氣電轉換器的信號處理電子系統，設計有調零、增益調整、開關轉換擴展量程等功能。
  2. By use of the relationships between the hermite polynomial and the laguerre polynomial, the eigenequations of one - dimensional harmonic oscillator and hydrogen atom are conversed into the same equations in form. therefore the relationships between energy levels and wave functions of one - dimensional harmonic oscillator and hydrogen atom are found. through the coordinates transform, the relationships between energy levels and wave functions of two - dimensional harmonic oscillator and hydrogen atom are found

    首先綜述了諧振子與氫原子的基本理論的研究現狀，並在此基礎上對諧振子與氫原子的關系展開了研究，通過厄密特方程與拉蓋爾方程的相互轉化，將一維諧振子與一維氫原子的本徵值方程轉化為相同形式的方程，從而比較得出它們能量及波函數間的關系，並通過坐標變換將直角坐標系下二維氫原子的本徵值方程轉化成與曲線坐標系下二維諧振子的本徵值方程相同的形式，從而得出二維氫原子與二維諧振子的能量及波函數的關系。
  3. With the development of electronic technology in the field of high - frequency and high - power, power mosfet is gradually enhancing its important status in semiconductor apparatus and is being widely applied in power converters as switch. with the increasing of the operating frequency ( > 200khz ), the energy loss caused by parasitic capacitance will affect the efficiency of power transforming in converters. especially in the applications of high frequency power supply using mosfet as main devices ( the unit of frequency is mhz ), the energy loss caused by the switch process will badly affect its efficiency

    隨著電力電子技術進一步向高頻的大功率用電領域發展，功率mosfet在各種電力半導體器件中的重要地位日益顯著，使用功率mosfet作為開關器件的功率轉換電路也日益增多，但隨著器件開關頻率的提高（大於200khz ） ，由器件極間電容引起的能量損耗將會影響到功率轉換電路的能量傳輸效率，特別是在以mosfet作為開關器件的高頻感應加熱電源中（工作頻率可達兆赫） ， mosfet在開關過程中的能量損耗嚴重影響到電源的效率，因此如何減小開關器件的損耗提高高頻功率轉換線路的效率成為電力電子技術領域的重要研究課題之一。
  4. The distributed plc system of the floodgate ' s opening measuring presented by the paper has many advantages such as high reliable operation, high measuring precision, having the network communication function, convenient installation and correction, etc. this thesis further studies the key device for the floodgate ' s opening measuring, the rotary encoder, selects the absolute rotary encoder adopting the binary cyclic code, studies the method for transforming the cyclic code to the binary data and according to the transforming formula designs the ladder diagram program

    本論文研製的分散式plc閘門開度測量系統具有工作可靠、測量精度高、具有聯網通信功能、安裝和校正方便等特點。本論文深入研究了閘門開度檢測的關鍵器件? ?旋轉編碼器，選用了採用二進制循環碼編碼的絕對式旋轉編碼器，研究了將二進制循環碼轉換為二進制數的方法，根據轉換公式設計了plc的梯形圖轉換程序。
  5. 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。
  6. At the first level, the influence of the monetary policy on the price of currency which takes interest rate and exchange rate as its central variables is illustrated, emphases are placed on the influence channel and the impact during the system transmission period under the open - economy conditions ; at the second level, the author analyzed the mutual influence between interest rate and exchange rate and placed emphasis on the equilibrium of the above two central variables when the management differentials ( or control methods differentials ) exists in the market in the open economy ; at the third level, through the influence of the changes of interest rate and exchange rate and other information on the price of the general financial assets, the author tried to analyze the transferable system of price at different levels and the formation of equilibrium

    第一層次是貨幣政策實施過程中對以利率和匯率為中心變量的貨幣價格的影響，重點分析經濟開放條件下處于制度轉換過程中的市場影響途徑及效應；第二層次是利率與匯率之間的相互影響，重點探討開放條件下市場存在管理差別（或控制手段差異）時的兩中心變量的均衡關系；第三層次是利率和匯率及其它信息變化對一般性金融資產價格的影響，試圖分析各層價格的傳導原理及均衡關系的形成。並對已有價格關系式和結論進行修正和推廣。
  7. Before the development of the system, the article describes the above - mentioned aspects, as the bases of the system development. the article emphasizes related auto - controlling technologies : open - 100p and close - 100p, and control mode of negative - feedback, the scatter and quantization of the simulate signal, the conception of a / d and d / a conversion and code / encode, the basic sampling principles of the simulate signal. the article introduces the operation method and process of the system by means of the load spectrum

    文章對相關的理論進行了陳述，以作為系統開發的理論依據，重點闡述了自動控制系統中包括開環閉環在內的幾大主要控制模式，以及有關的負反饋控制方式，模擬信號的離散與量化，模數轉換、數模轉換、編碼譯碼的概念，及模擬信號采樣的基本原理? ?采樣定理，並以載荷譜法為例，簡述了所研究的系統將要採取的工作方式及工作過程。
  8. It ’ s a 16 / 32bits risc cpu based on arm920t ip core, which is highly integrated and powerful. this cpu has a lot of peripheral interfaces and i / o ports, which will facilitate our system design. the asic ime6400 is a system level chip which supports the multi - channel mepg4 video / audio compression. in our design, it ’ s served as an video compression oriented co - processor working under the control of s3c2410x. s3c2410x will do the job of importing the other vehicle traveling data such as analog and switch signals

    在筆者設計的系統中， ime6400作為專門進行數字視頻信號壓縮的協處理器，與s3c2410x協同工作，完成視頻信號的獲取，壓縮等工作;同時利用晶元的片內外設（如ad轉換器和i / o口） ，完成汽車行駛過程中開關量和模擬量的獲取和存儲，以滿足一個記錄儀的基本功能需求。
  9. Through the equivalent transformation between the linear combination relation of the father - son state in the state equations and the incidence relation of the father - son state nodes in the weighted network, it is realizable to build the block contact of the general structure and the system state variable is the earliest starting time, and collect the incident matrices of the dividing branch nets in whole net, then the parameter matrices of the state space model are obtained

    通過狀態方程中父狀態與各子狀態之間的線性組合關系與塊網中父狀態結點和各子狀態結點之間的帶權父子關聯關系之間的等價轉換，實現以工序的最早開工時刻為狀態變量的系統狀態模塊和泛模塊的介面與提取總網「劃分子網」的關聯矩陣得到狀態空間模型的參數矩陣。
  10. 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。
  11. The theory mentioned in this paper is a kind of traveling wave method. it overcomes the limitations in theory and short - comings of big errors, realizes the fault ' s checking system by a pc bus industrial control computer, adopts swift a d translation. monitoring on - off switch, warning device when the fault appears

    本文所闡述的理論是一種行波法，它克服了理論上的局限性和誤差大的缺點，應用計算機進行電力系統暫態過程的數字模擬和計算程序，是分析電力系統故障的有力工具，採用pc總線工控機，選用快速a d轉換、開關量測量、出現故障聲光報警。
  12. But with the improvement of design and test technique, translating the test vector from the design to test system is becoming more and more difficult. so how to solve the difficulty efficiently is an important research direction. this dissertation studies the different test vector format languages and ic test program languages, introduces test development system architecture and components, discusses the key issues in practical application of test vector translation and gives the solutions

    本文研究了多種測試向量格式語言和測試程序語言，系統介紹了測試開發系統的體系結構以及各個組成部分，介紹了當今的測試開發系統方面的研究成果，詳細分析了在測試向量轉換系統中的測試向量周期化轉換的關鍵問題，並給出相應的解決方法及其演算法實現。
  13. The paper first introduces the researching background and the significance of the system, then brings out the designing parameters including a / d conversion, acquiring sixteen digital parameters, counting frequency and shut on or off generators and managing program

    接著提出了發電機組監控儀的技術指標和要求，主要包括a d轉換、十六路開關量採集、測頻及遠程開關發電機、后臺管理程序等幾方面內容。
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