量程變換開關 的英文怎麼說

中文拼音 [liángchéngbiànhuànkāiguān]
量程變換開關 英文
range changing switch
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
  • : 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
  • : 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...
  1. And the interfaces have analog input, analog output and digital input / output. we have used differently cards, such as pc - 6330d a / d card, pcl - 728 d / a card based isa bus, ipc - 5375 i / o card and so on. in addition, we select micro - stir switches and pressure sensors as sensor elements to inspect the system and choose relays and induction valves to control the bicycle pump and the motor

    總線採用isa內部總線;介面主要有模擬輸入介面、模擬輸出介面、輸入輸出介面等,課題分別選用pc - 6330d型a d板卡、基於isa總線的型號為pcl - 728的d a板卡、型號為ipc - 5375的i o板卡;另外,課題選用了微動式行、壓力送器作為傳感元件檢測系統,選用繼電器、電磁控制向閥實現對氣缸、電機的控制;採用vc + + 6 . 0編制控制軟體,實現了纖維鋪放技術的計算機控制。
  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系展了研究,通過厄密特方與拉蓋爾方的相互轉化,將一維諧振子與一維氫原子的本徵值方轉化為相同形式的方,從而比較得出它們能及波函數間的系,並通過坐標將直角坐標系下二維氫原子的本徵值方轉化成與曲線坐標系下二維諧振子的本徵值方相同的形式,從而得出二維氫原子與二維諧振子的能及波函數的系。
  3. 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,發了上位機監控軟體,其中所作的具體工作包括:測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,分別是旋轉編碼器法、液位壓力傳感器法和可電阻器法;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,包括信號的轉和在單片機內的運算;高集成度16位模數轉晶元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總線系統的系,並完成了序設計;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。
  4. In this part, the high - frequency series inverter with resonant pole capacitor is introduced mainly. the current - exchanging processes of the inverter in different working modes are analyzed, how to reduce the switching loss is discussed, and the calculating methods of snubber capacitor c, factor angle switching frequency and pulse width pw are given in optimum switching process. and results of simulation and experiment verify the validity of theoretic analysis

    接著重點研究了含有諧振極無損緩沖電容的逆器,對其流過中的不同工作狀態進行分析,討論了如何減小逆器的損耗,給出了最佳工作狀態下緩沖電容c 、感性角、頻率、觸發脈沖的脈寬pw的詳細計算方法,並通過大的模擬和實驗波形證明了理論分析的正確性。
  5. 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中對以利率和匯率為中心的貨幣價格的影響,重點分析經濟放條件下處于制度轉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,重點探討放條件下市場存在管理差別(或控制手段差異)時的兩中心的均衡系;第三層次是利率和匯率及其它信息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系的形成。並對已有價格系式和結論進行修正和推廣。
  6. According to the theory of engineering thermodynamics and phase change, heat - transfer process of the special working fluid heat - pipe stove is analyzed. some hypotheses are postulated and with the help of equation of mass - conservation, energy - conservation, the dynamic concentrative parameter model is built, the change of each parameter is prescribed at any stage from starting to stopping. with the thermodynamic calculation of burnable process, the parameter of device, such as heat - transfer coefficient / thermal efficiency etc, are achieved under steady state ; based on theoretic calculation, observing the actual running circumstance of the heating stove in person, with some performance comparison between the new and the old, the high efficiency and reliability of heat - pipe stove is proved, the project which expend it in the oil - filed is feasible

    對充入該工質的熱管加熱爐,本文根據工熱力學和相傳熱學及相知識,對其進行了傳熱分析,經過適當假設,運用質守恆和能守恆定律,建立了裝置動態集中參數模型,描述了加熱爐從機到穩定運行這一動態過各參數的化情況,同時對燃燒過也進行了熱力計算,最終得到了穩態工況下裝置的熱系數、熱效率等熱力參數;在理論計算的基礎上,親赴現場觀察該爐的實際運行情況,通過與原有的加熱爐的各項性能進行對比,最終證明新爐的高效性和可靠性,為其在油田中推廣的可行性提供了依據。
  7. 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

    通過狀態方中父狀態與各子狀態之間的線性組合系與塊網中父狀態結點和各子狀態結點之間的帶權父子系之間的等價轉,實現以工序的最早工時刻為狀態的系統狀態模塊和泛模塊的介面與提取總網「劃分子網」的聯矩陣得到狀態空間模型的參數矩陣。
  8. Since the concept of program slicing is proposed, it is widely concerned by software researchers and development staffs and is widely applied in the fields of software testing, debugging, measuring, maintenance, xml information extraction, reverse engineering and re - engineering, etc.

    自從序分片概念被提出以後,受到很多研究人員和軟體發人員的注,使得它在軟體測試、調試、度、維護、、 xml信息抽取、軟體逆向工與再工等方面得到廣泛應用。
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