電鍵器 的英文怎麼說
中文拼音 [diànjiànqì]
電鍵器
英文
keyer-
Appling closed loop control strategy in the power factor dynamic compensation system. then the key techniques, for example, the fashion of real time sampling idle current and the fashion of compensation capacitor connected with, the time when the compensation capacitor are thrown up, are researched
針對本系統的應用對象,確定了本系統中所應用的無功電流實時檢測理論和方式、補償電容器接線和分組方式、補償電容器投入時刻的選擇等關鍵技術;並對can技術應用於功率因素動態補償系統進行了研究。Furthermore, it is important propagandizing tool because it is the pivotal and integrant component of the super - high power broadcast and television transmitting equipment it has very
更為重要的是,它是國家的重要宣傳工具? ?超大功率廣播電視發射機必須的關鍵器件,它的研製成功具有十分重要的政治意義。Magnetron sputtering is common method for preparating metal film resistor. by this method, the target is very important for the performance of the resistor
在金屬膜電阻器的生產過程中,靶材是非常關鍵的,它制約著金屬膜電阻器的精度、可靠性、電阻溫度系數等性能。Bringing into play the communication market resources in hangzhou bay, the park devotes itself to the formation of a “ mobile valley ”, which means a unique zhejiang - flavored economic pattern : forming a complete telecommunication industry chain from software and operation development of key parts, such as ic chip, rf modules, base band, display, high capacity battery, to related components like cell phone housing, keypad, antenna, vibration motor, mould, pcb ( circuit board ), photoelectricity device, electronic device, connectors and system and software development, and operation service development
園區依託杭州灣通信市場資源,致力打造「移動谷」 ,創造中國浙江經濟特有的專業版塊模式:從集成電路晶元、 rf組件、基帶、顯示器、高能電池等核心器件到接手機外殼和按鍵、天線、振動馬達、模具、 pcb (電路板) 、光電器件、電子器件、連接件等相關組件及系統和軟體開發、運營服務開發,形成完整的通信產業鏈。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。In this thesis, the critical components of pcs are analyzed and tested in detail. i present the scheme of reliability qualification test of capacitors, furthermore, analyze the sampling inspection scheme theoretically for capacitors and put forward the proposals to improve this scheme. for most of components in pcs with high reliability or long lifecycle, which need great investment of time and material for their reliability tests, this paper provides a new and effective statistical method for this kind of components - the progressive stress accelerated life testing with exponential distribution
可靠性試驗也是可靠性工程的重要組成部分,能源系統許多元器件為高可靠性、長壽命器件,且大部分是非標準器件,為保證整個系統的可靠性,必須對備選元器件進行可靠性試驗,本文對能源系統關鍵器件進行了詳細的試驗分析,給出了電容器的鑒定試驗方案,對其抽樣試驗方案進行了理論分析並給出了方案改進建議。After the seawater desalination equipment was successfully brought to market, our company also promoted the ultra - pure water equipment suitable for electronic and medical industry according to the demands of the market. it uses an edi membrane from american electropure co., ltd, the conductance and ohmmeter are from hanna co., ltd. all spare parts of equipment are made of the highest quality materials
公司在成功地把海水淡化設備推向市場后,又應市場的需求推出了適于電子醫藥等行業用的超純水設備,即jhh - edi系列。其關鍵器材採用美國著名的electropure公司的edi模塊,及hanna公司的電導率電阻率表。其他主要配件則採用國產優質材料及配件。When the level of the mic input is too big, and can ' t be controled by the mic input level adjustmeng potentiometer, push down this button
話筒輸入衰減按鍵:當話筒輸入電平太大,話筒輸入電平調節電位器已無法控制時,按下此鍵In the hardware design, the analog circuit, high - speed a / d convertor, storage control logic and vxibus interface are discussed. the results of the simulation and analysis of the circuits are given
在模塊的硬體電路設計部分中,著重對信號調理電路、高速a / d轉換器、高速存儲邏輯控制以及vxi總線介面等內容進行了討論,給出了具體的電路設計和關鍵器件的說明,並對部分模擬電路和數字電路進行了模擬分析。Power fast recovery diode, which is abbreviated to frd, is one of the key devices in modern power electronic technology. in the power electronic circuits, frd is usually parallel connected with three - end power devices as their freewheeling diode
高壓功率快恢復二極體(以下簡稱frd )廣泛地應用於電力電子電路中,作為續流二極體與三端功率器件並聯使用,是現代電力電子技術中的關鍵器件。The inductor, which is one of the most important magnetic components, is not only used in lc filter and choke but also in rf communication circuit. the thin film inductor can be integrated with semiconductor components, so far it has not been widely used in these fields, the reason is the limited of thin - film material and substrate, process technology and design technology. designing and fabricating thin film inductor is the key point of this paper
而作為磁性元器件中最重要的電感,它不僅在lc濾波電路、扼流圈中必不可少,在現代射頻通信電路中也被廣泛使用,特別是能與硅器件一起集成的薄膜電感器,在國際上備受重視,而國內長期以來,由於受薄膜磁芯材料、繞組材料、基片材料,包括製作技術及最為關鍵的設計技術限制,尚未研發出能夠用於這一應用領域的高、中、低頻薄膜電感器。Key components in the insulation line : high precision extrusion crosshead with automatic centring produced by swiss unitek, o. d. meter, centrifugal tester, h. f. spark tester, capacitance tester provided by uk beta co., frequency converter, temperature controller, plc and bearing from simens in germany and mitsubishi injapan
生產線選用的主要關鍵器件:擠出機頭採用瑞士unitek公司的高精度自動定心機頭;外徑測試、偏心測定、高頻火花、電容測試等均採用英國beta公司的高精度儀器;而且擠出機的變頻器、溫控器、 plc和軸承等均採用德國西門子公司和日本三菱公司的產品。It is the crucial task of this program that develops computer - aided design system for air - core reactor
空心電抗器計算機輔助設計系統的開發是本課題的關鍵任務。At last, the experiment result proved the effectiveness of the spectrum rebuilding technology. the experiment result show that the wavelength detection accuracy is improved by an order of magnitude using the spectrum rebuilding technology compared with that obtained from direct peak search. some other schemes to enhance the accuracy are illustrated
最後列舉了其它幾種提高測量精度的方案,包括關鍵器件可調諧濾波器的位置變化提高信噪比,調整探測器pinfet的輸出電壓的零點以提高a / d採集卡的利用率,以及採用系統參考消除系統誤差造成的波長漂移。In conclusion, based on the application of the pedt material on the solid tantalum capacitors, this paper has investigated their related principles and varieties of processing conditions. this has provided an essential work for the further research on the organic tantalum capacitors and its manufacturing
總之,本文以pedt材料在固體鉭電解電容器上的應用為背景,研究了其相關的機理和各種工藝條件,為有機鉭電容器的研製提供了關鍵的先期研究基礎。Research advances and applications of direct wafer bonding of - v compound semiconductors in optoelectronics device and its integration are generalized
概括介紹了近年來- v族化合物半導體材料鍵合技術的最新研究進展及其在光電子器件和集成領域的應用。His thesis presents many test results of : the superficial roughness of standard slice, aluminum slice, and glass slice by using the outline detector ; the frequency characteristic of experimenting device ; the characteristic of pivotal instruments ; the displacement characteristic of layer - piezoelectricity actuator ; tiny displacement detection. the experimental data are believable and the theoretic analysis is correct
本論文還給出了用輪廓儀測試多種標準片、鋁片、玻璃片的表面粗糙度的測試結果、實驗裝置的頻率特性實驗結果、關鍵器件的特性實驗結果、積層式壓電致動器的位移特性試驗結果及微位移測量試驗結果。As one of the key devices in the opto - electronic information technology, lclv can be used as image amplifiers for large screen projection display, image wavelength converters and optical data processing and correlation
液晶光閥作為光電信息處理技術中的一種關鍵器件,已被廣泛應用於通訊、機器人視覺、光學計算機、神經網路、大屏幕投影顯示等方面。It also designs the key parameter of the apparatus of main circuit in the electroplating power
對電鍍電源主電路的關鍵器件進行了設計。The group s principal technological innovation is its proprietary " matrix mapping system " for inputting languages and operating functions and features of small - and medium - sized electronic devices. this methodology allows users to input any symbolic or phonetic based language using a numeric keypad or mouse or touch screen based input system
全方位搜索系統集團主要的科技發明是其專利發明全方位搜索系統,具有輸入語言文字、操作中小型電子器材的功能及特點。這種方法讓用家使用數字鍵或滑鼠或輕觸式的輸入系統,輸入任何符號或語音為本的語言。分享友人