測量用整流器 的英文怎麼說

中文拼音 [liángyòngzhěngliú]
測量用整流器 英文
measuring rectifier
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • : Ⅰ形容詞1 (全部在內; 完整) whole; all; complete 2 (整齊) neat; tidy; orderly Ⅱ動詞1 (整理; 整...
  • : Ⅰ動1 (液體移動; 流動) flow 2 (移動不定) drift; move; wander 3 (流傳; 傳播) spread 4 (向壞...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. Pre - data gathering module achieves the collection and communication of sixteen - route temperature signal. speed measuring and controlling module realizes the control of refolw soldering transfer speed by manipulating transducer. on - off outputting module fulfills calefaction control of calefaction tube by solid state relay. above position operator software programs by delphi, and realizes pid parameter automatic timing and no - oversnooting temperature control. software has friendly interface, convenient operation, complete functions

    前置數據採集模塊完成16路溫度信號的採集和通訊;速度模塊與速度控制模塊通過控制變頻來調節迴焊的傳輸速度;開關輸出模塊通過固態繼電對加熱管進行控制;上位機軟體採delphi編程,實現了pid參數自定以及無超調的溫度控制。
  2. Ch400 transformer coulometer can be widely applied in test on production line of small manufacturer of transformer or rectifier power or in labs

    Ch400變壓儀系列可廣泛於各種小型變壓電源等廠家的生產水線試,實驗室試品試驗等場合。
  3. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調制基本原理的基礎上,通過對誤差矢和鄰近通道功率泄漏的詳細分析,定性、定地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直偏差等)對調制性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採直接調制技術模擬衛星信號的射頻前端的設計;最後,對個直接射頻調制系統進行試,結果基本上達到了課題要求。
  4. Our company has many advanced dyeing and finishing equipment such as fong s high temperature package dyeing machine, fong s low noise rapid dryer, fong s flow high temperature dyeing machine, fong s airnospheric overflew dyeing machine, and bruckner high capacity finishing range etc. the company has all kinds of advanced testing instruments, and use environmental protected dyestuff, and the quality of the products was trusted by all the customers

    我們公司引進香港立信常溫液染色機、高溫高壓液染色機、筒子染色機及德國布魯克納全電腦控制的熱拉幅定型機等后理設備。公司配有各種先進試儀,使環保染化料,質可靠,深受客戶信賴。
  5. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈寬調制( spwm )逆變供電異步電動機,考慮主磁路飽和時的變頻調速系統體數學模型,模擬系統的低頻振蕩;其次從逆變-異步電動機系統能轉換角度出發,提出通過檢逆變輸入電中負電的間隔時間是否大於1 / f _ c ( f _ c為逆變載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實性和正確性。
  6. 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:原理的研究和在系統中的實現,在本次設計中三種方法來進行水位,分別是旋轉編碼法、液位壓力傳感法和可變電阻法;主控晶元的選擇,我們選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,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,在此,我們實現了單片機的i o口與ds1302的連接和在軟體中對時序的模擬,該晶元的應臺儀提供了時間基準,方便了儀的使;另外,針對研製任務的要求,還給系統加上了一路4 20ma模擬信號電環的輸出電路來提供系統監,該部分的實現是通過採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。
  7. Abstract : it introduces the principle of graphite electrode abrading tool and develops the software and hardware of nc machine. this can detect the position of platform feed with great inertial - mass through photoelectrical encoder, the vibration magnitude of translation worktable with eddy transducer. based on these the machine parameters can be automatically regulate, and the grinding process is smooth

    文摘:介紹了石墨電極研磨成形機的原理和數控軟、硬體系統的研製開發;光電編碼實現了大質進給滑臺的位置檢;並電渦傳感平動臺振動,進而實現了機參數的自動調,從而保證了石墨電極研磨成形機研磨加工的順利進行。
  8. Abstract : the causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %

    文摘:分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰漏水,蒸汽引起露點腐蝕及吹灰效果差造成對室積灰,排煙溫度高,煙氣熱未回收利以及爐子保溫襯里效果差等問題,提出採聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的程調等改造措施.定結果表明,本次技術改造解決了因蒸汽吹灰漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上
  9. The causes for low efficiency of the heater in no. 2 crude unit of jpc refinery are described and analyzed including water leaking of steam soot blower, dew point corrosion caused by steam, soot deposits in convection chamber owning to poor soot blowing, high flue gas temperature, no heat recovery of flue gas, and poor performance of insulation lining, etc. by using sonic soot removing system, flue gas recovery system, spray coating of fiber and rock wool, as well as adjustment of flow scheme accordingly in the technical revamping. the dew point corrosion is completely eliminated, the insulation performance is improved, the heat loss is reduced by 1. 25 %, the flue gas temperature is reduced to about 170, and the heater efficiency is increased from 83 % to more than 90 %

    分析了金陵石油化工公司煉油廠二套常減壓裝置加熱爐存在的因蒸汽吹灰漏水,蒸汽引起露點腐蝕及吹灰效果差造成對室積灰,排煙溫度高,煙氣熱未回收利以及爐子保溫襯里效果差等問題,提出採聲波除灰系統、煙氣回收系統、纖維噴塗和巖棉噴塗及相應的程調等改造措施.定結果表明,本次技術改造解決了因蒸汽吹灰漏水所造成的露點腐蝕問題,提高了保溫效果,減少散熱損失1 . 25 % ,排煙溫度降至170左右,裝置的爐效率由83 %左右提高到90 %以上
  10. Due to the advantages such as short response time, easy operation, and convenient to comprehend the wavefront modes, the hartmann wavefront sensor ( h - wfs ) is widely utilized nowadays in real - time adaptive optics system, turbulence statistical characterization, optical components test, light quality evaluation, laser atmosphere communication, the wavefront correction of ultrahigh power laser pulses, as well as human eye aberrations measurement. the detection accuracy is important to the performance of the whole optical system. considerable efforts have been performed in the investigation of h - wfs wavefront detection techniques in past years

    哈特曼波前傳感具有實時探,易操作,可以直觀顯示波前畸變分佈等優點,被廣泛地作自適應光學系統的波前信息探和波前畸變補償,大氣湍統計特性表徵,光學元件檢,光束質評價,超強激光脈沖波前形,激光大氣通信以及人眼象差等各個領域之中,其探精度的高低對個光學系統的工作性能有著極其重要的影響。
  11. On - line monitoring of hvcb is the precondition of predicting maintenance, is the key element of reliable run, and is the important supplement to the traditional off - line preventive maintenance in fact, the faults are made by hvcb, no matter in number or in times, is over 60 % of total faults so it has determinative importance for improving the reliability of power supply and this can greatly decrease the capital waste used by - dating overhaul in this paper, the inspecting way of hvcb mechanism characteristic is discussed the concept of sub - circuit protector is presented, the scheme that we offered has been combined with sub - circuit integrality monitoring theory, to ensure that it has the two functions as a whole according the shut - off times at rated short circuit given by hvcb manufacturer, the electricity longevity loss can be calculated in each operation, and the remained longevity can be forecast too an indirect way for calculating main touch ' s temperature by using breaker shell temperature, air circumference temperature and breaker ' s heat resistance is improved in this paper, and main touch resistance can be calculated if providing the load current msp430, a new single chip microcomputer made by ti company, is engaged to develop the hardware system of the on - line monitoring device, and special problem brought by the lower supply voltage range of this chip is considered fully

    高壓斷路所造成的事故無論是在次數,還是在事故所造成的停電時間上都占據總60以上。因此,及時了解斷路的工作狀態對提高供電可靠性有決定性意義;並可以大大減少盲目定期檢修帶來的資金浪費。本文論述了斷路機械特性參數監方法;提出了二次迴路保護的概念,並將跳、合閘線圈完性監視和二次迴路保護結合起來,給出具有完性監視功能的二次迴路保護實現方案;根據斷路生產廠家提供的斷路額定短路電分斷次數,計算每次分閘對應的觸頭電壽命損耗,預觸頭電壽命;提出根據斷路殼體溫度和斷路周圍空氣溫度結合斷路熱阻來計算斷路主觸頭穩態溫升的方法,並根據此時的負荷電間接計算主觸頭迴路的電阻;在硬體電路設計上,採美國ti公司最新推出的一種功能強大的單片機msp430 ,並充分考慮該晶元的適電壓范圍給設計帶來的特殊問題;在通信模塊的設計中,解決了不同工作電壓晶元之間的介面問題,並給出了直接聯接的接線方案。
  12. This paper presents a method of test, estimation and predication of some state parameters of the power unit in power and electric equipment, these parameters can be temperature, voltage, current and so on ; when attaining the values of these parameters at the next state, whether the power unit will go into the malfunction or not can be knew, according to the result, some measures can be made ; by controlling the values of correlative parameters, the unit could be maintained in its optimal running status ; so the damage to the power unit can be prevented, the running quality of the driving system can be guarantied, and the optimized control level of the system can be improved

    本論文提出了一種利估計的方法,對電力電子設備中的功率件的某些主要狀態參(如:溫度、電壓和電)進行試、估計並預,從而得出未來的運行狀態;然後據此判斷該功率件是否已進入故障范圍,以便提前採取措施,通過對相關參數的調來保證功率件始終工作在最佳狀態;這樣,既避免了功率件損壞的發生,又避免了驅動系統故障狀態的出現,明顯地提高了系統優化控制的水平。
  13. In this paper, the two kinds of sensor mainly used, swkp ig 20 and g16 are introduced. and the performance testing system of the two kinds of sensor is designed in terms of occurring troubles during the practice. the testing system consists of two parts, the hardware and the software

    本文針對目前國內大使的、與進口防滑配套的兩種速度傳感: swkpig20型(電壓輸出型)和g16型(電輸出型)在實際使中出現的問題,設計了完的性能檢系統,由硬體和軟體兩部分組成。
  14. Based on the advanced and popular portable instrument ’ s kernel technology along with the embedded operational system such as windowsce system platform, aiming at human ’ s biomedical signal ? measure of blood pressure parameter, with the msp430 microprocessor which has powerful ability of transaction and achievement the real - time data pick and process. on up - computer, using platform builder tool customizing the windows ce platform using the vc programming language finishing the application software to multi - parameter monitor, the whole system achieving the data ’ s sample, real time disposal, analysis, display, store and communication of biomedical signal and imitate the system

    個應系統基於目前行的便攜式儀的核心技術- windowsce系統平臺,針對人體的生物醫學信號(血壓參數的) ,運處理能力強大的msp430單片機對實時數據進行採集、處理,在上位機部分platformbuilder工具定製了windowsce平臺,利vc語言編寫了多參數監護儀的應軟體,在數據採集、處理模塊中,針對血壓脈搏波這種生物醫學信號特點,合理運msp430單片機硬體資源及其功能特性對採集的數據進行有效的數據濾波處理,得到了有效的血壓生理參數。
  15. It introduces the principle of graphite electrode abrading tool and develops the software and hardware of nc machine. this can detect the position of platform feed with great inertial - mass through photoelectrical encoder, the vibration magnitude of translation worktable with eddy transducer. based on these the machine parameters can be automatically regulate, and the grinding process is smooth

    介紹了石墨電極研磨成形機的原理和數控軟、硬體系統的研製開發;光電編碼實現了大質進給滑臺的位置檢;並電渦傳感平動臺振動,進而實現了機參數的自動調,從而保證了石墨電極研磨成形機研磨加工的順利進行。
  16. Studies the shield and anti - jamming techniques and designs the shield shell. designs the transmit microcircuit adapts to the far distance transmission. using the passive high - precision current transformer founds a method to measure dielectric loss based on fft which can eliminate effects of harmonic and current frequency excursion and conducts an experiment

    所研製的高精度無源單匝穿心式小電互感,建立了一種基於fft的介質損耗方法,它可以有效地消除諧波和工頻信號波形不工的影響,並進行了實驗驗證。
  17. Through using si analyse in the hardware design of a dtv set top box ( stb ), the main contribution of this paper is to give a series of solutions for si problems according to theoretically analyse and real works. advanced measuring systems have also been shown in the paper. with the help of this paper, the stb system of a world famous corporation has successfully get wide using of ddr sdram

    本文的主要工作是在針對消費類電子( consumerelectronics )領域中的數字電視接收機頂盒進行硬體設計的過程中,引入信號完性分析的設計方法進行高速數字電路的設計,利理論分析作為設計指導,通過、模擬和實際布板的結果進行驗證,得出一系列針對信號完性問題的解決方案和設計程,成功地解決了某世界著名企業的機頂盒系統中ddr存儲工作頻率無法提高的問題,在新一代的機頂盒產品中廣泛使ddr存儲,在很大程度上提高了系統的性能,滿足了市場的需求。
  18. As for the dynamic performance, the linear variable differential transformer ( lvdt ) displacement sensor using signal conditioner ad598 is not so good, so the differential rectifier is designed as the measuring circuit of the sensor so as to increase its cross - over frequency. also, the static test and dynamic test is made for the sensor along with the lvdt

    由於使線性差動變壓信號處理晶元ad598為電路的差動變壓式傳感的動態性能不夠理想,本文設計製作了差動電路作為差動變壓式傳感電路以提高傳感的截止頻率,並對差動變壓式傳感進行靜態和動態標定。
  19. To the object of two - flow, we trace its dynamic character and measure its correlated parameters by eight - electrode capacitance sensors. then turning the dispersed information to the integral information by sufficiently using information of object. the simulation experiment proved that this information fusion arithmetic can recognize the flow type precisely and timely

    針對管道中的兩相對象,利8極板電容傳感對其在管道中的動態特性進行追蹤,並取相關參,利信息融合演算法處理所獲得的信息,充分利傳感信息資源,將分散的傳感信息融合成所型的體信息。
  20. Whole system include available for user intellectual heating form and collector of design realized to design make up already, a machine gets user ' s heat of using within some time through measuring the instantaneous flow and temperature of the hot water in real time ; the measurement can reach the pc of the administrative center of the property far through the collector, finish data processing, expenses close, report form person who type multiple tasks in unison by administrative center

    個系統包括已經設計實現的供戶使的智能暖氣表和設計中的通訊模塊以及採集組成,戶機通過按時熱水的及溫度,得到戶在一段時間內的數據通過採集可以遠傳至物業管理中心的pc機,由管理中心統一完成數據處理、費結算、報表列印等多項任務。
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