量程擴展器 的英文怎麼說

中文拼音 [liángchéngkuòzhǎn]
量程擴展器 英文
range expander
  • : 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(擴大) expand; enlarge; extend
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  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,研製了氣電轉換的信號處理電子系統,設計有調零、增益調整、開關轉換等功能。
  2. The stability of electric power system has been being focused for a long time toprevent a power system from losing synchronism after sudden fault , researchers have done much work and got many accomplishments this paper applied the direct feedback linearization ( dfl ) technique on the power system , a strong nonlinear system simulation results by matlab proved this method efficiency main works and results are as follows : this paper compared some existing methods in excitation control , fast valve control and coordinated control respectively, analyzed the developments and actuality of nonlinear control research in brief, illustrated why ransient stability could be greatly improved by using the fast valve control in chapter 3 , indicated the importance of coordinated control farther this paper introduced the inverse system theory, based on which , discussed the dfl theory, pointed out which had consistency with the inverse theory, expanded the dfl theory combined the idiographic model equations , made which adapt to the model of a single machine - infinite bus power system this paper referenced abundance articles and educed a set of equations , which could describe the dynamical process of excitation and fast valve control for synchronous generators in the equations , there were several very important parameters of power system - - rotor angle ( ) , rotor speed ( ) , generator q axis voltage ( eq ) , transient voltage ( e ' q ) , active power ( pe ) , mechanical input power ( pm ) , valve opening ( ) , generator terminal voltage ( vt ) , based on the model , nonlinear coordinated controller and terminal voltage optimal controller have been designed by using the expanded dfl theory and lq optimal control theory the simulation results showed that the controller could keep power system transiently stable under the effects of a symmetrical 3 - phase short circuit fault , which achieved better postfault regulation compared with another two routine methods , one is the proportion excitation controller and proportion fast valve controller, the other is the proportion excitation controller and the optimal fast valve controller, which could exert good performance when met 1ittle disturbance either

    在介紹逆系統理論的基礎上,詳細介紹了dfl理論,通過比較闡明了dfl理論其本質是逆系統方法的一類,並結合具體課題推導出的模型方將dfl理論進行了,使之適應于電力系統這個強非線性對象。通過參考大的書籍文獻推導出一套實用的可將大型汽輪發電機勵磁與汽門綜合起來進行控制的模型方,此模型方涵蓋了電力系統中特別引人注目的幾個- -轉子角、轉子轉速、發電機q軸電勢eq 、暫態電勢e ' q 、有功功率pe 、機械功率pm 、汽門開度、機端電壓vt ,在此基礎上建立了實用的電力系統簡化的數學模型,並將的dfl理論應用於此模型系統,結合線性二次型最優控制理論設計出大型汽輪發電機的非線性綜合控制及機端電壓最優控制,通過模擬實驗與採用常規的按電壓偏差進行調節的比例式勵磁控制+汽門比例控制及採用常規的按電壓偏差進行調節的比例式勵磁調節和基於二次型性能指標設計的最優快控汽門(考慮發電機的飽和因素)進行了對比,證實了採用此種控制可以有效地提高電力系統的暫態穩定性,並且在電力系統遭受小干擾時同樣具有良好的調節性能。
  3. New developments in decision theory, artificial theory and dynamic analysis method are applied to evaluation the possible projects. the main contents in this paper are included as follows : first, has improved an format reasoning method based on multiple attribute utility model and knowledgebase theory ; second, has proposed complex utility model by improving the theory of multiple attribute utility ; third, has presented a kind of weapon intelligent decision support system, based on the complex utility model and developed with com / dcom criterion ; forth, this paper also has build the dynamic simulation model for long - rang multiple tube rocket launcher system, and the tire dynamic model has applied in the rocket launcher system dynamic simulation model ; fifth, through building the rocket - launcher contact model, this paper has analyzed the dynamic forces between the rocket and launcher ; finally, this paper has build the evaluation model of the project about improving existing rocket launcher to the launcher that using canister, and get the conclusion through using the widss. the studies in this paper not only proposed scientific warrant to the choice of projects in this pre - studied national defense task about improving existing rocket launcher to the launcher that using canister, but also can give other studied tasks with decision supported

    主要內容包括:在總結決策分析與專家系統規則庫技術的基礎上,提出了融決策分析與專家系統規則庫技術於一體的形式化推理機制,該機制能有效的將定計算和定性知識融為一體,將規范的決策分析解題過與專家系統特有的演化推理方法有機結合起來;在多屬性效用理論的基礎上,建立了一般形式的復式效用模型,並實用化了全相關乘式效用模型,提供了較完善的通用建模、分析和解釋功能:引入了com dcom組件技術,開發了基於組件的widss系統,該系統基於形式化推理機制,易於,能夠面向多種決策問題,具有較強的通用性;建立了遠多管火箭炮全炮動力學模擬模型,將充氣輪胎動力學模型、輪胎和路面的相互作用模型運用於多管火箭炮動力學模擬計算中;利用碰撞接觸理論,對火箭彈在定向管內的運動受力情況進行了模擬計算;建立了遠多管火箭炮箱式發射改進方案模型,並利用動力學模擬計算結果在widss系統中進行了方案性能評估。
  4. In chapter 4 we discuss the design of the high speed and high performance vlsi and its imp1ementation, firstly we ana1yze and compare the features and ru1es of al1 kinds of fft algorithm, adopt complex radix 4 butterfly calcu1ation as basic alu, then discuss all kinds of process architectures, the design thoughts, rule, method, technique way, the characteristics of the design are r4 dit algorithm, pingpong ram design method and pipeline structure between stages. we also analyze the limited word length effect and the method to avoid overflow of the fixed points fft process, bring out the expandable platform mode

    第四章主要討論了高速高性能的快速傅立葉變換處理的設計和實現,首先分析和比較了各種快速傅立葉變換演算法的特性和規律,提出基4蝶算的演算法具有最好的性價比,討論了順序、級聯、并行和陣列的處理結構,闡述了設計高速高性能快速傅立葉變換處理時的設計原則、設計思路、所採用的技術路線,驗證並測試fft處理,分析了定點fft處理過由於有限字長效應所產生的化誤差的范圍及防溢出控制辦法,提出了可平臺模式。
  5. 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度,這里尺子的最小分辨能力是由雙斜率積分時間放大倍數決定的,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。
  6. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行軌道機動過中,為跟蹤、定位機動目標和干預機動控制過,需要統計處理離散的雷達觀測實時估計推進發動機的推力,進而確定飛行的瞬時軌道參數.本文所述演算法是該工問題的探討和解決方案.文章建立了軌道機動過中連續變質運動模型和離散雷達測模型,推進發動機的質秒耗作為表徵推力加速度的一個近似常,應用卡爾曼濾波對離散的雷達測數據進行順序統計處理給出秒耗的最小方差估計;文章詳細地推導了線性化測模型的變分方和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質秒耗和向機動目標施加的實際推力
  7. That test part of the software is primarily used to complete the test of some parameters, such as time base, time - expand, time interval, voltage interval, vertical, stable state, transient state and scanning linearity. the result of the test needs to be analyzed and judged. clear user interface and timely warnings for mistakes of testing process inside because of the user ' s fault operating make whole test process more easier than it did on a time

    該軟體的測試部分主要用於完成對示波掃描時間系數、掃描時間系數、 t時間測、 v電壓測、垂直偏轉系數、頻帶寬度、校準信號、脈沖瞬態響應、掃描線性誤差時等參數的測試檢定任務,並對測試結果進行及時的分析和判斷,由於界面清晰,而且對測試過中由於用戶的誤操作都有及時的錯誤提示,使得整個測試過簡單易行,對于用戶來講掌握起來也更為方便些。
  8. First introduces hardware platform of mine monitoring system that adopt embedded pcm - 3350 to be as main controller, big - capability memorizer cf card as memories, 10. 4 inch lcd liquid crystal screen as display, pcm - 3612 as communication extend cell ; rs232 and keyboard as i / o interface to realize data dispose, storage and transport function, and so on. then introduces some basic concept and core character about embedded operating system windows ce. at the same time, the paper has a detailed introduction about platform - configured tool platform builder of mbedded operating system windows ce and a detailed narration abut the whole process of configuring the embedded operating system base on yanhua pcm - 3350, then the paper depletes the characteristic function and system framework of embedded configuration software mcgs generally and introduces the design process about configuration software of mine monitoring - control system ; at last, the paper introduces main function of rk512 communication protocol that can ensure reliable communication with controller plc of bottom machine

    首先介紹了硬體平臺的搭建:採用嵌入式pcm - 3350作為主控制;大容的存儲cf卡作為存儲設備;採用10 . 4寸lcd液晶屏作為顯示設備; pcm - 3612作為通信單元;用rs232和鍵盤作為i o介面來實現數據的處理、存儲和傳輸等功能;然後又介紹了嵌入式操作系統windowsce的一些基本概念、核心特性,同時對嵌入式操作系統windowsce的平臺定製工具platformbuilder做了一些介紹並詳細敘述了使用platformbuilder定製基於研華pcm - 3350的windowsce操作系統的過;接著概括敘述了可運行在windowsce上的嵌入版組態軟體mcgs的特點、功能、體系結構並詳細介紹了礦山檢測系統的組態軟體設計過;最後介紹了能夠與下位控制plc可靠通訊的rk512通訊協議的主要函數。
  9. Instrument technology research center ( itrc ) has devoted to limited and diversified ultra - precision components fabrication for more than 30 years, and established various aspheric optics fabrication units, precision centering machines, and micro lens and diffractive optical element ( doe ) machining devices in the past years

    摘要為配合國內光電產業之蓬勃發,儀科技研究中心在既有之傳統光學加工與精密光機元件、微光學元件以及非球面光學元件之加工與檢測技術能上,於94年度引進五軸超精密鉆石車削輪磨機,以完整的光學工技術陣容,滿足多樣性之研發需求。
  10. On the design of the instrument software, because the computer data process system of the first and second kinds of products run in the dos environment, which is written by the language of the basic. it is proved in the dos environment that data is processed slowly, man - machine interface is n ' t friend and operation is n ' t convenient. what ' s more, the code of program written by the basic is changed easily by accident by user, which does n ' t adapt to production and commodity of the instrument. therefore, we have developed with visual c + + language a suit of data process soft system supported by windows 95 / windows 98 / windows nt in the third kind of the sample instrument. the developed software system has good reliability, friendly user interface and convenient operation

    另外為了進一步大儀的測范圍,我們將第三代產品的使用到對各種液體表面張力的測試,並進行kd -型樣機的製作,以供第三軍醫大學燒傷研究所作人和動物呼吸道燒傷的實驗研究。在儀的硬體設計方面,我們力求做到結構緊湊,性能穩定,重復性好,且成本低廉。在儀的軟體設計方面,由於第一和第二代產品的計算機數據處理系統是運行在dos環境下,用basic語言編寫的序。
  11. 2, design a structure makes the liner output higher to 160mv with a liner input about 150 in bridge of spin - valve gmr. in comparison of some typical mr angular sensors it ' s output make a great progress

    2 ,設計了一種結構使自旋閥gmr晶元組成的橋路輸出電壓信號線性區達到約150 ,輸出幅度達到了160mv ;相比一些典型的磁阻非接觸式角度傳感獲得了可觀的
  12. To raise the applicability and development of the software, the industrial standard technique and that has extensive applicability is chose as far as possible in course of software development : develop independently from bottom layer with windows as platform, and visual c + + as development tool ; develop a set of reasonable class hierarchy with object oriented method as guidance ; make use of multiple threads technology to implement complex calculation ; use database to realize resource sharing and data maintaining ; choose opengl to draw and

    為了提高軟體的適用性和性,軟體製作過中盡選用工業標準技術和具有廣泛適用性的技術:以windows為平臺,以visualc + +為開發工具,從底層自主開發;軟體開發中採用了面向對象方法作為指導思想,開發出一套合理的系統分類方案;利用多線技術實現復雜的計算過;利用數據庫技術實現資源共享和數據維護;選用opengl完成圖形繪制任務,實現空心電抗的可視化設計。
  13. The development of cellular communication, multiple addressing and frequency multiplexing techniques, etc. provides a guarantee for leo satellite mobile communication. in order to improve the flexibility of communication systems, we hope that the a / d, d / a converter should be near rf - end, that is, programmable devices can implement the whole processing in middle frequency

    為了使得通信系統具有較大的靈活性和可性,我們希望a d 、 d a變換向射頻端靠攏,即完成射頻到中頻的下變頻后,整個中頻的處理都用可編數字件以及軟體來實現。
  14. 4 design of hb - led is focused on mqws and top layer. compensatory mqws for led active layers have led to good results follow the analysis in former two chapters. systematic analysis of current injection and light output via external quantum efficiency of hb - led showed mat the optimum of top layer of hb - led is appeared to be between 15 u m and 20 u m, and at least is 5 u m

    根據前兩章的分析設計出補償應變多子阱的有源區結構;然後分析計算了件的電注入和光輸出過,指出降低頂層的電阻率和增加頂層厚度都可以使注入電流更有效地到上電極外面的區域,增加厚度還可以增加件的側面出光。
  15. In order to reach the requirement of applying for the multi - objective and multi - parameter measuring, we adopt the distributing computer controlling system which the at89c52 single chip was used as core in the system, also the circuit of signal conditioning and data acquisition and processing are all integrated in the system. we use nixie tube to fullfill the displaying function and adopt high - capacity memory to record the data of production process

    同時為適應工廠要求對多目標、多參數進行監測的要求,採用了分散式計算機控制系統,該系統以at89c52單片機為核心,內部集成了信號調理、數據採集與處理、顯示等電路並了大容存儲以保存最近幾次生產過的檢測數據,同時還採用了rs485網路總線技術可以方便的將數據傳輸給上位控制中心。
  16. In the study of environment model - based processing, the thesis presents a signal enhancement method based on combination of the ocean acoustic propagation, measurement system and noise models. furthermore, a signal enhancement algorithm is developed on the basis of the model - based identifer ( mbid ) implemented by the the augmented gauss - markov process and corrsponding extended kalman filter

    本文通過了對模基信號處理實現信號增強的理論研究,提出了一種利用傳播模型、噪聲模型和陣測模型、並注重環境信息來實現水聲信號增強的方法,繼而實現了基於增廣高斯?馬爾可夫過和相應的卡爾曼濾波聯合的模基辨識的信號增強演算法。
  17. Applications can preload substantially more data into virtual memory, allowing rapid access by the 64 - bit extensions of the processor

    應用序可以預載大數據到虛擬內存,允許處理的64 - bit快速進入
  18. In order to reduce repeat work during developing nc system software and arising efficiency, program design method of extensible command set is applied based on software - overlap thoughts, which enhances program transportability and extendability. then nc program interpreter is realized

    為了降低數控系統開發過序員大的重復性勞動,提高工作效率,應用了基於軟體重用思想的序開發方法? ?增序開發方法,來實現代碼集的,提高序的可移植性,並依此開發了支持語言的數控序解釋
  19. In addition, with the development of the hydraulic technology, the experiment table may be in step with the developing need of the hydraulic teaching by applying the enlarged module of the plc and ameliorating the pc control program

    不僅如此,而且隨著液壓技術的發,該實驗臺可以通過增加可編式控制制的開關和模擬模塊,並且完善相應的上位機數據採集控製序,增加相應的控制柜上所需按鈕,滿足不斷發的液壓教學需要。
  20. In addition, this paper has analyzed and calculated the wave - guide mode theory, got the quantum well laser photic - field distribution ' s fluctuation equation, deduced the far - field distribution ' s mathematics model by the method of stepwise approached, and simulated the near - field and far - field about the laser with computer software. we utilized a pair of mode expand layers which can restricted in photic - field to narrowed the far - field comer about quantum well laser material structure ( the corner was about 21 ?

    另外本文還對光波導模式理論進行了理論分析和計算,得到了子阱激光光場分佈的波動方,利用逐步逼近的方法推導出了遠場分佈的數值模型,通過計算機軟體模擬出了激光遠近場分布圖,並利用模式層對光場的限製作用得到了窄遠場發散角(約為21 )的子阱激光材料結構。
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