重合計數器 的英文怎麼說

中文拼音 [zhòngshǔ]
重合計數器 英文
coincidence counter
  • : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
  • : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
  • : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
  • : 數副詞(屢次) frequently; repeatedly
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 計數 : count; tally; counting計數卡 numbered card
  1. Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer

    超聲波由於其空化機理及對液體的流變性影響等特性,在燃油霧化燃燒中逐步引起人們的視,尤其在渣油等高粘度液體的霧化過程中逐步顯示出其優越性,但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨,將超聲波與氣泡霧化相結是本文討論的主要內容本文從研究超聲波的一些機理入手,討論了超聲動力發生氣泡霧化以及液體粘度對霧化質量的影響,並通過具體的實驗,根據實驗據來討論霧化質量隨各種結構參運行參的變化規律,以便找到超聲霧化的一些規律,豐富對超聲霧化機理的研究,對超聲霧化噴嘴的設具有一定的指導意義。
  2. A digital automatic ultrasonic inspection system designation is introduced. this system was developed with pc computer and embedded dsp, combining computer software and hardware, ultrasonic nondestructive testing, digital signal processing, embedded rtos and visual instruments technology. it meet the requirements of automatic inspection such as high repetitively frequency and real time alertation

    該方案以pc機和dsp系統為核心構成主從機系統框架,以基於虛擬儀思想的pc機應用程序和基於dsp的嵌入式實時操作系統構成雙軟體結構,把傳統的超聲波無損檢測技術和先進的虛擬儀技術、字信號處理技術、嵌入式實時操作系統、算機介面通信技術相結,從而滿足了自動化探傷中1k / s的復頻率和實時報警的要求。
  3. On one hand, the focal point that the interface circuit is designed lies in lining up the arrangement of the aerial data, have adopted one pair of ports ram to cooperate with the counter and realize the lining up of the data, on the other hand, interface focal point that circuit design transmission of data, part this finish mainly and interface of linkport of dsp, make data transmisst to dsp processor at a high speed, go on follow - up punish

    一方面,介面電路設點在於對天線據的整理排隊,採用了雙埠ram配實現據的排隊,另一方面,介面電路設點是據的傳輸,這部分主要完成和dsp的linkport的介面,使據高速傳給dsp處理,進行后續處理。這個項目按照自上而下的設流程,從系統劃分、編寫代碼、 rtl模擬、綜、布局布線,到fpga實現。
  4. The basic idea of this method is to produce particles from the posterior densities, and these weighted samples provide approximations to the densities. in this dissertation, sequential monte carlo method and its applications in communication are investigated. firstly, its basic idea, method and improved method are introduced, then induce the bound of particles, which determines the performance of the system, and the more particles are chosen, the higher computation is done, finally, a new detector based on new importance function is proposed, which deals with the joint channel estimation and detection in flat fading channels

    首先介紹了它的基本思想、基本方法、及當前研究現狀;在此基礎上推導出樣本選擇的界,樣本的選擇決定了系統的性能,但是若選的太多,算復雜度也會隨之增大,因而給出這個界是十分有意義的;最後提出了一種基於新的要函的檢測用來解決平坦衰落通道下的聯通道估和檢測問題,並通過模擬證明了我們提出的新檢測的有效性。
  5. The stress is basing coal - fired boiler inflammation system feature and control demand to design a kind of fuzzy - pi controller on based of genetic algorithm to control it. the controller refers the error and its variety rate as its inputs. and, in order to make the control qualities much better, concerns them as the performance index to optimize the membership function of the fuzzy variables and the pi ' s controller parameter by means of online adjujsting the genetic algorithm, inflammation system steam pressure loop and economic inflammation loop

    點是針對燃煤鍋爐燃燒系統的特點和控制要求,設了一種基於遺傳演算法的模糊- pi復控制對其進行控制,該控制以偏差、偏差變化率作為輸入量,通過遺傳演算法在線調整模糊控制的模糊變量隸屬度函和pi控制的參,從而達到優化模糊控制規則和pi控制的目的,實現燃燒系統的蒸汽壓力迴路和經濟燃燒迴路的控制要求。
  6. Linear phase prqmf banks is one of focal points in multirate digital signal processing domain, its general pr condition is deduced mathematically in the paper, which is important for further studying its design method, in addition high speed hybrid filter banks adc system, high effective hybrid filter banks adc system and high - speed - and - resolution time interleaved adc system proposed in the paper have practical value

    線性相位prqmf濾波組是當今多速率字信號處理領域的研究熱點之一,本文從理論上推導出了其理想建的一般規律,這對進一步研究線性相位prqmf濾波組設理論有要意義。此外,本文提出的高速混濾波組adc系統、高效混濾波組adc系統、高速高解析度時問交織adc系統,均具有實用價值。
  7. The characteristic of h. 264 standard can be concluded mainly into three aspects. it is more practicable, more adaptive to ip net and mobile system and it improves the key components of coding structure based on hybrid video coding framework. for example, it adds coding mode decision, multi frame prediction, context - based adaptive variable length coding ( cavlc ), 4x4 integer transform, loopfilter, etc. the improvement in performance leads to higher computational complexity in the new standard

    H . 264的技術特點可以歸納為三個方面,一是注實用;二是注對移動和ip網路的適應;三是在混編碼的基本框架下,對其主要關鍵部件都做了大改進,如多模式運動估、幀內預測、多幀預測、基於內容的變長編碼、 4 4二維整變換等。
  8. For the air - core pulse transformer has no magnetic material to form the magnetic loop, its coupling coefficient and energy efficiency is lower. in order to improve its property, partial magnetic material is inserted in air - core spiral strip transformer. this method not only results in better property of transformer, but also reduces the bulk of transformer

    本課題設的變壓是在帶繞式空芯脈沖變壓中加部分磁芯材料以提高變壓,進而提高其能量傳輸效率,此方法彌補了空芯變壓低的缺點,並且可以使變壓小型化,因此對部分磁芯脈沖變壓理論和試驗的進一步研究具有要的理論和實踐意義。
  9. In this paper, the dynamic characteristics associated with the high - speed maglev vehicle and guideway coupling system has been studied. two issues are discussed : one is the asymptotic stability of the system and the other is the coupling vibration characteristic. the basic relation between the control, structure and coupling parameters is studied emphatically to trace the rule of the vibration and to give help for the design of guideway, vehicle structures and controller

    本文選擇高速磁浮列車系統懸浮方向的車軌耦動力學特性作為研究對象,分析車軌耦動力學的兩個基本問題:系統漸近穩定性和車軌耦振動特性,點研究控制、結構和各種耦與這兩項系統特性的關系,目的在於尋找車軌耦振動的規律,為軌道、車輛結構和控制提供參考。
  10. If the technicians applied technology in the wrong, even achieving the business logic, but probably leading to many vices including low performance, low scalability, close coupling, low software duplication. so how to assemble the j2ee technology reasonable and achieve a system with high performance and high expansibility is my research emphasis in the thesis. in order to solve the problems and implement efficient web application, the paper put forward ejs _ mvc model according mvc pattern and we can assemble component by using ejs _ mvc model, it can solve many problems of web application and improving system with clear flow and clear function partition, in addition, due to controller is the most importance in the ejs _ mvc model, so the thesis also discuss some problems about controller design ; if the model is not designed accurately, system performance will encounter fatal influence, so the article lucubrate ejb technology from ejb choice, ejb optimized design, database access, design pattern etc and bring forward some strategies and methods about how to build efficient business tier ; finally based on ejs _ mvc model, a example that contains simple business logic is developed according to the object - orient software engineering thinking and some strategies and methods proposed by the thesis, in the process of achieving system function, the emphasis is probing into how t o assemble and apply technology reasonable and providing a new thinking thread and method contributing to build high effective and flexible j2ee application

    由於j2eeweb應用是由組件組成,因此為了解決上述問題,實現高效的應用,本文首先從如何理組組件入手,找到一種方法使各組件能具體分工而又緊密作,在深入研究各組件基礎上,根據mvc模提出了ejs _ mvc模型概念,指出可按此模型組各層組件,該模型可以解決傳統web開發中存在的問題,而且具有系統流程與系統功能劃分清晰,可擴展性、可維護性強等優點,另外由於控制是ejsmvc模型的中之,它起到承上啟下的作用,它設好壞直接關繫到整個應用的性能、伸縮性與擴展性,因此又探討了控制的有關問題;另外如果模型設不當的話,對系統性能造成的影響可能是致命的,因此本文又從ejb組件選擇、 ejb調優設據庫訪問和設模式等方面對ejb技術作了全面的分析研究,指出在業務層中如何避免太多網路遠程調用和提高業務層性能,特別是根據前面的分析總結出了業務層的優化分層組模型,這個模型的使用無疑會使業務層具有較高的性能與伸縮性;最後選擇一個業務邏輯較簡單的系統,使注意力集中到運用的j2ee技術上來,按照ejs _ mvc模型與軟體工程流程以及本論文所提出的方法與策略實現業務邏輯,在實現過程中具體探討如何理運用組技術,就多層j2ee體系結構的設思想作深入的探討實踐,為實現高效、靈活的多層j2ee應用提供一種新的思路及方法。
  11. It has been playing an important role in equipping all kinds of arms and services for campaigns, tactical exercises and emergent actions etc. based on the detailed analysis of the exchange ' s architecture and implementing, this thesis points out some disadvantages of the device, such as too many absolute components, not very high enough reliability and security, very large size and weight, operating and maintaining difficultly. considering low power requirement and man - machine interface optimizing design at the same time, the thesis come up with an integrated design scheme to the previous device based on " mcu + cpld / fpga architecture " : ( 1 ) signal frequency dividing, timing frequency producing, 20 customers " led states controlling are implemented in cpld ; ( 2 ) decoding, latching data and controlling signals are implemented in cpld by bus interface between mcu and cpld ; ( 3 ) chip selecting principles and mcu idle mode design are completed under the consideration of low power requirement ; ( 4 ) operation by chinese lcd menus is adopted in the man - machine interface

    本項目以該交換機為研究對象,在詳細分析原設備的系統結構和功能實現方式的基礎上,指出該機型在使用過程中存在技術相對陳舊、分立元件過多、可靠性和保密性不夠、體積大、量大、維修困難等問題,同時結系統的低功耗需求和優化人機介面設,本文提出基於「單片機+ cpld fpga體系結構」的集成化設方案:在cpld中實現信號音分頻和時頻率生成電路、 20路用戶led狀態控制電路; cpld與單片機以總線介面方式實現譯碼、據和控制信號鎖存功能的vhdl設;基於低功耗設件選型方案和單片機待機模式設;人機介面的lcd菜單操作方式。
  12. The paper presents and improved structure as well as a fuzzy reliable optimal design method mainly for gear parameters of planet reducer with fewer tooth difference in a certain blow molding system, according to the analysis on fault of the original type

    摘要通過對某一吹塑系統少齒差行星減速的故障分析,提出了相應的改進措施外,更要的是對少齒差行星減速的嚙進行了模糊可靠性優化設
  13. A new method of absolute calibration of photodetector sensitivity based on spontaneous parametric down - conversion ( spdc ) biphoton field is described. the process of spdc is studied theoretically. the single photon detection probability and two - photon coincidence probability are derived and the calibration principle for photodetectors is explained. an experimental system has been set up. the sensitivity of a photon - counting photomultiplier tube was measured, and the results were compared with those obtained using conventional method

    討論了一種基於自發參量下轉換雙光子場絕對校準光電探測靈敏度的新方法,著推導了對自發參量下轉換過程中產生的單光子的探測概率和雙光子的符速率,從而闡明了絕對測量光電探測量子效率的原理.基於這一方法對光子型光電倍增管的響應靈敏度進行了測量,並將實驗結果與常規方法測得的結果進行了比較
  14. At present, superconductor filter subsystems have been deployed abroad in the field of mobile communication and offered exceptional commercial performance. the design of hts filters is a comprehensive problem of network analysis. according to the condition of calculation and practical size of superconducting films, we configured compacted forward - coupled microstrip filter, with the aid of tumic and sonnet software

    高溫超導濾波的設是一個網路綜的問題,根據我們目前的設條件和超導薄膜的尺寸因素,我們選用了結構緊湊的前向耦型電路設,應用tumic和sonnet模擬軟體,設了用於移動通訊頻段的高溫超導濾波,並對幾個要參進行了實驗測試和分析。
  15. Some garbage collection algorithms require significant cooperation from the compiler or runtime environment, such as updating reference counts whenever a pointer assignment is performed

    一些垃圾收集演算法要求編譯或者運行時環境的要配,如當進行指針分配時更新引用
  16. In view of project practice, alterable digital modulation in telecontrol system has been achieved with the help of chip fpga by means of software radio. it is also compared with the hardware method

    工程需要,採用軟體無線電的設思想,在可配置fpga件的支持下實現遙控系統中可變字調制並與基於dds的硬體實現方案進行了比較。
  17. The present method for testing aging and breaking - down property of polymer is usually carried out by testing its electrical property. this conventional is of low reliability. this paper has established a new method for testing the aging and breaking - down property of polymer to develop new types of insulating materials by probing the electroluminescence of insulated polymers, which is in the highest flight at home

    目前國內普遍採用的檢測絕緣聚物擊穿性能的方法是測試其電性能,這種方法可靠性較低;本文提出了用探測電致發光來檢測電介質老化、擊穿性能的方法,點研製了用於探測電致發光的單光子,經測試各部件性能良好,具有經濟實用的特點。
  18. The best kind of detector for cosmic radiation is a tissue equivalent proportional counter tepc, but these are far too large and heavy to wear on the person

    量度宇宙輻射的儀中,以組織等效比例tissue equivalent proportional counter最為有效,但由於體積過大和過,並不適配戴在身上。
  19. This thesis discusses detailedly the flow process of ip multicast, error discovery method and error recovery method, and also proposes a new error control method to implement reliable multicast in computer supported cooperative design system : serial integrates with timer are used to discover error, arq mechanism based on nak feedback is modified to correct error, " sliding window " mechanism is imported to make up the drawbacks of traditional nak, and " slotting and damping " technique is used to resolve the question of " feedback implosion " which results from multicast reliability control

    詳細研究了ip多播傳輸的流程、據傳輸的差錯檢測方法及差錯恢復方法,提出在協同設系統中實現可靠多播的控制方法:利用序列號和相結的方法進行傳輸據的差錯檢測,改進了基於nak反饋信息的arq傳機制來實現差錯恢復,並引入了滑動窗口機制來解決傳統nak方法的不足,採用「時間分槽?抑制」技術來解決由於進行多播可靠控制而產生的「反饋內陷」問題。
  20. In practical level, the paper puts forward some proposes, such as " using dynamic geometry software ", " extending curriculum ' s extent ", " integrating visual geometry ", " using pattern in algebraic teaching ", " popularizing shape calculator ", " turning teacher ' s teaching concept ", and so on. in theoretical level, the paper puts forward " one base, two bases, four emphases " for our country ' s mathematics curriculum reform. namely, the reform should be based on dialectical materialism, carrying forward the fine traditions of " two bases " and " basic ability ", paying attention to students " emotion and discovering process, integration of technology, the contact between mathematics study and life a, pluralistic evaluate

    在操作層面,關于「空間與圖形」內容標準提出「動態幾何軟體的應用」 、 「擴大課程的廣度」和「直觀幾何的整」的建議,關于「與代」標準提出「模式的引入」和「圖形的推廣」的建議,關于「統與概率」標準提出「學分支的整」 、 「轉變教師的教學觀念」和「算工具的使用」的建議;在理論探索層面,提出「一個基礎,兩個基本點,四個注」的改革思路,即:以辯證唯物主義為哲學基礎,發揚「雙基」和「基本能力」培養的傳統優勢,注學生的情感體驗和發現過程,注技術與學教學的整,注學學習與學生生活空間的聯系,注評價方式的多元化。
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