重傳計數器 的英文怎麼說
中文拼音 [zhòngzhuànjìshǔqì]
重傳計數器
英文
rc retransmission counter- 重 : 重Ⅰ名詞(重量; 分量) weight Ⅱ動詞(重視) lay [place put] stress on; place value upon; attach im...
- 傳 : 傳名詞1 (解釋經文的著作) commentaries on classics 2 (傳記) biography 3 (敘述歷史故事的作品)...
- 計 : 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 : 數副詞(屢次) frequently; repeatedly
- 器 : 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
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On the basis of former work, author presents a fga based on the diversity measure. in order to keep the dynamic balance between eer, t ' uz / y logic controller ( flc ) was used to adjust ga ' s important parameters dynamicly
本文在前人研究的基礎上,基於群體多樣性測度設計了一個模糊遺傳演算法,利用模糊邏輯控制器來動態調整遺傳演算法中的重要參數,保持遺傳演算法eer的動態平衡。The program includes the infrasonic signal data acquisition of three channels, 3 - d dynamic spectrum analysis, correlation analysis of 3 channel infrasonic signals, the calculation of wave direction, the wave speed, the spectrum analysis at any length and a real - time infrasonic gravity wave pressure - time ( p - t ) curve
本程序支持3路次聲波傳感器信號的數據採集、動態譜分析及次聲信號的相關分析、能計算波源的方位角、波速以及任意時間段的譜分析,並實時給出次聲重力波的壓力?時間曲線(即p ? t曲線) 。Giving the goal and conceptual design, this paper pays attention to expatiate how to practically use the techniques of image - processing, communication and recognition in remote image monitoring system, and discusses how to realize the key techiques such as terminal connection and frame design, platform decoding control and alarm, image communication and track, etc. in order to overcome most existing image monitoring systems " shortages - those systems are at low intelligent level, need overfull manual work and ca n ' t work all day, this paper has adopted the advanced image code / decode technology and digital image transmission technology, and has applied the intelligent image processing and recognition technique to the display, adjust and track of images
本論文在設計圖像監控系統的建設目標和總體方案的同時,重點闡述了圖像處理、通信與識別技術在遠程圖像監控系統中的應用實現,給出了圖像監控系統中的終端接入和框架設計、雲臺解碼控制與報警、圖像通信和圖像跟蹤等關鍵技術的實現。針對現有的圖像監控系統大部分採用人工為主,機器為輔,智能化程度低,不能全天候工作的現狀,本文採用先進的數字圖像壓縮編解碼技術、數字圖像傳輸技術,將智能圖像處理與識別技術應用於圖像的顯示、調整、跟蹤,克服了一般監控系統要求監控人員過多地干預、智能化程度低的缺陷,並總結了其特點和優勢。For micro - cavity semiconductor laser, station model is proposed in this paper and its steady - state and instantaneous characteristics when the coupling efficiency of spontaneous emission into a lasing mode is equal to 1 are analysised. for current noise, sp noise, noise, p noise, as well as current modulation, sp modulation, modulation and p modulation, using small - signal approximation, we derive the laser ' s corresponding transfer functions. and we calculate their signal - to - noise ratio ( snr ) gain in various parameters through frequency domain analysis in the premiss of large input snr
本文對于微腔半導體激光器,提出站模型,能夠較直觀簡潔地分析微腔半導體激光器的穩態和瞬態特性,利用此模型對具有重要實用價值的= 1的微腔半導體激光器進行了討論;對于電流i噪聲、自發發射壽命_ ( sp )噪聲、自發發射因子噪聲、光子壽命_ p噪聲,以及電流調制、 _ ( sp )調制、調制、 _ p調制,在小信號近似下,得到了相應的激光器的傳遞函數;在大信噪比的前提下,對激光器進行了頻域分析,分別計算了它們在不同參數下的信噪比增益,分析了其抗噪聲性能。This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions
首先對加速度計及其測試技術的發展歷史和現狀,液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹,然後確定了以二元調寬脈沖再平衡測試迴路為設計方案,並從控制理論的角度進行了分析,著重研究了系統中各部分的傳遞函數,利用系統開環傳遞函數分析了系統的穩定性,同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題,並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路,驗證了電路的正確性,最後按照測試系統的要求,採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具,利用該圖形化編程語言完成了測試系統軟體部分的設計,實現了測試功能。This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation
本文針對該鍋爐在實際運行中存在的問題:在額定負荷下,爐膛出口超溫、低溫段過熱器前煙溫高達936 ,遠遠超過815的設計值;噴燃器四周水冷壁結焦嚴重,過熱器管壁溫度超標,無法帶上額定負荷;甚至有時因燃煤質量的變化,必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中,燃燒器的結構、布置,水冷壁的粘污、結垢,過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況,從而影響爐內的傳熱和燃燒,造成爐膛出口超溫、水冷壁結渣等問題。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,介面電路設計的重點在於對天線數據的整理排隊,採用了雙埠ram配合計數器實現數據的排隊,另一方面,介面電路設計的重點是數據的傳輸,這部分主要完成和dsp的linkport的介面,使數據高速傳給dsp處理器,進行后續處理。這個項目按照自上而下的設計流程,從系統劃分、編寫代碼、 rtl模擬、綜合、布局布線,到fpga實現。Class9 : scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking ( supervision ), life - saving and teaching apparatus and instruments ; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity ; apparatus for recording, transmission or reproduction of sound or images ; magnetic data carriers, recording discs ; automatic vending machines and mechanisms for coin operated apparatus ; cash registers ; calculating machines, data processing equipment and computers ; fire - extinguishing apparatus
類別9 :科學、航海、測地、攝影、電影、光學、衡具、量具、信號、檢驗(監督) 、救護(營救)和教學用具及儀器,處理、開關、傳送、積累、調節或控制電的儀器和器具,錄制、通訊、重放聲音和形象的器具,磁性數據載體,錄音盤,自動售貨器和投幣激活裝置的機械結構,現金收入記錄機,計算器和數據處理裝置,滅火器械。To overcome the defaults of traditional algebra - based methods such as high gain, repetitive computation and disability of real - time solution, in this paper, we propose a novel method design of observers using hopfield neural network
為了克服傳統上用代數方法設計狀態觀測器時增益過大、重復計算以及不能滿足適時性等缺點,本文提出了一種基於hopfield神經網路的觀測器設計方法。In hardware design, a / d, mt8880, serial port communication module and other interface circuit are described. in software design, the related algorithms such as scale transform, digital filter, digital zero, dtmf communication and repeated output program are considered
硬體設計主要介紹了a d轉換、 mt8880 、串列通信等模塊和介面的電路設計,軟體設計主要介紹了程序設計中比較關鍵的標度變換、數字濾波、數字調零和重復輸出等數據處理的演算法以及利用dtmf信號實現數據採集器和監測站傳輸數據的通信軟體設計。Package handling module ( package _ server ) is responsible for assigning all received messages, which can advance real time capability ; communication agent module ( sp _ agent & smc _ agent ) is responsible for communicating with external entities, but does n ' t identify message contents, which can lighten burden of package handling module ; store - and - forward module ( store _ server ) completes store - and - forward mechanism by setting up timer, and implements overtime retransferring and failure handling ; routing module ( route _ server ) is responsible for maintaining the links with the other ismgs to implement routing ; feeing module only consists of some functions which can be called to record message items
其中,業務處理模塊( package _ server )負責分派所有收到的外來消息,提高實時性;通信代理模塊( sp _ agent & smc _ agent )負責與外界實體通信,不具體識別消息,可減輕業務處理模塊負荷過重的壓力;存儲轉發模塊( store _ server )通過設置計時器完成存儲轉發機制,實現超時重傳和失敗處理;路由模塊( route _ server )負責維護與其他網關的通信鏈路,實現路由;計費模塊只是一些可供調用的函數,用來完成話單記錄的功能。Aiming at mulongtan hydropower station, this paper introduces the meaning of and protection about the temperature of hydro - generating units, the system composition, the configuration and work elements of sensors anti instrument, the means of realization with plc for temperature protection, and puts forward several measure of enhancing the temperature control system
摘要水輪發電機組溫度的監測是機組安全運行的重要保證,是水電站計算機監控系統監測的重要參數,介紹了木龍灘水電站水輪發電機組溫度測量和溫度保護系統的一般組成模式,測溫傳感器、儀表的配置與工作原理,及採用plc實現溫度保護的方法,並提出了提高溫控系統可靠性幾點措施。In this paper, the foundamental principles of fd _ bpm ( finite - difference beam propagation method ) used to simulate and calculate the process of beam propagation is first introduced. then , the theory of boundary condition is carefully presented. based on those theories mentioned above, a new kind of fd _ bpm arithmetic is brought forward. compared with the traditional arithmetic, this one has much more advantages. in virtue of the new arithmetic, author accomplished the whole simulating designs with two kinds of optical splitter ( stright y - junction optical splitter and sine - type optical splitter ), including propagation field simulating, vital parameter calculating, acquired some optimized waveguide parameters , and finished the template by those results at last
本文主要藉助這種改進的fd _ bpm演算法,對兩種結構的光分路器(直y型光分路器,上升正弦型光分路器)進行了器件設計的軟體模擬,包括對兩種結構光分路器傳輸場進行模擬,並對兩種結構光分路器的重要參數,如波導寬度,分叉角,縱橫比,損耗進行了模擬計算;得到了一些有價值的優化波導結構參數值,根據這些優化值設計製作了光刻模板。This paper introduces the design of a data acquisition circuit of the loading - capacity limiter, and analyzes on the error of the pressure sensor, power source, instrument amplifier ad620 and a - d converter
介紹了一種起重量限制器的數據采樣電路的設計,並對壓力傳感器、電源、儀表放大器ad620 、模數轉換器誤差進行了分析。This paper explains 1 - wire net, such as the hardware circuit and communication protocol, analyzes features of sensor chips ( the 1 - wire devices ) and 1 - wire ? line - powered microlan ? networking technique
著重討論了可編程的三種單總線傳感器:溫度數字傳感器ds1820 、 a / d轉換器ds2450 、計數器ds2423 。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,本文首先從如何合理組合組件入手,找到一種方法使各組件能具體分工而又緊密合作,在深入研究各組件基礎上,根據mvc模提出了ejs _ mvc模型概念,指出可按此模型組合各層組件,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,另外由於控制器是ejsmvc模型的重中之重,它起到承上啟下的作用,它設計好壞直接關繫到整個應用的性能、伸縮性與擴展性,因此又探討了控制器設計的有關問題;另外如果模型設計不當的話,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調優設計、數據庫訪問和設計模式等方面對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合模型,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合理運用組合技術,就多層j2ee體系結構的設計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。The ibm - pc computer can inspect and monitor the distant controller. ( 3 ) we used the counter and timer to improve the rate of success and the system containing error ability and avoid the infinite cycle when we design the serial communication software. moreover we adopt the checking out method
( 3 )在串列通訊軟體設計方面,採用了重復次數計數器和定時器,從而大大提高了通訊的成功率和系統的容錯能力並且避免了發生死鎖情況;在數據傳輸過程中,採用累加和的校驗方法,保證了系統傳輸的安全性、可靠性。The weigh - in - motion system of vehicle, including the structure and dynamic characters of the strain sensors, the hardware structure of signal sampling - amplifying and a / d transformation and the precision & sensor space design expression of sample mean approach was designed
摘要設計了基於應變式稱重傳感器的車輛行駛稱重系統,包括應變式稱重傳感器的結構特點、動態特性、信號採集放大與模數轉換的硬體結構,以及基於采樣平均法的信號處理精度和傳感器間距的設計表達式。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、數據傳輸的差錯檢測方法及差錯恢復方法,提出在協同設計系統中實現可靠多播的控制方法:利用序列號和計時器相結合的方法進行傳輸數據的差錯檢測,改進了基於nak反饋信息的arq重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。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「直觀幾何的整合」的建議,關于「數與代數」標準提出「模式的引入」和「圖形計算器的推廣」的建議,關于「統計與概率」標準提出「數學分支的整合」 、 「轉變教師的教學觀念」和「計算工具的使用」的建議;在理論探索層面,提出「一個基礎,兩個基本點,四個注重」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,注重學生的情感體驗和發現過程,注重技術與數學教學的整合,注重數學學習與學生生活空間的聯系,注重評價方式的多元化。分享友人