計數器效率 的英文怎麼說

中文拼音 [jìshǔqìxiàolǜ]
計數器效率 英文
counter efficiency
  • 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
  • 效 : Ⅰ名詞（效果; 功用） effect; efficiency; result Ⅱ動詞1 （仿效） imitate; follow the example of 2 ...
  • 率 : 率名詞（比值） rate; ratio; proportion
  • 計數 : count; tally; counting計數卡 numbered card
  • 效率 : productiveness; efficiency; productivity; workpiece ratio
  1. Software - practice and experience, mar. 1994, 24 : 327 - 336. 13 han d, xiao c, zhou r et al. load shedding for window joins over data streams

    分別採用了窗口計數器預估數組和頻率數組來維護相應統計信息，並在實際中使用樹狀數組取代頻率數組以提高計算效率
  2. The thesis developed the optimization design software of geometric parameter for the worm gear including strength check module, the drawing contact lines module, the change lines of tooth thickness of worm, and the parametric modelling software for the reducer which includes parametric modelling of parts and assembly. the cad prototype system is very convenient because of its accessible interfere, simple operation and written in chinese. by input design parameters ， the cad system can make optimization design and strength check for the worm gear ， draw contact lines of tooth flank of worm - gear and change line of tooth thickness of worm ， judge if the tooth flanks of worm undercut and if the sideward tooth of worm - gear hob come to a point ， make project design and structure design for the reducer and draw its 2d parts and assembly

    研究和開發了平面二次包絡環面蝸桿傳動的參數優化設計和校核軟體系統：包括幾何參數設計計算模塊，強度校核模塊，繪制齒面接觸線模塊，蝸桿齒厚變化曲線模塊和蝸桿根切判別模塊；開發了平面二次包絡環面蝸桿減速器外形與結構尺寸數據庫以及傳動效率數據庫，建立了平面二次包絡環面蝸桿傳動公差及極限偏差數據庫；開發了平面二次包絡環面蝸桿減速器參數化建模軟體：包括零部件的參數化建模模塊和裝配圖的參數化建模模塊，其中零部件的參數化建模包括蝸桿軸系的參數化建模、蝸輪軸系的參數化建模、箱體的參數化建模、端蓋的參數化建模、軸承的參數化建模和其它零部件的參數化建模軟體模塊。
  3. To investigate the practicability of a solar - direct - pumped fiber laser by using a parabolic dish concentrator, the solar power absorbed by the fiber laser and its absorption efficiency were calculated with numerical method based on the characteristics of solar spectrum in outer space

    摘要為了研究拋物面碟形聚光器實現太陽能直接抽運光纖激光器，根據空間太陽光譜分佈特點，採用數值方法，計算了用該聚光器聚集太陽能量抽運雙包層光纖激光器時光纖吸收的太陽能量及其吸收效率。
  4. Using the particle - in - cell ( pic ) model, a 8 millimeter relativistic backward wave oscillator underlying superradiance mechanism was gotten, the influence on both operation frequency and radiation efficiency of the guiding magnetic field, the diode voltage, the beam current and the beam radius as well as the corrugation structure were also presented

    採用pic方法，通過數值模擬優化設計了超輻射狀態下的8毫米相對論返波振蕩器，分析了引導磁場、二極體電壓、電子束流、電子束半徑、周期慢波結構等對器件的輻射功率及輻射效率的影響。
  5. Client supplies complete graphic user interface, accomplishing the management of jobflow and system ; communication agent accomplishes complete communication between client and server by tcp / ip network communication protocol and platform independent data communication protocol ; server supplies full support of jobflow, the superstratum are the jobflow definition subsystem and jnwengine, which are responsible for the definition and execution of jobflow ; the understratum is the network queue system, which realized the schedule and execution of job, thus all kinds of sources in computer network system can be utilized in order to improve execution efficiency and reduce job cost

    客戶端提供完全的gui用戶界面，完成用戶對作業流的管理及對系統的管理功能；通訊代理採用tcp ip網路通信協議以及與平臺無關的數據通訊協議來實現客戶與服務器之間的完全通訊；服務器端提供對作業流的全面支持，上層由作業流定義子系統和作業流引擎負責完成對作業流的定義與執行，底層使用網路隊列系統（ nqs ）來實現對作業的調度與執行，使用戶能夠最大限度地利用計算機網路系統中的各種資源，以提高執行效率、降低作業成本。
  6. Server supplies full support of jobflow. the superstratums are the jobflow definition subsystem and jnwengine, which are responsible for the definition and execution of jobflow. the understratum is the network queue system ( nqs ), which realizes the schedule and execution of job, thus all kinds of resources in computer network system can be utilized in order to improve execution efficiency and reduce job cost

    客戶端提供完全的gui用戶界面，完成用戶對作業流的管理及對系統的管理功能；通訊代理採用tcp ip網路通信協議以及與平臺無關的數據通訊協議來實現客戶與服務器之間的完全通訊；服務器端提供對作業流的全面支持，上層由作業流定義子系統和作業流引擎負責完成對作業流的定義與執行，底層使用網路隊列系統（ nos ）來實現對作業的調度與執行，使用戶能夠最大限度地利用計算機網路系統中的各種資源，以提高執行效率、降低作業成本。
  7. Do some necessary calculations and decide on the general scheme of compton back - scattering imaging scanner to the real wall inspection. include the selection of radioactive source, the calculation of compton back - scattering beam, the calculation of the basic condition of finding out the different materials and the determination of some important parameters as well. 3

    其主要內容包括入射源的選擇，散射粒子的理論計算，發現異物的最低條件計算以及系統的一些重要參數的確定，主要包括：放射源的選擇，散射角的確定，后準直器的形狀與尺寸，前準直器的尺寸，前準直孔的大小，檢測器的種類與型號，檢測器的效率等。
  8. The second one : we studied the effect of temperature on performance of lds. it was found that threshold current increase exponentially outpower and slope efficiency decrease parabola and exponentially respectively. coefficient of temperature shift is 0. 24 / k, wheras characteristic temperature also decrease with rise of temperature

    研究了溫度對激光器各參數的影響，隨著溫度的增加，閾值電流呈指數增加，輸出功率和斜率效率分別呈拋物線和指數關系遞減，同時特徵溫度也減少，波長隨溫度的漂移系數為0 . 24nm ，並且總結了一些溫度和結構設計方面的關系。
  9. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。
  10. To decimators of multi - level system designed based on the hb filter and cic filter, analysis of the filter design parameters involved, whose theory applied to multi - level cic filter of design, and designed half band filter with distributed algorithms. compared to the simulation results. these advanced algorithms applications, and further increase hardware efficiency and operating speed

    對于基於積分梳狀（ cic ）濾波器和半帶（ hb ）濾波器的多級系統設計的抽取濾波器組，分析了濾波器設計中所涉及的各個參數，將剪除理論應用於多級積分梳狀（ cic ）濾波器的設計中，並且採用分散式演算法（ da ）來設計半帶（ hb ）濾波器，並對模擬結果進行比較，這些先進演算法的應用，進一步提高了硬體效率和運行速度。
  11. After this melioration, monitor agent works more initiatively by filtrating the unrelated source data changes ; computational logic for integrator is predigested by the maintained object being changed from multi base tables to single source view on per - source ; the burden of system communication is lessened, and the maintenance efficiency is improved

    改進后信息源端的監視代理能夠自行過濾掉無關的基表增量，提高信息反應的主動性；集成器的維護對象從每個數據源上的多基表簡化為單源視圖，集成計算邏輯得到了簡化；整個系統的通信資源也減少了，提高了系統維護效率。
  12. After analyzing the switching characteristic of mosfet, the object function of optimizing curve of the output capacitance coss is confirmed according to the switching loss caused by output capacitance coss, then the optimized curve of the output capacitance coss is ascertained by applying zoutendijk to seek the optimized value with constraint ; the simulation of switching circuitry and dc - dc circuitry is tested at different frequency in pspice, then the least square method is adopted to fit simulation curves to calculate corresponding energy data

    在電子線路模擬軟體pspice中進行了mosfet開關電路以及典型dc dc轉換線路模擬測試，針對不同頻段的測試結果，採用最小二乘擬合法對模擬曲線進行擬合，計算出相應的能量數據，最後綜合模擬結果確定出減小器件開關損耗，提高dc0c轉換線路效率的器件輸出電容cob優化曲線。
  13. Aiming at such problems in combustion system of homemade middle and miniature boiler, as a complex system with the character of dead zone, time variation, serious non - linearity, large time delay, coupling and a lot of disturbance, this paper presents a new set of optimal control resources. by using well - matched control method on system, stable automatic running is realized. having the serious divulgence coals difference a lot from each other in character, instability of chemistry, value of lowest emission of heat, home - made boiler controller is not at all ideal. instead of traditional model that controls the ratio based on proportional control or with the correct signal of the amount of oxygen, this paper, combined with intellect control theory - - fuzzy control and self - optimizing concept, propounded a kind of fuzzy self - optimizing controller to be used in air supplying system of the boiler, and expatiates on the idea of dividing the control process into two parts, dynamic and static to realize, thus meets the demand of homemade boiler economic running

    本設計針對國產中、小型電站鍋爐燃燒系統參數時變、嚴重非線性、干擾因素復雜、耦合嚴重、模型不易確定的特點，提出多變量協調控制方案，解決了系統可控性差，難以實現穩定自動運行的問題；在此基礎上，改變以往以煙氣含氧量控制送風的傳統模式，針對國產電站鍋爐設備主體及一、二次送風迴路泄露嚴重，煤種混雜、成分不穩定、燃燒發熱值低、燃燒效率不高等問題，應用智能控制理論中的模糊控制技術，結合自尋最優控制的思想，設計了一種模糊自尋優控制器，應用在電站鍋爐送風控制系統上，並闡述了動靜態兩種實現途徑，通過在線優化風煤配比，實現最佳經濟燃燒，切實保障了鍋爐的經濟運行。
  14. This paper presents the r & d of the pcb auto locate drill based optical scanning. this thesis targets to discuss an application of combination with machine visual technology, machinery technology and nc technology in the r & d of machine for pcb manufacture

    本課題旨在將機器視覺技術結合機械製造技術和數控加工技術應用於pcb製造機器的設計研發之中，從而可以提高pcb的加工效率和精度，降低生產成本。
  15. This paper introduces the development process of wastewater disposal, it ' s auto control system, the level of nowadays and several new techniques of china and foreign countries. the immanent structure, control rules, main features and design methods of auto control systems in wastewater disposal process are studied in this paper. aiming at four typical parameters, such as temperature, dissolved oxygen, ph and the planes of water, the distributed control system is designed, composed by pc called epigyny computer and scm 8098 called hypogyny computer, and some sensors, shift deliver utensils and related meet orifices of parameters gathering and figures communication

    本文介紹了國內外污水處理及其自動控制系統的發展過程、當今水平和提高自動化程度的若干新技術；研究了污水處理自動控制系統的內在結構、控制規律、主要特點和設計方法；選取污水處理中的典型參數溫度、溶解氧、 ph值和液位等為控制對象，設計了以個人計算機為上位機、以8098單片機為下位機，並輔之以傳感器、變送器及相關介面單元所構成的二級集散控制系統（ dcs ） ；介紹了幾個主要程序模塊的設計思路、工作過程，這些程序模塊是：用高級語言visualbasic6 . 0開發的上位機人機交互界面程序、數據處理和圖表輸出程序，用執行效率高的匯編語言開發的下位機數據採集與系統監控程序、上位機與下位機之間的數據通信程序，匯編語言與vb之間的轉接程序，等等。
  16. 3. on boiler retrofit, the calculation of fuel burning, the heat calculation of boiler inside structure and convection section, and the design of structure parameter of feed water heat exchanger are made. the flue gas channels " resistance calculation and the boiler strength verifying are also carried out. replacement of water cooling wall improves heat exchanging and decreases loss of heat radiant

    對鍋爐本體進行了燃料燃燒計算、爐膛結構熱力計算、對流受熱面結構熱力計算、鍋爐給水加熱器結構參數設計、煙道阻力計算及鍋爐元件強度校核等；改進了水冷壁布置使換熱效果更好，減少輻射換熱損失；改進對流段結構，更充分的利用爐膛出口煙氣余熱，提高熱效率；並且進行了煙氣阻力計算、熱效率計算和能量平衡測試，對改進后的稠油燃料和改進前進行了對比，燃燒狀況和熱效率有明顯改善。
  17. Due to the low mechanical efficiency and long circulating period of the down - charging system of cold bed in bar production line, this paper puts forward the improving project, which adopts ethernet supplemented by dp network, applies the fm350 - 2 advanced counter and suitable maths model and combines the technique of the transducer and hydraulic pressure drive control to realize auto - control

    摘要針對棒材生產線上冷床下卸鋼系統機械效率低、運行周期長，不能適應快節奏生產的現狀，採用以工業以太網為主、 dp網為輔的網路通訊，應用西門子fm350 - 2高速計數器，通過有效的數學計算模型，結合變頻器和液壓傳動控制技術，實現網路自動化控制。
  18. The operating principle of the converter is analyzed, and the design procedures of the main circuit and control circuit are presented. the loss of the converter is discussed including power devices, rectifier diode, magnetic components and etc., and the mathematic model of loss distribution and theoretical efficiency are obtained by means of mathcad

    本文還對變換器的損耗進行了詳細分析，包括開關管、快恢復二極體、變壓器和電感等元器件的損耗機理及其損耗計算方法，並用數學軟體mathcad建立了損耗的數學模型，給出了損耗分佈情況及變換器效率。
  19. Analyze ipo, production reports, data, include : machine efficiency, man power, material consumption, wastage percentage, various between plan and fact. make suggestions for improving production and process management

    對生產訂單、報告、數據進行分析，包括：機器效率、人工時間、物料消耗、廢品率、計劃與差異等；為改進生產和過程管理提供依據和建議。
  20. Practical implementations of quantum key distribution systems use attenuated laser pulses as the signal source rather than single photons. the channels used to transmit are lossy. on the basis of above two points, a combining eavesdropping strategy of intercept - resend and beam - splitting is discussed in terms of eavesdropper ' s technology requirement and detection efficiency and dark count of single - photon counter

    主要工作包括以下三部分：一、基於實際量子密鑰分配（ qkd ）系統中所使用的強衰減的激光脈沖不是單光子，量子密鑰分配的通道不是無損耗的，光子計數器存在探測效率和暗計數以及竊聽者的技術能力也不是無限的這些具體問題。
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