提前量計算器 的英文怎麼說
中文拼音 [dīqiánliángjìsuànqì]
提前量計算器
英文
lead computer- 提 : 提動詞(垂手拿著) carry (in one's hand with the arm down)
- 前 : Ⅰ名詞1 (在正面的) front 2 (次序在先的) first; top 3 (過去的; 較早的) ago; before; preceding...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 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...
- 算 : Ⅰ動詞1 (計算數目) calculate; reckon; compute; figure 2 (計算進去) include; count 3 (謀劃;計...
- 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
- 提前 : 1 (往前移) shift to an earlier date; move up (a date); bring forward; advance 2 (事先) in a...
- 計算 : 1 (求得未知數) count; compute; calculate; reckon; enumerate 2 (考慮; 籌劃) consideration; pla...
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And more aperture extension is achieved in this novel esprit - based two - dimensional angle estimatio n scheme using a uniform rectangular array of vector hydrophones spaced much farther apart than a half - wavelength. this proposed scheme and the attendant vector - hydrophone array outperform a uniform half - wavelength spaced pressure hydrophone array with the same aperture and slightly greater number of component hydrophones by an order of magnitude in estimation standard deviation
結合實際的應用情況,對矢量水聽器構成的陣列進行了初步的探討,利用本文前面部分所分析的基於單矢量水聽器的方法,實現了陣元間距突破半波長上限的局限,並解決了角度估計的循環模糊問題,以較小的硬體代價和運算代價實現陣列孔徑的擴展,提高估計精度。The dynamic data of displacement, strain and impetus force acquired from the experimental collection system are also well analyzed for measuring precision and errors. based on the underlying work and experimental features, the thesis proposes a simple, practical and well accurate impetus resultant force fitting method, weighted factor fitting method. a line - off data processing software system for bird - impact experiment, named as cadabie, is well designed under the principle of software engineering, and has been applied, with high praise, in bird - impact laboratory in the factory numbered 320 and esfahan bird - impact laboratory of iran
本文系統總結了鳥撞實驗的全部過程、主要儀器設備的工作原理與性能參數,分析了鳥撞實驗動態數據採集系統中位移、應變與撞擊壓力傳感器測量系統的測量范圍、測量精度及其工作特點,提出了一種更適合鳥撞實驗的撞擊合力計算擬合方法:加權因子法,同時應用軟體工程原理編制了「鳥撞實驗計算西北工業大學博士論文機數據分析系統」 ( caoabie ) ,目前該軟體己經在320廠鳥撞實驗室以及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。This paper presents a three - phase harmonic power flow algorithm using phase components and back - forward sweep method to solve the disconvergence when the three - phase transformer harmonic model was used. the example result presented the method was feasible and
本文針對在進行三相諧波潮流演算法時因引入三相變壓器諧波模型而可能導致計算結果不收斂問題,提出了諧波潮流計算的相分量法,其中引用了前推-回代法。In this paper, some off - line manual methods for regulation of flow equation have been compared and analyzed. based on pid speed governor of turbines, two kinds of governors are designed for adjustable - blade pump, which can perform autoregulation on water height of the fore bay and on pump output by adjusting the blade angle of adjustable - blade pump. the computation models of the two kinds of governors are also offered and the transient simulation can be done on pc
文中,比較分析了現有的多種離線手動調節流量平衡的方法,在水輪機pid調速器的基礎上,針對轉槳泵設計了兩種新型調節器,通過改變轉槳泵的葉片安放角,分別能對泵站前池水位和泵的輸出流量進行自動調節;提出了兩種新型調節器的計算模型,使轉槳泵在線自動調節動態模擬得以在微機上得以實現。Based on x - filtered lms algorithm and - filtered lms algorithm adaptive inverse control, we use a new variable step size lms algorithm. adding little computation, variable step size lms algorithm can result in fast convergence speed and low residual error simultaneously. the adaptive feedback control can counteract the beginning error of the system
在原來的x -濾波lms演算法自適應逆控制和-濾波lms演算法自適應逆控制方法的基礎上,引入了新的變步長lms演算法,在計算量增加不多的前提下,能同時獲得較快的收斂速度和較小的穩態誤差;引入自適應的反饋補償控制克服了被控系統的直流零頻漂移,使控制系統在初開始工作階段快速收斂;還引入自適應擾動消除器,它能最大限度的消除擾動。Through study of correlative contents of advanced computer cybernetics, artificial intelligence, the domain knowledge and special crop growth mechanism in greenhouse, we present the system of multi - sensor data fusion ( msdf ) based on radial basis function network ( rbf ) to implement on line detection for nutrient - liquid, which may realize multiple components detection on - line, for example no3 -, cl -, ca2 +, ph, ec, nh4 +, k + and so on. the soft sensor ' s mechanism is introduced to overcome the limitations of sensor ' s manufacturing process. to improve the believe - degree of soft sensor ' s result, we analyze soft sensor ' s result by uncertain inferential capacity and combination rule of evidential theory
本論文通過對計算機技術、控制理論、人工智慧技術和設施農業領域知識等相關理論的研究,結合對特定溫室蔬菜生長的研究與機理分析,提出了一種基於rbf神經網路的營養液多傳感器數據融合( msdf )系統,實現對營養液組分: no _ 3 ~ - 、 cl ~ - 、 ca ~ ( 2 + ) 、 ph 、 ec 、 nh _ 4 ~ +和k ~ +的在線檢測;對于由於目前傳感器製造工藝的限制而不能在線檢測的離子成分如磷酸根和硫酸根,提出了一種基於徑向基函數網路的軟測量機制,可以有效地實現對營養液中磷酸根和硫酸根成分的實時檢測;為了提高軟測量結果的可信度,利用d - s證據理論的不確定推理能力和合成公式,結合領域知識對軟測量結果進行可信度分析。In this system, mean velocity pipe is applied to transform the air velocity signal into pressure difference signal, and then the pressure difference signal is input into pressure difference transmitter to realize the transform of the pressure difference signal from non - electricity signal to electric current, and through the resistance in the corresponding sampling circuit the electric current is transformed into voltage signal ; the thermocouple is used as the primary element to realize the transform from temperature signal to the voltage signal ; under the control of communication agreement module, diversified voltage signal is transported into computer by way of a / d conversion module, and then the monitoring software compiled beforehand is transferred to deal with all the voltage signals relatively, the result of which is conveyed to relative interface to display
該裝置具有三個特點:一是採用表面式測溫方法,有效地減少了元件的維護與損耗;二是採用工業控制計算機及信息就地採集、數據總線傳輸的方式,充分利用計算機和數據自動採集方面的技術,實現各種參數的在線測量,監測指標全面,能與dcs系統聯用,具有技術先進性和一定的前瞻性;三是採用顯示器配工業觸摸屏的顯示方式,為現場運行人員提供了簡單、易學、方便的操作模式。本裝置自2001年8月投入運行以來,有效地幫助、指導運行人員進行燃燒調整,對于鍋爐和機組的安全、經濟運行發揮了重要作用。The algorithm of strapdown inertial navigation system is also discussed and then use the flight - track generator to give a simulation, since a closed loop feedback integrated navigation system is designed in this paper, and the output of the filter must feed back to the strapdown inertial navigation system, the analysis of the algorithm in strapdown inertial navigation system is important. the scheme to design the trajectory of gps and the simulation of gps constellation are then studied, the simulation of gps constellation is given from the calculation of vernal equinox base on the principle of celestial mechanics, this method of different from other methods given by other paper and is useful to the research of satellite navigation system. a new method to abstract noise modal in integrated navigation system is proved to be useful in practice, this method, which is given by use the principles of stochastic processes, statistics, time series analysis, and system identification, is suitable for the kalman filter in integrated navigation system
如航跡產生器的設計,該航跡產生器是研究組合導航問題的前提,從國外一些研究組合導航系統的文獻中可以看出,設計這樣一個航跡產生器是非常必要的,所以本文自行設計了這樣一個系統;還討論了捷聯慣性導航系統中捷聯解算的方法,並進行了模擬研究,由於在本文設計的閉環反饋式組合導航系統中,對捷聯慣導系統的平臺誤差進行閉環控制,需要將濾波器輸出的校正量反饋到捷聯解算內部,所以必須對捷聯解算進行深入的研究和分析,更何況捷聯解算問題本身也是導航界的一個熱門研究課題;另外,本文還介紹了gps軌道及其星座模擬的設計思想和方案,與以往gps軌道和星座模擬不同的是本文從天體力學中計算春分點開始,逐步進行gps軌道及其星座模擬,這樣的設計方法對從事衛星導航的研究工作是有價值的;還對組合導航中誤差建模方法進行了研究,綜合運用隨機過程、概率統計、時序分析及系統辯識等方面的理論提出了一套適合組合導航卡爾曼濾波的誤差建模方法,並運用實際研究工作中的測量數據對該方法進行了驗證。As long as the growth of subscribers is in synch with the evolution cpu power, we are confident that we can grow that cluster far above that, following the growth of subscribers
只要全球計算機cpu (以及相應所有的硬體)技術水平的發展速度能和付費玩家數量的增長速度同步提高,我們堅信我們總能設計出高於當前玩家數量負載要求的服務器系統。This instrument hopes to control the step - motor regularly, and collects the datum of the distance between the laser sensor and the wall simultaneously, then calculates area according to the theory of triangle, finally sums up all the area and makes the output
本系統前向通道信號由激光傳感器提供,後向通道信號發給步進電機、傳感器,由於是旋轉式測量,必須控制激光發射信號的通斷和步進電機的步距角,否則測出的值是無法計算的。In tradition, worker must computer, then change the gear for regulating the quantity of seeding by himself. this system can regulate it automatically by a microcomputer inside after inputting the demand of seeding quantity, and the regulating precision improved
此系統與傳統播種機人工計算、更換齒輪調整播量的方法不同,而是利用單片機可編程的優點,在播種前輸入播量、排種器類型及五輪儀打滑移率等參數,系統內部會自動進行計算調整,提高了調節精度。A simulation method is proposed to predict the motion artifacts of plasma display panels ( pdps ). the method simulates the behavior of the human vision system when perceiving moving objects. the simulation is based on the measured temporal light properties of the display for each gray level and each phosphor. both the effect of subfield arrangement and phosphor decay are involved. a novel algorithm is proposed to improve the calculation speed. the simulation model manages to predict the appearance of the motion image perceived by a human with a still image. the results are validated by a set of perceptual evaluation experiments. this rapid and accurate prediction of motion artifacts enables objective characterization of the pdp performance in this aspect
針對目前等離子顯示屏普遍存在的運動偽像問題,提出了一種新穎的模擬計算方法,該方法實現了對等離子體顯示屏運動偽像的準確、快速估計.該方法通過測量等離子顯示屏不同顏色不同灰度下光信號隨時間的變化情況,模擬人眼對運動圖像的視覺感知行為,模擬計算出任意圖像以一定速度運動下的視覺感知效果.新演算法不但加入了等離子顯示屏熒光粉的延遲效應的影響,而且提高了模擬計算速度.所得模擬結果與實際主觀視覺感知實驗相符.這種快速準確的估計使對等離子顯示器件運動偽像的客觀評價成為可能Abstract : a simulation method is proposed to predict the motion artifacts of plasma display panels ( pdps ). the method simulates the behavior of the human vision system when perceiving moving objects. the simulation is based on the measured temporal light properties of the display for each gray level and each phosphor. both the effect of subfield arrangement and phosphor decay are involved. a novel algorithm is proposed to improve the calculation speed. the simulation model manages to predict the appearance of the motion image perceived by a human with a still image. the results are validated by a set of perceptual evaluation experiments. this rapid and accurate prediction of motion artifacts enables objective characterization of the pdp performance in this aspect
文摘:針對目前等離子顯示屏普遍存在的運動偽像問題,提出了一種新穎的模擬計算方法,該方法實現了對等離子體顯示屏運動偽像的準確、快速估計.該方法通過測量等離子顯示屏不同顏色不同灰度下光信號隨時間的變化情況,模擬人眼對運動圖像的視覺感知行為,模擬計算出任意圖像以一定速度運動下的視覺感知效果.新演算法不但加入了等離子顯示屏熒光粉的延遲效應的影響,而且提高了模擬計算速度.所得模擬結果與實際主觀視覺感知實驗相符.這種快速準確的估計使對等離子顯示器件運動偽像的客觀評價成為可能In order to improve the quality of laplace operator image segmentation at a high real time capability this paper presented a synchronization dimensional structure filter for laplace operator
摘要為了在繼承拉普拉斯運算元高實時性的前提下提高圖像分割質量,設計了一個可與拉普拉斯運算元差分計算同步進行濾波工作的空間濾波器。The way is associated with the development of high speed cpu so as to real - time compute some gaussian function. it presents a way with tolerant idea for solving the security and reliability in dcs now
這種方法結合目前高速微處理器的發展,少量實時計算帶有高斯函數的方程,為目前集散控制系統的發展提供了一種帶有容錯化的思想。Based on above performances the applications of multi - sensor data fusion in state estimation for maneuvering target is studied systemically. the main work includes : based on the analysis that the extreme value of acceleration presupposed causes influence in the “ current ” statistical model, a modified model is given, which utilizes the functional relationship between maneuvering status and estimation of the neighboring intersample position vector to carry out the self - adaptive of the process noise variance. then combining with the recursive characteristic of kalman filter, an improved self - adaptive filtering algorithm is presented
基於此,本文針對多傳感器數據融合技術在機動目標狀態估計中的應用進行了系統的研究,其主要工作如下: 1 、基於「當前」統計模型中加速度極限值的預先設定對于濾波效果影響的分析,利用目標機動狀況與相鄰采樣時刻間位置估計量變化之間的函數關系實現噪聲方差自適應,進而提出了一種修正的模型,並結合卡爾曼濾波遞推演算法,提出了一種改進的自適應濾波演算法。This paper analyses the type, function and characteristics of usual proportional control valves and raises a new modificative version in the light of their drawback. that is, basing on the principle of flow amplification and electrical feedback and throughout calculation and analysis on flow closed loop control and pressure flow combination., determination of the minimum controlled pressure difference as well as flow controlling range and structure of main valve and research of the dynamic and static characteristic, the paper puts forward control principle of " flow - load pressure change - displacement revision " and pressure / flow double closed loop, and further expounds that using a proportional controller and a electric mechanical transducer can separately serve the control function of pressure or flow as well as flow pressure combination
本論文分析了目前常用比例閥的類型、功能、特性,並針對其不足提出新的改進方案,即:以流量放大,電反饋兩個原理為基礎,通過對流量閉環控制及壓力流量復合的計算分析、確定上最小控制壓差及流量控制范圍,確定主閥結構、功能特性研究等,提出了「流量? ?負載壓力變化? ?位移修正」的控制原理和壓力流量雙閉環控制原理,並進一步論述了利用一個比例控制器和一個「電?機械轉換器」就可完成獨立的壓力或流量控制功能以及流量壓力復合控制功能。In addition, this thesis tries to synthesize asp technology, ado, html, xml, svg and script programming, and integrates svg viewer and ie browser together, operates files which store data information using xml dom object, and makes the best of the latent energy of the computer network, so as to realize the web online publishing of graphics and images in cvidraw platform
此外,本論文嘗試了在綜合asp技術、 ado組件、 html 、 xml標記語言和svg矢量圖像、及腳本編程的前提下,將svgviewer與ie瀏覽器集成在一起,通過xmldom實現對儲存數據信息的文件進行操作,並充分發揮計算機網路的潛能,實現cvidraw平臺圖形圖像的在線web發布。Now, the real time, precision of calculation and the velocity of runningdatum are required to improve on backup protection device for transformer. single - chip system can ’ t satisfy user ’ s requirements in many situations
目前,對變壓器保護裝置的實時性、計算精度和大量數據運算速度的要求不斷提高,單片機系統在很多場合下已經不能很好的滿足用戶要求。分享友人