估算程序性能 的英文怎麼說

中文拼音 [gūsuànchéngxùxìngnéng]
估算程序性能 英文
estimation program behavior
  • 估 : 估構詞成分。
  • 算 : Ⅰ動詞1 （計算數目） calculate; reckon; compute; figure 2 （計算進去） include; count 3 （謀劃;計...
  • 程 : 名詞1 （規章; 法式） rule; regulation 2 （進度; 程序） order; procedure 3 （路途; 一段路） journe...
  • 性 : Ⅰ名詞1 （性格） nature; character; disposition 2 （性能; 性質） property; quality 3 （性別） sex ...
  • 能 : 能名詞（姓氏） a surname
  • 估算 : estimate; reckon （up）
  • 程序 : 1 （進行次序） order; procedure; course; sequence; schedule; ground rule; routing process 2 [自動...
  1. During the process of system reasoning, h / hcs - 017 swath sounder was used for reference. by the procedure of scheme reason of hydro - device, such as performance choosing and parameters rough estimation, device selecting and performance index ' s checking computation, balance between application index and technical index of system, elementary technical scheme and report text are studied out in final. finally, we applied the theory and method in the software, designed in vc6. 0, which can be used for the further improvement of swath sounder aftertime

    在系統論證過程中，借鑒了h hcs - 017型條帶測深儀的系統論證，通過性能的選取及性能參數的估算、設備方案的選擇和使用性能參數指標的驗算、設備使用指標與技術指標的平衡等水聲設備方案論證的程序，最後擬定初步的技術方案和報告文本。
  2. 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

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;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量秒耗量和向機動目標施加的實際推力
  3. Design procedure of u - shaped anti - rolling tank system is established, and program of scale design for tank is summarized, and an innovation selecting the natural frequency of controlled passive anti - rolling tank is put forward according to variation range of wave frequency, the natural frequency of rolling of a ship and other influencing factors, and causes of formation of tank damping and motion state of water in tank are studied, calculation formula of the u - tube tank damping and design method of tank damping configuration are given, and the influence of tank vertical location within the ship on ship parameters, stabilization performance of tank and water motion in tank is studied

    建立了完整的u型減搖水艙系統設計程序；總結了u型減搖水艙尺度設計；提出了根據波浪頻率變化范圍、船舶固有頻率變化范圍和其它影響因素，選取可控被動式減搖水艙固有頻率的新方法；分析了u型減搖水艙阻尼的形成原因，給出了估算水艙阻尼和設計水艙阻尼結構的方法；研究了減搖水艙在船舶中的垂直位置布置對船舶參數、水艙減搖性能和艙內流體運動性能的影響。
  4. The people can apperceive the virtual environment of 3d simulated model developed by computers, carry the nc process of parts in virtual condition before the true doing when we design or alter a project, inspect the exactitude and justification of nc program, evaluate and optimize the project of process. thereby the intention, abridging the time of developing products, depressing the cost of manufacture, advancing the quality of products and the efficiency of production, can be finally achieved

    人能夠憑直覺感知計算機產生的三維模擬模型的虛擬環境，在設計新的方案或更改方案時能夠在真實製造之前在虛擬環境中進行零件的數控加工，檢查數控程序的正確性、合理性，對加工方案的優劣做出評估與優化，從而最終達到縮短產品開發周期、降低生產成本、提高產品質量和生產效率的目的。
  5. And in allusion to the shortcomings on the fitting of noises by least square, a new procedure is presented to modify the estimations of model parameter of the noise. it can control the effects of the correlation noise of except for first order self - correlation noise. using the model the error of gps / ins integrated navigation system is estimated

    再次，針對卡爾曼濾波方程的前提條件不滿足而影響導航系統的精度的問題，應用時間序列分析理論提出了一種改進的噪聲模型參數估計演算法，對此演算法進行建模，模擬結果表明，該演算法能有效的控制一階自相關特性以外的噪聲對參數模型估計的影響，提高卡爾曼濾波精度。
  6. Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system. in order to attain the graph that pressure, position, velocity, acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method, dynamic simulation of the hydraulic system is studied in matlab 6. 5. it is convenient to analyse dynamic characteristics of the hydraulic syste m, beneficial to the design and parameter optimization of the hydraulic system. in the final part of the paper, under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders, control system based on the programmable logic controllers founded on technology of modern compute is designed

    由於液壓打樁錘液壓系統是一個復雜的非線性系統，本文採用功率鍵合圖法建立液壓打樁錘上行、下降的鍵合圖模型和狀態空間方程，通過四階龍格?庫塔法和預估?校正法相結合編制了模擬程序對狀態空間方程求解，在matlab6 . 5中進行液壓系統的動態模擬，獲得液壓打樁錘運動過程中壓力、位移、速度、加速度等隨時間變化的曲線圖。此曲線圖方便了對液壓系統動態特性分析，為液壓系統的設計和參數優化提供了有益的借鑒。最後，在深入分析雙缸雙作用液壓打樁錘控制系統的功能要求后，採用了以現代計算機技術為基礎的新型工業控制裝置? plc可編程式控制制器，設計出了雙缸雙作用液壓打樁錘的電器控制系統。
  7. In this dissertation, the research trends for the problem have been introduced ; the ‘ dim ’ and ‘ point ’ has been strictly defined in mathematics from machine vision and human vision ; the ideal clutter suppression system based on clutter predication and the realization and evaluation of evaluation index has been studied, in succession the clutter suppression technologies have been researched. firstly, the classic nonparametric algorithm has been analyzed in detail and systematically, for it ’ s weakness that it cannot remove the non - stationary clutter ideally, kalman filter algorithm for clutter suppression in 2d image signal has been built. secondly, fast adaptive kalman filter is presented based on fast wide - sense stationary areas partition algorithm : limited combination and division algorithm based on quarti - tree algorithm, new taxis filter route algorithm which can break through the limitation of the necessity of pixel neighborhood of 2d filter and laplace data model with two parameters which is perfectly suitable for the residual image of kalman clutter suppression

    首先分析了經典的非參數法，對於四種具有代表性的核，從前述的三個性能評價方面做了分析和對比，指出了其速度快的優點和對非平穩圖像適應性差的弱點，針對非參數法的弱點，重點研究了對非平穩圖像適應良好的卡爾曼雜波抑制技術:建立了非平穩圖像的類自回歸模型，在此基礎上建立了二維卡爾曼濾波基礎的兩個方程:狀態方程和測量方程;建立了非平穩圖像準平穩區域快速劃分演算法:基於四叉樹法的有限分裂合併演算法;二維空間的基於k排序的濾波路線演算法，突破了空域濾波路線上區域相鄰的限制;在這些研究的基礎上實現了快速卡爾曼估計，實驗驗證了該方法相對逐點卡爾曼估計可以提高運算速度三倍左右;雜波抑制結果表明傳統的高斯性檢驗並不適合卡爾曼估計后的殘余圖像，由此建立了殘余圖像的雙參數拉普拉斯模型，實驗表明其可以完好的吻合殘余圖像的概率密度曲線。
  8. Especially, in the latter model, the matched degree of system space and mission is taken as standards. and we also establish an index system and a model of c4isr system efficiency analysis correspondingly. after then some methods and algorithms are introduced, which include the principles and the method of choosing efficiency index and parameter index, the method of index filtering, the method of determining index function relation, the revising algorithm of ahp weight and the sort algorithm of judgment matrix

    作者對國內外c ~ 4isr系統效能分析的主要方法進行了比較分析，提出了一種以指標體系為基礎的層次效能評估靜態模型和以系統空間與使命的匹配程度為目標的動態評估模型相結合的評估思想，建立了c ~ 4isr效能分析指標體系與模型，給出了性能指標與參量指標選取的原則與方法、指標篩選方法以及指標函數關系的確定方法、 ahp的權值修正演算法、含灰元的判斷矩陣排序演算法等。
  9. At the same time, according to the reverse problem of impeller machinery design, focusing on the noise performance, the counter calculation software was developed to estimate the noise of cooling fan to provide the elementary verification of the design effect

    同時，根據葉輪機械設計中的反問題的提法，針對發動機軸流冷卻風扇的噪聲性能，編制了反算程序，用於預測估計冷卻風扇的噪聲性能，從而為設計效果的驗證提供初步依據。
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