空速誤差 的英文怎麼說

中文拼音 [kōngchā]
空速誤差 英文
airspeed error
  • : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
  • : Ⅰ形容詞(迅速; 快) fast; rapid; quick; speedy Ⅱ名詞1 (速度) speed; velocity 2 (姓氏) a surna...
  • : Ⅰ名詞(錯誤) mistake; error Ⅱ動詞1 (弄錯) mistake; misunderstand 2 (耽誤) miss 3 (使受損害...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • 空速 : [航空] airspeed空速表 airspeed indicator; airspeed meter; 空速計 airspeedometer; 空速計算器 airsp...
  • 誤差 : error
  1. In chapter two, we consider full disceret scheme of mixed finite element methods for the following initial - value problems of linear integro - differential equations of parabolic in this chapter, we give the error analysis of this full discrete scheme and get optimal error estimates for the discrete solutions of u and p

    第二章討論下述線性拋物型積分微分方程初邊值問題混合有限元方法的后全離散格式。給出了該全離散格式的分析,得到了離散解逼近未知函數u以及伴隨度p的關于間和時間的最優階估計。
  2. By taking advantages of epipolar line features and depth discontinuities in reference 中國科學院 軟件 研究所 博士 學位 論文 基于 圖 象 的 快速 繪制 技術 的 研究 images , an efficient inverse wmping algorithm is pfoposed in chapter 3 for gcnerating nagcs of novel views by combining multiple eference images 帆 enhm different vie 呷 oints because continuous segnents determi 。 d by pairs ofedge pixels at co 。 spending epipolar lines are order kept , only pairs of edge pixels in the reference 渝 明 e e necess 叨 口 cowute to obtain generalized disparity of all points in the desired image as a result , sighficant acceleraion could be made in the endering pfo 比 鴕 two accelerating techiq 此 s e presented in this algori 山 mb accelerate the hole illing process his algorithm extends the reference images rom projection of single col : ii ’ ected surface in previously developed nvnverse w 出 下 er to ima 驢 s captured rom complex scene in chapter 4 , an 《 dent ibr method is prese 庇 仙 y takn ull 訕 antage of 呷 bies c 咖 the method can simulate the 3d details on sllri : ace of object successfully he 。 叩 proach , called rered ature mopmp consists of two pans at fst , an origi 。 ltexture with orthogonal displacements per pixel is deco 啊 osed into a series of new t6 刀 mfcs with each 他 lug a given displacement per pixel , called ae , ea atures , or lt hen hese lt e used to render the novel view by conventional texture mapping d avoid gaps n the endered hlla 驢 , some phels are to be interpolated nd extended in the 廠 kaccoding to the depth differe eee between two neighbor pixels in the original texture as these ltlt fc … e much storage nd therefore much time is equired to install ltlt into the text ’ ufc buffec an 舊 thod is pfoposed to co 呷 fcss the ltlt , nd the cottcspondingfclldering method is given experimental esults show that the new method is efficient , especially n rendering those objects with a smaller depth rnge compared withtheir size , such as relief surfaces of building

    與己有的三維變換方法相比較,該方法不但成功地填補了由於投影區域擴張而產生的第一類洞,而且成功地填補了由於間深度非連續物體相互遮擋而產生的第二類洞,從而方便地實現了虛擬環境中的漫遊;基於物體表面深度的連續性,本文提出了一個位移預測方法? ?此方法可以從單幅參考圖象獲得逆映射過程中所需要的目標圖象的位移信息,從而大大提高了演算法的效率:與通常的正向映射演算法相比,此演算法克服了多幅參考圖象所帶來的計算量成倍增長等問題,而且較小。 2 )基於極線幾何的快逆映射演算法。利用參考圖象的邊界信息與隱含的遮擋關系,以及極線幾何的性質,本文第三章提出了一個基於極線幾何的快3 『一中國科學院軟體研究所博士學位論文基於圖象的快繪制技術的研究逆映射演算法,從多幅參考圖象精確合成當前視點目標圖象。
  3. It is especially attractive for the downlinks and suppressing intercell mai. when multiuser detector is adapted in blind mode, it usually adopts eignvalue decomposition or singularvalue decomposition of received sample correlation matrix and tracking alrithgms, which result in high computational complexity. at the same time, approximation computation in tracking alrithgms also result in slow convergence

    為實現盲自適應檢測,通常採用對接收信號樣本矩陣進行特徵值分解( evd )或奇異值分解( svd )后進行跟蹤,由此帶來的子間秩跟蹤使得實現復雜度很高;另一方面,在跟蹤演算法中考慮一些實際情況而作出近似處理,從而引起積累和正交性,導致每次跟蹤開始階段跟蹤度變慢。
  4. The prediction error percentage of the 52000t all - purpose cargo ship compared with the model test result is 21. 8 %, 300000t vlcc compared with the measured value is merely 3. 64 %

    用該公式預報的5 . 2萬噸多用途貨船的脈動壓力值與泡水筒中的實驗值相比為21 . 8 % ;預報了30萬噸超大型油船的激振力並由該激振力算出的尾端振動度值與實測值相比僅為3 . 64 % 。
  5. Model ftjr600 - 800 microcomputer control high - speed continuous - rolled vest bag making machine has such functions as photoelectric automatic tracking microcomputer length setting, high limit stopping, automatic counting, automatic alarm on reaching the set value, high compensation accuracy with such characteristics as neat bags, little error and high automatic of whole machine, so it is a kind of ideal equipment for producing blank bags, colorful bags, flat bags and vest bags etc and other various plastic soft packing bags

    模型ftjr600 - 800微機控制高連續軋制背心袋製作機等功能的光電自動跟蹤,微電腦定長,高限制停車,自動計數,自動報警到達設定值,高補償精度等特點整齊袋,小,高自動化整機,所以它是一種理想的生產設備白袋,袋豐富多彩,平面袋背心袋等,以及其他各種塑料軟包裝袋。
  6. The induction of ais technology still ca n ' t integrated with the devices of old system satisfactorily, the data of ais is only shown on the electronic chart background in ecdis, but does n ' t fulfill the fusion with the data of radar. more, some system functions related with display and interface still need be perfected, such as quickly moving, auto select chart, static information associate with target display, etc. the integrated information processing and display system researched in this thesis has been successfully applied in some vts projects and related projects, such as cheng - dao oil field survey system, yan - tai mount vts rebuild project etc. to the disadvantage exposed to us in national and foreign vts system, and those putted up in application projects, the thesis did a farther study and consummation, and acquired some research fruits, as follows : 1. fulfilled the eagle eye function in electronic chart display system

    針對目前國內外vts系統中暴露出的薄弱點,以及應用實踐中表現出的不足本文對綜合信息處理與顯示系統做了進一步的研究和完善,取得了以下的研究成果: 1 、電子海圖顯示系統中鷹眼圖的功能設置與實現; 2 、設計一種簡易的選圖演算法,通過該演算法實現可在海圖放大、縮小時的自動選圖; 3 、電子海圖上自動錄取區的實現(二次自動錄取) ; 4 、實現對雷達和ais目標數據及其的軟體模擬; 5 、船舶自動識別系統中動態信息與雷達動態信息的數據融合處理; 6 、利用數據融合技術解決雷達目標跟蹤方面的問題; 7 、海圖間信息中顯示區域裁減演算法的設計,該模塊的實現大幅度提高了海圖的顯示度。
  7. A kinematics model for 3d guidance problems is derived, a new kind of nonlinear variable structure adaptive guidance law is brought up by researching the variable structural strength item, and another fuzzy variable structure guidance law with self - adapt region is realized to enhance robustness of target acceleration estimate error of guidance law

    本文建立了三維間追逃問題的數學模型;通過對變結構控制中其變結構強度項的研究,提出一種新型變結構自適應制導律;並且考慮到對變結構強度項進行模糊化,實現一種論域自調整的模糊變結構制導律,以增強制導律對目標加度估計的魯棒性。
  8. The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study

    為改善上述缺點,本文進行了以下的研究工作:在忽略耗能器附加質量的基礎上,推導出適用於耗能減震結構的攝動法,減少振型分解法在迭代計算過程中的工作量,加快計算度;針對運動方程的強行解耦所產生的,根據攝動法原理,對其進行一階攝動修正;為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的,引入狀態間對系統進行復模態分析,並改進了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法;對于耗能器的數量和位置優化進行了一些探討和研究。
  9. In the air combat simulation, since the system runs in the way of time frame cycle, the flying locus of the weapon, such as missile, changes as a dispersing function, and its movement is much faster than the target ( moving or static ) comparatively, so some errors emerge when the collision test is calculated between the weapon and the target

    摘要戰模擬中,由於模擬系統採用時間幀周期方法調控系統的解算,致使導彈等武器的飛行彈道呈離散函數變化,而導彈等武器的飛行相對于靶標(運動或靜止)是一個快運動,這樣,武器與靶標的碰撞解算就會引出很多問題。
  10. The constitutions and principles of position of gps > glonass and beidou navigation system are described all around in this article, and the following technologies are studied and realized : communication between com ports with oop technology, compound navigation with gps and glonass. calculate velocity, pseudorange difference, smoothing pseudorange with the carrier - phase and models to correct error are also done ; the transforms between wgs - 84 and pz - 90, as well as wgs - 84 and beijing54 coordinate system ; the technologies to display and manage bitmap, vector map based on mapx also ; conversion of data formats between gjb and mif data format of maplnfo corp. arithmetic of creation dem data based on contour line data from 1 -. 25000 map data with gjb format. texture the surface of terrains with corrected aviation image

    本文全面介紹了gps 、 glonass 、北斗導航系統的組成、定位原理,研究並實現了面向對象的串口通信技術、 gps + glonass組合導航、測及偽距分、相位平滑偽距分以及有關的模型改正、 wgs ? 84和pz ? 90 、 wgs ? 84和北京54坐標系的坐標轉換、柵格地圖的顯示和管理、基於mapx的矢量地圖的顯示和管理、 1 : 25萬軍標數據和mapinfo的mif數據格式雙向轉換、基於軍標數據的dem生成演算法、基於opengl的三維地形構造、航圖像紋理地形表面、三維坐標量算、虛擬現實模擬導航、三維地形的層次細化演算法以及數字圖像處理中的圖像增強、幾何變換、影像匹配等技術。
  11. Based on aerodynamic theory and the characteristics of the shockwave around a supersonic projectile, the article constructs a mathematical modeling of a l - shaped vertical target for projectiles shooting with forward direction and any direction, and analyzes the error sources and provides correcting ways to lower the error

    摘要本文根據氣動力學理論和超音彈丸的激波特性,建立了在使用l型立靶基礎上正向射擊和任意角度射擊時的數學模型,並進行了分析,提出了減小的修正方法。
  12. This paper proposes the occasional coupling synchronization scheme of the active - passive decomposition ( active - occasional coupling ). this scheme consists of synchronization and autonomous phases. in the former, the synchronization scheme is used to synchronize the drive and the response systems ; in the latter, small errors will lead to the two systems separated from each other and desynchronization. but if the synchronization phases are large enough, the full synchronization will be obtained. the synchronization condition is discussed theoretically. the spatiotemporal chaos in coupled map lattice system is achieved and the synchronization condition is given. moreover, the relation between the synchronization phases and the coupling strength is investigated numerically

    提出了離散系統中的主動-間隙耦合同步方法.該方法由同步相和自治相組成.在同步相,同步方案使得混沌系統趨于同步,而在自治相,兩系統間的將迅放大,導致失同步.但只要同步相足夠大,最終可實現系統的準確同步.還從理論上討論了同步條件,並利用該方法實現了耦合映象格子時混沌系統中的混沌同步,給出了同步條件以及同步相與耦合強度的關系
  13. The circui t construct ion and the relevan t schemes of the realization of the circuit are also provided, simultaneously, the source of errors and the compensation methods are discussed. all of analysises, calculation results and simulations demonstrate that the methods presented in the paper are feasible, the algorithm is effective, the realization of circuit is simple, the procedures of the design are standard, the circuit is easy to be fabricated on a monolithic, and the system can be used for processing middle - high frequence signal and be applied in low - voltage, low - power and at high speed

    在此基礎上,本文首次提出了一種基於狀態間對數域濾波器的一維連續小波變換實現方法、結構以及相關模塊電路實現的策略,並對該方法的來源與補償措施進行了討論。論文中的理論分析與計算以及模擬結果表明,用對數域狀態間濾波器實現一維連續小波變換的方法可行,演算法簡單、有效,電路實現簡單,設汁過程規整,易於單片集成,適合處理中、高頻信號並運用於低電壓、低功耗、高的場合。
  14. The result of a discussion about the statistical distribution shows there are different distribution forms between the data errors and estimated parameters in non - linearity inversion. the precision of estimated bottom sound speed is well than the estimated bottom density. although there is a same data errors distribution in perturbative inversion, the distribution of each inverted eof coefficient is different

    統計分佈的討論結果顯示:在非線性反演方法中,數據分佈與參數分佈不相同,這種匹配方法估計的海底聲的準確性好於對密度估計的準確性;在擾動反演演算法中,相同的數據分佈條件下,反演的eof各項系數分佈不同。
  15. It is shown that using backward selection algorithm select centers can minimize the net work output error in great extent, make network structure more simple and more generalization and approximation. furthermoure, the offline control to pangang hot metal desulfuration process is realized using rbfnn model

    理論研究和模擬實驗證明: rols法比起批處理正交最小二乘法( ols )所需的計算間小,訓練度快;用後向選擇法選擇中心能最大程度地減小網路的輸出,使網路結構簡化,並且具有更強的泛化能力和逼近能力。
  16. The dimensional globoidal indexing cam mechanism, as a result of the steady movement, accurate, the transmission ceaseless and is suitable for high speed indexing and precise indexing. now it is the most ideal high speed precision indexing mechanism in the world, and it is being widely applied on each kind of automaton and the production line, this mechanisms prospect of application is broad, arouses the people enormous interest. but the examination of the globoidal indexing cam mechanism is a quite weak link, the manufacturers don ’ t give the examination because of the difficulty of the geometry shape error examination of the cam contour

    間弧面分度凸輪機構,由於運動平穩、準確、傳動無間隙而適用於高分度和精密分度,是當今世界上最理想的高精密分度機構,正被廣泛應用於各種自動機和生產線上,該機構應用前景廣闊,引起人們極大的興趣,而弧面分度凸輪機構的檢測是一個比較薄弱的環節,一般生產廠家由於凸輪輪廓幾何形狀檢測困難而不予檢測,因此本試驗臺的研製具有極其重要的意義。
  17. This article sets forth the orientation theory of digital television and radio signals ' space position, speed, clock error and etc. and then analyses the error, troposphere delay, multipath and shelter domine effect, relying on the creation of hypodistance arithmatic model and the deduction of calculation formulae

    摘要文章通過建立偽距數學模型,推導整理出計算公式,從而對數字電視廣播信號的間位置、度和時鐘偏等參數的定位原理進行了闡述,最後對、對流層延遲、多徑和遮擋效應等進行了分析。
  18. Direct torque control using space vector modulation ( svm - dtc ) scheme is discussed and the detailed designed, including space vector choosing and modulating, to overcome the control difficulties coming with the characteristic of low inductance. comparing with the basic dtc, the simulation results confirm the feasibility and good performance of this strategy. in order to reduce the torque error in dynamic state resulted from the nonlinear relationship between the torque and torque angle, a proportional - plus - integral ( pi ) torque controller with variable proportion is presented to ensure exact and quick control of torque in dynamic state

    系統的闡述了永磁同步電機直接轉矩控制理論,分析了改進后的svm - dtc控制策略,並具體設計了控制技術的實現方案,包括參考矢量的生成和間電壓矢量調制的方法;為減小電磁轉矩與轉矩角非線性關系這一因數給電機電磁轉矩動態調節造成的,本文實現了變比例系數轉矩pi調節器的方案,確保了系統穩定性的同時,實現了電磁轉矩在動態過程中快而準確調節。
  19. ( subject no. : 402050103 ) firstly, besides considering the net topology of data link and the components of communication delay, we propose a target state predictor based on markov acceleration model

    文中首先研究了戰數據鏈的組網結構,對延時產生的原因及參數測量進行了分析。同時採用馬爾可夫加度模型建立機動目標預測器,對通信延時造成的進行補償。
  20. According to the mathematic modeling principle of physical problem, the error of lattice boltzmann model is analyzed in chapter 3. the nonlinear deviation term from the navier - stokes equation is given, and the main model coefficients, such as speed of sound, viscosity and so on, are verified by numerical computation, the results show that the lattice boltzmann method has second order precision in space and in time which satisfy the engineering application, whereas, the compressible effect ca n ' t be neglected along with mach number increasing, and must be reduced or eliminated

    其次,按照物理問題數學建模的原則,對格子法的進行了分析,給出了格子bgk方程再現navier - stokes方程時的壓縮項,並數值驗證了格子模型的聲及粘性系數等相關參數的精度,表明格子模型盡管具有時二階精度,能滿足工程計算的要求,但隨著mach數增大,壓縮逐漸成為主要,必須予以消除。
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