測量誤差構成 的英文怎麼說

中文拼音 [liángchāgòuchéng]
測量誤差構成 英文
measurement error component
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : 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...
  • : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
  • : Ⅰ動詞1 (完成; 成功) accomplish; succeed 2 (成為; 變為) become; turn into 3 (成全) help comp...
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  • 誤差 : error
  • 構成 : constitute; form; consist of; compose; make up; constitution; composition; formation; enter
  1. The author has finished the following several jobs in core of the centre : 1 ) the active compensation method based on bang - bang control was put forward to realize the wide range current transformer. the method converts the complex statement space to i / o description by the two - stage current transformer. with the compensation method, the accuracy of 0. 2 grade current transformer can be improved to less than the 0. 1 grade standard at 100 % rating when the primary side current is changed from 2 % to 120 % of the rating

    圍繞這一工作核心,作者完了以下幾項工作: ( 1 )以實現寬程電流互感器為目標,提出了基於bang - bang控制的有源補償方法,採用雙級電流互感器,將復雜的狀態控制分轉化為偏控制,該方法結簡單,調試方便,有源補償器輸出電流小,可以將0 . 2級的電流互感器經過補償后提高到一次電流從額定值的2變化到120時,不超過一次電流額定值100時準確度為0 . 1級的標準。
  2. Therefore, a model of three sectors, respectively referring to domestic sector, manufacturing export sector and primary product export sector, has been established here to measure the technology spillover effects of export on domestic sector. finally, based on a broader framework, this dissertation went on to investigate the relationship between openness and china ' s economic growth, while the result shows that though there exists a notable dispute about how to measure the degree of china ' s openness, the index of trade dependence still maintains the better one to reflect china ' s economic openness. in the meanwhile, impulse response function ( irf ) method and forecasting errors variance decomposition ( fevd ) method, both of which are based on the vector auto - regression ( var ) system, are used here to investigate the dynamic relationship between openness and china ' s economic growth

    與傳統理論不同,新增長理論和新貿易理論都強調技術進步的作用,因此本文建了一個三部門的技術外溢效應模型(國內部門、工業製品出口部門以及初級產品出口部門) ,考察了工業製品出口和初級產品出口對國內非出口部門不同的技術外溢效應;第四,從更加廣闊的視野就貿易開放度與中國經濟增長問題進行研究,有關貿易開放度如何度一直是存在較大爭議的問題,本文首先對該類研究文獻進行了較為詳盡的述評,然後運用生產函數方法對所選取的5個貿易開放度度指標進行了檢驗,結果發現盡管一些已有研究認為外貿依存度無法真實度一國經濟開放水平,但是本文研究結果表明外貿依存度仍是度我國貿易開放度的較好指標,進一步採用基於var系統的脈沖響應函數法以及預方法分解法對貿易開放促進經濟增長的作用進行了動態刻畫。
  3. In order to make the sensitivity of 2 - demension accelerometer along the two main arbors almost identical, symmetric four - beam structure that embeds a double - sides interdigitated differential capacitive with puckered beam in two directions was used as sensitive component. in addition, the differential capacitive accelerometer fabricated by bulky silicon micromechanical technique has high sensitivity, wide measurement scope, less nonlinear error, and simple converting circuit. then, the structure parameters of the sensitive component were calculated and stimulated, which results in a set of the optimized structure design parameters, main fabrication procedure and several key fabrication technology

    為使二維振動傳感器在兩主軸方向的靈敏度大致相同,敏感元件採用高度對稱的四梁結,其中每個軸向上均採用帶折疊梁的雙側叉指電容結,採用體硅微機械工藝製作的高深寬比叉指電容式敏感元件,具有高靈敏度、寬程、非線性小、外圍電路簡單等優點;對設計的敏感元件結參數進行了計算,並利用有限元法進行了模擬分析,根據模擬結果得出了優化參數;在確定敏感結的基礎上,研究了敏感元件採用體硅微機械加工工藝製作的工藝流程和關鍵工藝技術;對敏感晶元內部的c - v介面電路進行了原理設計與分析,利用技術得到由振動引起的微小電容變化,經c - v介面電路進行相位調制處理,然後通過解調輸出與加速度正比的電壓信號。
  4. Through the study with non - linearity friction on simulation model of the stabilized system, in theory the analysis of the angular acceleration loop ' s contribution is given. in testing platform, the measure devices of angular acceleration and velocity constitute the double loops, they are angular acceleration loop and angular velocity loop. and this experiment gives the proof that the angular acceleration loop could eliminate the errors which are taken by the motor ' s reversing

    最後,本文在理論上分析角加速度環對隔離度的貢獻;通過對含有非線性摩擦力矩的平臺穩定系統模擬模型的研究,從理論上驗證角加速度環具有克服摩擦力矩的能力;在實驗轉臺上加入由線加速度計的角加速度裝置,並與速機角加速度環、角速度環雙環結,驗證了角加速度環對電機換向的消除作用。
  5. Then on the basis of calculating result from the prefigurative deviation control structure calculation, " rational data forecast processing about error adjust in prefigurative deviation control was made by the prefigurative theory of bp neural network and corresponding program and software matlab6. 1. at last via the data comparison with the practical survey data draw a conclusion : it is feasible for the construction prefigurative deviation control and error adjust used in pc rigid frame bridges to use the calculation model and program brought forward in this paper

    同時,在對預應力混凝土剛橋施工過程線形預拱度控制的結計算分析的基礎上,利用bp神經網路的預理論和相應的程序及軟體包matlab6 . 1對預拱度控制中的調整進行了較好的預處理,通過與實際施工數據及橋后結果作分析比較,得到結論:運用本論文的計算模型和程序對預應力混凝土剛橋預拱度控制過程進武漢理工大學碩士學位論文行結分析和調整處理是可行。
  6. 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、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、速及偽距分、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生演算法、基於opengl的三維地形造、航空圖像紋理地形表面、三維坐標算、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。
  7. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時,提出了石油井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油井儀器的可靠性系統模型,探討了石油井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢與處理兩個方面,建立了數字濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定研究,給出了靈活可選的數字濾波系統及實現流程;提出的三種濾波方案,將用於era2000井系統,對自然伽瑪井數據進行濾波處理。
  8. The isotopic composition of lead often varies from one source of common copper ore to another , with variations exceeding the measurement error ; and preliminary studies indicate virtually uniform is topic composition of the lead from a single copper - ore source

    鉛的同位素經常在一種普通銅礦石來源與另一種銅礦石來源之間存在異,其異程度超出;而最初的研究表明,對于來自單獨一個銅礦石來源的鉛來說,其同位素幾乎是毫無二致的。
  9. The design of the hardware of the profiler was discussed in this paper, and a hanging - shank was designed. the multi - thread techniques and the database techniques used in the software were introduced too. and also, it is discussed that constructing the movement curve arithmetic

    論文著重討論了儀的硬體結方案,進行了結分析;編制了控系統軟體,介紹了軟體中所用到的數據庫技術和多線程技術,並進行了演算法分析,詳細論述了運動曲線的生演算法。
  10. According to the design theory of the cable - stayed bridge and to the feature of the cantilever construction the authors propose a construction control method called optimum completion state method ( ocsm ) for rc cable - stayed bridges in the proposed method, the optimum completion state is regarded as the final target of the construction control, and the optimum construction state at each construction stage is taken as the technical route the key of the method is to properly choose or adjust the cable forces the objectives function of optimization is to minimize the elevation error of the girder under the constraint condition that the internal forces ( bending moments ) of the girder are bounded the optimization variables are the cable forces on the basis of the above principles, a optimum model for a construction step is established and cable force adjustments can be found for each construction step in this model, the creep and shrinkage effects of concrete have been considered a bridge example is given which shows that the final state of the bridge is very close to the design aim and that this method is much better than the so - called double - control method the example is a good illustration of the soundness and practical value of the proposed method

    根據現代斜拉橋結設計理論和懸臂施工方法的特點,提出了以最佳橋狀態作為施工控制的最終目標,以實施最佳施工階段為技術路線,以索力調整為核心內容的斜拉橋施工控制理論,簡稱為最佳橋狀態法;以斜拉橋主梁標高最小為目標函數,以主梁內力(彎矩)為約束條件,以索力為優化變,建立了最佳施工階段的索力調整計算模型;推導了考慮徐變收縮效應的索力調整計算公式;用最佳橋狀態法對一實橋工程進行了施工控制全過程計算研究,得到的橋狀態與設計目標相當接近,優于該橋以「雙控」為控制目標的實結果,有力地證明了本文方法的正確性及其工程實際價值
  11. The dual standard quantity ( the work piece and the discrete standard quantity ) mutual measuring and model verification methods are also proposed, which perfects the whole modifying process from data measuring, error separation, model establishment to real correction. after researching the discrete standard quantity system dynamic error separation technique, two error correction methods based on genetic algorithm and neural network mixed modeling technique are established. the two methods are the discrete standard quantity dynamic error direct / synchronous correction and prediction model correction ; the model ' s parameters and model ' s exercising method are also confirmed

    設計了雙標準值(工件和離散標準)互比的模型驗證方法,完善了從數據分離、模型建立到實際修正的整個修正過程;研究了離散標準系統動態分離技術,建立了基於遺傳進化演算法與神經網路混合建模技術的兩種修正方法? ?離散標準動態直接(同步)修正方法和預報模型修正方法,並確定了模型結參數和模型訓練方法;分析了預報模型的多次預報性質,並得出了多次預報與多步預報的等效關系,確定了系統的有效預報范圍以及模型參數對泛化的影響;進行了模型的對比實驗驗證和被工件動態修正試驗,功地實現了任意二面角和圓分度的實時修正。
  12. The main conclusions are as follows : through the different structure and algorithm application of bp model in the predication of regional groundwater hydrology, the hidden layers number, learning rates, neuron number of hidden layer and training errors of bp model and accelerated bp algorithm which influence the convergence effects and test results of model are compared each other. some application technology related parameters of bp structure design are put forward

    論文取得了以下主要果:通過不同bp網路結和演算法在區域地下水文預中的實例研究,重點比較了不同層次結、隱層單元數、學習速率、訓練收斂等4個基本要素及不同演算法、不同樣本容等對模型收斂效果、模擬、檢驗與預報結果的具體影響。
  13. In this paper, the theories and techniques of data quality control are thoroughly studied by taking pudong construction and management geographic information system ( js - gis ), including error analysis and accuracy evaluation of digitized data, sample tests of housing surveying product, the principle and method of disfigurement measurement of attribute data based on sampling theories, and total quality control techniques of gis data. these methods are implemented in the construction of js - gis. the main contents are as follow : 1

    本論文以浦東建設管理地理信息系統( js _ gis )為例對gis數據質控制的一些具體內容進行了研究,包括數字化數據分析以及精度評定、房產果的抽樣檢驗、屬性數據缺陷率度的抽樣原理和方法、 gis數據的全面質控制方法,並將這些方法應用於js _ gis中,主要內容有: 1 、介紹js _ gis的系統組,對js _ gis中數據的主要以及數據採集進行分析。
  14. The automatic real load error measuring equipment is divided into two parts : the one is a chip microprocessor controller which is the core of the measuring equipment and which controls and manages the whole system ; the other is controller case. it accepts orders of the chip microprocessor controller and functions as the performing system

    實負荷互感器自動裝置在結上分為兩部分,一部分為單片機控制器,它是整個裝置的核心部分,負責完整個系統的控制以及管理功能;另一部分為控制櫃,它接受單片機控制器的命令,完執行機的功能。
  15. ( 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

    文中首先研究了空戰數據鏈的組網結,對延時產生的原因及參數進行了分析。同時採用馬爾可夫加速度模型建立機動目標預器,對通信延時造進行補償。
  16. 3. the effect of measurement error is considered as gauss white noise. through theoretical analysis and numerical simulation, damage assessment results are also subject to gauss distribution. furthermore, results indicate that the mean keeps intact, but the standard deviation is linear to error level

    3 、將的影響考慮為正態分佈的高斯白噪聲,通過理論分析和數值模擬,說明用靈敏度分析法識別結損傷時,損傷識別結果也服從高斯正態分佈,其平均值保持不變,而方則與水平線性關系。
  17. The measuring of multi - pass amplifying facility ' s wave - front aberration was achieved, and the character of wave - front aberration in such high power solid - state laser facility was mastered primarily, then the requirement for wave correct system was found out more clearly which would provide support for high power solid - state facility ' s optimum design. 4

    了多程放大系統中波前的實驗,初步掌握了類似型高功率固體激光系統的波前分佈特性,從而進一步明確了對波前校正系統校正能力的要求,為新一代高功率固體激光裝置波前校正系統的優化設計提供了依據; 4
  18. In signal processing circuit, the key of our study, based on methods of mcu + cpld and a / d converter, a time interval measurement unit is done, in which an isp cpld counter is carried out to judge laser pulse for controlling counting and offering signal of time series and control, and a count quantization error measurement circuit which main ramp circuit and 12 bits a / d conversion circuit guarantees the resolution of system

    信號處理部分是本文研究的關鍵,採用mcu + cpld的設計方法和模數轉換技術時間間隔單元的理論基礎,其中用可在系統編程的cpld計數器實現了對循環光脈沖的判斷以開關計數,並提供計數電路相應的時序和控制信號,用斜坡電路和12位a / d轉換電路完對計數,保證了系統的解析度。
  19. The concept of relative movement and the describing method of relative movement rate of dynamic measurement system are shown. a dynamic error neural network topology structure corresponding to the established system is designed. a cognizing matrix of error source and the transfer, classifying model of dynamic error source are put forward

    敘述了動態要素和表徵,給出了動態系統的「相對運動」概念和相對變化率描述方法,設計了與所建模型相對應的動態神經網路拓撲結,提出了源認知度矩陣和動態源傳遞、分類模型。
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