量測誤差 的英文怎麼說
中文拼音 [liángcèwùchā]
量測誤差
英文
error in measuremetn- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 誤 : 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 : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
- 量測 : measuration量測精度 accuracy in measurement
- 誤差 : error
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The methods of direct measurement with low precision such as frequency and time interval methods and the methods of indirect measurement with high precision such as beat frequency method, dual mixer time difference method and frequency difference multiplying method are supported on the platform. the fundamentals of each method are studied. the quantization error is analysed and the illustration is given for each method
該平臺支持直接頻率和時差法兩種較低精度的測量方法以及雙混頻時差法、差拍頻率法和頻差倍增法高精度的簡接測量方法,本文研究了各種測量方法的原理,對各種測量方法的量化誤差作了分析,並給出具體的實例。First, based on phased array antenna ' s mono - pulse goniometry and separate coordinate technology about phase control, the antenna beam pointing error formula, caused by phase quantization error, is derived from linear array and circular array to planar array and cylindrical array
首先以單脈沖相控陣天線測角原理為基本理論出發點,利用相位控制的坐標分離技術,基於線陣、圓形陣等簡單形式的相控陣天線,推導了平面陣、圓柱面陣等相控陣天線由相位量化誤差引起的波束指向誤差公式。The slight difference in response time of 1 msec would not be perceivable, and is likely due to measurement variability
響應時間的差異只有1 msec ,可以無需考慮,而且可能是由於測量的誤差引起的。Based on the error theory of point measurement are the identifying of the error range set, sketch of the error ellipse, analysis on displacement of the monitoring sites and error detection, providing a fundamental theory infrastructure for dynamic assessment of surface displacement and gray prediction
根據點位測量的誤差理論,確定定誤差值域范圍,繪出誤差橢圓;對各監測點進行位移與誤差判別分析,為地表位移動態分析和灰色預測提供理論基礎。Emulation and modeling based on measurement errors of white noises by tracking radars
基於白噪聲的跟蹤雷達量測誤差建模與模擬In this section, you can set a limit to the astrometric and photometric residuals of the reference stars
在這里,你可以設置一個有關參考星的天文測量和光度測量的誤差值。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,因此本文構建了一個三部門的技術外溢效應模型(國內部門、工業製成品出口部門以及初級產品出口部門) ,考察了工業製成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量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個貿易開放度度量指標進行了檢驗,結果發現盡管一些已有研究認為外貿依存度無法真實度量一國經濟開放水平,但是本文研究結果表明外貿依存度仍是度量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測誤差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。In the thesis, i introduce the theory and application of gps carrier phase measurement, analyze the errors in the observation of gps signal, study the ways to reduce these errors, specially for the error caused by multipath
論文介紹了gps載波相位測量技術的原理和應用,分析了gps觀測量的誤差,研究了減小和消除各種誤差的方法,重點是減小多徑效應的影響。Algorithms of insar data processing are also key factors, which related directly to the quality of dem and differential interferometric products, so it is necessary to develop advanced data processing algorithms and evaluate the accuracy of sar interferometry
數據處理演算法的優劣,直接影響到所提取的dem及差分干涉測量產品的質量。因此,發展更為完善的數據處理演算法及對干涉測量的誤差進行評估,是目前干涉測量研究的必需,也是干涉sar遙感創新研究的需要。On the other side, measuring errors of grounding resistance and solution of current voltage electrodes reversing has been compared with horizontal two layers and vertical delaminating ( three layers soil )
比較分析了電流電壓極反向布置、在水平雙層和垂直分層或三層土壤結構中接地電阻測量的誤差和解決辦法。Based on analyzing the recent research status and future developments of error compensation techniques for cmm in the world, non - rigid errors of cmm are analyzed by means of the stress distortion analysis for components of cmm bridge - type cmm, and a new idea for die error compensation of high precision cmm is provided
本論文在分析目前國內外三坐標測量機測量誤差補償技術研究的現狀和發展趨勢的基礎上,通過對坐標測量機構件的受力變形建模分析,詳細研究了測量機非剛性效應運動誤差,為高精度坐標測量機誤差補償技術奠定理論基礎。Testing and error analysis of plastic injection molding machine clamp force
注塑機合模力的測量及誤差因素分析Error calculator used in electrical energy meter calibrating
電能表測量用誤差計算器Based on the multivariable analog of civcle criterion, an observer is designed to estimate the system states and hence the dynamical equations satisfied by the estimation error are derived first
基於多變量的圓判據設計觀測器來估計系統的狀態,進而給出了觀測誤差滿足的動態方程,然後利用積分反推方法,構造性地設計出了輸出反饋鎮定控制器。This article is concerned with the clinical trials in which the compliance is measured with random errors
本文考慮一類臨床試驗中的解釋變量即依從性( compliance )有隨機量測誤差的情形。With range of r. v. represents the error limit, accuracy or uncertainty of a measurement, the corresponding probability represents the confidence level of the error limit or uncertainty
若機變數絕對值小於等於一特定范圍代表相對於一量測平均值之誤差范圍,則對應之機率即代表該量測誤差范圍之信心度。Traditional inertial mechanized - platform uses velocities to damp the system attitude to improve the precision of attitude, when the system acceleration is small. referring to the idea, this paper designeda damp kalman filter in strap - down attitude heading reference system ( ahrs ). the new method makes use of 3 - d accelerometer ' s measurements to estimate the system attitude, which is measured to compensate attitude errors. because the acceleration affected the precision of fiher directly, the fuzzy adaptive system was presented. the fuzzy logic inputs are three accelerations and the output is to control the measurement noise covariance matrix. simulations and experimental results prove that the damp algorithm can damp most of schuler oscillation and foucauh oscillation, so that to assure the filter convergence and efficiently improve the precision of strap - down ahrs
在系統機動性不強的情況下,傳統的平臺內阻尼演算法將系統本身的速度信息通過阻尼網路加到系統中,達到提高姿態角精度的目的.將這種平臺內阻尼的思想引入到捷聯慣性航姿系統中,在系統加速度較小的情況下,利用加速度計的輸出估計系統姿態角,通過卡爾曼濾波的形式補償系統姿態誤差.由於加速度的大小直接影響濾波器精度,本文設計了模糊自適應卡爾曼濾波演算法,根據三軸加速度計的輸出調整內阻尼量測誤差方差陣,從而避免了濾波器的發散.模擬和實驗驗證,內阻尼演算法可明顯抑制舒勒周期振蕩和傅科周期振蕩,避免了系統姿態漂移,有效提高了捷聯慣性航姿系統的精度In factual engineering, it is invaluable to eliminate the reading errors in some certain degrees by using the relative displacement. based on dfp optimum back analysis in the excavation of underground chamber, the corresponding object function and formulation are derived in this paper
鑒于在實際工程中,採用相對位移可在很大程度上消除觀測資料的量測誤差,具有十分重要的實用價值和意義,文中提出了地下洞室開挖中基於相對位移的dfp優化反分析方法,並推導了相應的目標函數及其計算公式。They firstly used compliance as an explanatory variable in the clinical trials. however, compliance often ca n ' t be measured exactly. following the simple model put forward by them, we develop a new model that allow compliance with random errors and separate the effectiveness of treatment from that of the compliance
然而,依從性往往很難被精確測得,因此基於他們提出的簡單模型,我們提出一個新的模型允許其中的依從性變量帶有量測誤差,並把治療( treatment )的效應和依從的效應分離出來,從而得到一個更符合實際的對照臨床試驗數據的ev模型。In field gps work, errors of receiver ' s antenna phase center and instrument height measurement are inevitable, so in this paper the influence of the error of instrument height measurement on planar coordinates is studied and it is proved theoretically that the influence of the error of instrument height measurement on planar coordinates can be neglected ; 3
在gps實際作業中,接收機天線相位中心偏差和儀器高的量測誤差都是不可避免的。基於此原因,本文研究了儀器高量測誤差對平面坐標的影響,並從理論上證明了儀器高量測誤差對平面坐標的影響可忽略不計; 3分享友人