誤差變量 的英文怎麼說

中文拼音 [chābiànliáng]
誤差變量 英文
error variance
  • : 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...
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • 誤差 : error
  1. We also give the theoretical error result of antithetic variable monte carlo ( amc ) method for multi - variable functions whose degree is no more than two. the constant before o ( n - 1 / 2 ) is less than that of the mc method

    對次數不高於2的多函數, amc方法其階是o ( n ~ ( - 1 / 2 ) ) ,但其系數比原始蒙特卡羅積分( mc )方法的階的系數小。
  2. Applying the information extracted from numerous hydrographic data of field trials collected by h / hcs - 017, the first set of multi - beam swath bathymeter developed in china, a series of mosaic techniques have been carefully studied in this thesis, including digital terrain model building, statistical error analyzing, hydrographic data mosaicking as well as tides correction and projection of the earth coordinates. finally, standard digital sea - charts and three dimensional seafloor images are successfully developed that are consistent with hydrographic surveying principles

    本文利用我國第一臺h hcs ? 017型條帶測深儀的測數據進行拼圖技術的研究,主要研究的內容有:利用分帶原理對深度數據進行潮汐修正,得到瞬時海面的深度數據;對測深數據進行分析處理,去除野值;將多波束數據進行坐標換及投影轉換后構建數字地理模型,進而根據海道測規范繪制標準海圖。
  3. The accuracy of 3 - d surface - shape measurement by phase - measuring profilometry ( pmp ) is greatly influenced, because the variation of environmental light leads to biggish error

    摘要在運用相位測剖面術( pmp )對物體進行三維面形測時,由於測現場環境光強化而引入較大,嚴重影響測精度。
  4. The gravity analysis is carried out especially for the synthetic fused silica and calcium fluoride used in 193nm lithographic objective as well as the optical elements with structural sizes of ( 200mm ~ ( 300mm. large numbers of analysis data for surface shape error are obtained by using algor finite element analysis software. then these data are plotted into curves and comparison analysis will be carried out, finally the measures and schemes for reducing gravity deformation are proposed

    因此,本論文重點對大口徑光學系統在高精度光學鏡頭裝校中,因重力形進行了詳細的分析研究,特別針對193nm光刻物鏡系統所使用的材料sytheticfusedsilica和caleiumfluoride以及用到的結構尺寸200mm ~ 300mm光學零件進行了重力形分析,使用algor有限元分析軟體獲得了大的面形分析數據,然後將這些數據繪成曲線進行對比分析,最後提出了減小重力形的措施與方案,並進行了實驗,驗證了分析結果是正確的,減小重力形的方法是有效的。
  5. At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel

    首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合都較小;最後,明確黃河下游含沙對水位的主要影響方式,即含沙主要是與其它因素聯合對水位作用;另外分析了要實現動河床洪水位過程準確預報的困難所在及改進方向。
  6. Skewness and kurtosis statistics for testing normality in ev model

    帶有誤差變量的偏度和峰度正態性檢驗
  7. Based on an analysis of the sources of errors in airborne gravity measurements, an error model is studied to constructed mathematically which can characterize the change of systematic errors, with which the network adjustment is carried out and the model parameters are determined simultaneously. and finally, the compensation of systematic errors is realized

    航空重力測測線網平就是在分析、總結航空重力測的主要源基礎上,研究建立反映航空重力觀測系統化規律的模型,根據交叉點不符值條件,平求解各測線上重力觀測值系統改正數,然後對各測線上所有重力觀測值進行改正(補償) 。
  8. Two practical applications prove their efficiency. 3. using knowledge of adjustment with additional systematic parameters, based on an analysis of the sources of errors in airborne gravity measurements, an error model is studied to constructed mathematically which can characterize the change of systematic errors and with which three kinds of new crossover adjustment models are presented

    3 、根據附加系統參數平的理論,在分析、總結航空重力測的主要源基礎上,研究建立了反映航空重力測系統化規律的模型,並根據三種不同的情況建立了相應的測線網平模型。
  9. Application results show the proposed method can deal with mges effectively and provide useful suggestion on instruments checking. thus the number of instruments that must be checked is minimized, the maintenance effort and expense are reduced. 4

    敘述了顯著選擇刪除演算法在煉油工業的實際應用情況,說明了該演算法對帶有顯著誤差變量的處理的有效性,並為檢修工作提供了合理建議,使得必須檢修的傳感器數目最少,減小了檢修的工作和檢修費用。
  10. Abstract : according to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    文摘:根據電阻爐溫控制的特點,即只有升溫單向控制、滯后較大且具有參數時性,利用模糊推理合成法建立模糊模型並進行模糊控制器設計,為提高模糊控制的精度,引入模糊k ,構成參數自調整模糊控制系統.該系統可根據化在線自動調整控制器參數,使系統的穩態精度得到改善
  11. According to the characterestic of resistance furnace temperature control, temperature rising one - way control, large time delay and time - variation of parameter, using method of fuzzy compositional rule of inference establish fuzzy model and design fuzzy cntroler. in order to increase control system precision, it gives a fuzzy variable k, and sets parameter self - adjusting fuzzy control system. this system can on line self - adjusting controller parameters according to the error and variations of the error. it makes the system steady precision improved

    根據電阻爐溫控制的特點,即只有升溫單向控制、滯后較大且具有參數時性,利用模糊推理合成法建立模糊模型並進行模糊控制器設計,為提高模糊控制的精度,引入模糊k ,構成參數自調整模糊控制系統.該系統可根據化在線自動調整控制器參數,使系統的穩態精度得到改善
  12. This paper is based on the working theory of anti - lock braking system, the properties of fuzzy control, the modelling for vehicle system and vhicle tyre. by using of wheel speed sensor, the gather of wheel speed is practiced by filter, amplier, modifying of wheel speed. based on the wheel slip ratio of abs. given vehicle speed and wheel speed, the wheel slip ratio is computed. the error and error change ratio of slip ratio is obtained by given refering slip ratio. which is the input of fuzzy control which comprises of input fuzzy

    本文根據防抱死制動系統的工作原理,模糊控制的性能特點,車輛系統模型及車輪輪胎模型,利用輪速傳感器,對輪速進行濾波、放大、整形等實現了車輪速度的採集。採用基於車輪滑移率的防抱控制理論,根據車速、輪速來計算車輪滑移率。由參考滑移率計算出滑移率的化率並作為控制器的輸入完成了模糊控制的模糊化、模糊推理、模糊判決。
  13. A method of selecting mges that can be deleted is proposed. because too much mges " deletion will result in an ineffective model, mges can not be deleted totally at one time

    提出一種線性穩態數據協調中的顯著誤差變量選擇刪除演算法,以保證在顯著誤差變量個數過多的情況下原有模型的有效性。
  14. This model is a class of ev model. in this model, regression function that variance yt is about is nonlinear, is not measureable directly and the measurable directly is x, that is errors - in - variance. the method of estimation is more difficult than the usual because x is not measurable directly

    本模型屬於一類半參數的ev模型,它表明y _ i關于( x _ i , t _ i )的回歸函數呈偏線性的形式,且x _ i不能直接觀測到,所能觀測到的是受了誤差變量u _ i干擾的x _ i ,由於x _ i不能直接觀測到,這使得估計的困難加大。
  15. Evaluation of uncertainty about indication error of pressure transmitter

    送器示值不確定度評定
  16. To machine the honeycomb sandwich, an interpolation method based on a rotary axis is also studied. with the round vector function and rotary movement group, a model of the error curved surface of the theoretical ellipsoid is set up to describe the actually measured surface

    以圓矢函數和回轉運動群為工具討論了曲面的換,利用理論橢球面的曲面建立了實測曲面的數學模型,通過求解理論曲面的法線實現了實測曲面的等距計算和陰陽面數據轉換。
  17. Evaluation of measurement uncertainty of indicative error of intelligent transmitter

    智能送器示值不確定度的評定
  18. Meanwhile, we have gained some achievement. 1. based on error variety of nonlinear control curves of ld output laser power by optoelectronic feedback measured, we take advantage of window pid control algorithm to gain high stability of laser power and reduce error amends at mostly

    1 、基於光電池檢測ld光功率輸出的非線性控制曲線產生的化,將特性曲線利用軟體的窗口控制演算法實現區域控制,進而有效的對ld工作電流進行pid穩態控制和光功率參數顯示,且激光器的光功率輸出和激光通過分光鏡後送入光電池放大電壓和單片機通過計算使到修正達到最小,從而使光功率控制達到最佳效果的化關系。
  19. Summarizing the development statement of monitoring technology for bridge, based on principle of pulse laser ranger detection and fiber - optic strain measurement, in view of the problem affected by single - chip inherent feature, integrating the goodness of cpld device and single - chip, using a / d converter to measure the count quantization error, a strain measurement system is worked out. the above system chiefly consists of light source, optic fiber sensor, photo detector and signal processing circuit

    本文綜述了國內外橋梁監測技術的發展概況,在深入研究脈沖激光測距和光纖應測試原理的基礎上,針對單片機固有計數頻率低、計數大和延時不固定等不足,結合cpld計數頻率高、延時小而固定和單片機控制功能強的優勢,並採用模數轉換技術設計計數電路,提出了基於激光脈沖時間測法的光纖應的方案。
  20. We discuss the visual information from texture image and the cause of texture distortion, and then present a simplification algorithm with texture in chapter three. the visual information from different parts of texture image is measured by color variation, and the possibility of texture distortion is measured by the unevenness of texture intensity ( the area of a triangle ' s corresponding texture divided by its area in geometric space )

    該演算法考慮了紋理扭曲的成因和紋理圖像內容對視覺的影響,用邊緣檢測的方法度紋理圖像上不同區域對視覺影響的大小,用紋理密度(三角形對應紋理區域的大小和它在三維空間中面積的比值)的化度紋理扭曲發生的可能性和嚴重程度,並把這些與紋理相關的和幾何結合。
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