數值誤差 的英文怎麼說
中文拼音 [shǔzhíwùchā]
數值誤差
英文
number fault- 數 : 數副詞(屢次) frequently; repeatedly
- 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...
- 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
- 誤差 : error
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5. the osl dating of 37 samples of loess in weihe river basin by sar and multiple aliquot methods, indicates that sar protocol appears to be applicable to loess and appropriately correcting for sensitivity changes within the regenerated curves, however, there are major difference between the irsl and post - ir osl de determinations that suggest that sensitivity changes relating to either ( or both ) natural signals may not be correctly monitored
同時,用單片再生劑量法測小干3ha的黃土細顆粒樣品, slsl 、 irsl和post irosl測的年代在誤差范圍內基本相同,接近預估年代;對於3ha ? 10ha的黃土細顆粒樣品,一般post osl測的年代更接近預測值;對于大於10ha的樣品,一般irsl測的年代普遍太小,多數blsl年代也偏小,而p 。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型條帶測深儀的測量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;對測深數據進行誤差分析處理,去除野值;將多波束數據進行坐標變換及投影轉換后構建數字地理模型,進而根據海道測量規范繪制標準海圖。This paper analyses the critical angle method that often use in focus detected. we receive two relations, the first relation between refractive index of the critical - angle prism and focus - error signal ; the second relation between numerical aperture of object lens and out - of - focus error signal
本文針對伺服系統中常用的調焦方法-臨界角方法進行了分析,理論上得到臨界角棱鏡的折射率、物鏡的數值孔徑與離焦誤差信號的關系。In digital relay, the percentage of noise will increase rapidly with the increase of sampling rate when derivation calculus is substituted by sampled difference term. to solve this problem, a new method using fragment function integrated with the least square algorithm is proposed in this paper. the influence of white noise is greatly reduced and the accuracy of the dead angle calculation is nicely improved after adopting the new method
在數字式保護中,如果用差分代替求導將導致噪聲的百分比誤差隨著采樣頻率的提高而劇增,本文對此進行了分析並提出了用分段樣條函數最小二乘法來計算電流波形的導數值,以便在提高采樣率的同時降低噪聲誤差的影響,並將其應用於基於32位浮點dsp的新型變壓器保護裝置。The result has the reference significance for choosing geoelectric observation location and observation data error correction
分析結果對地電觀測臺站選址、及其觀測數據誤差校正具有參考價值。Using ansys as analysis tool, and the influence of river water fluctuating on geoelectric observation data in different distance from riverway to geoelectric monitoring observe station is numerically simulated, and the relationship between error of observation data and distance from riverway to the stations is summarized
摘要利用ansys作為分析平臺數值模擬了觀測系統距河道不同距離情況下,由河水漲落引起的淺層局部電性非均勻性對地電觀測數據的影響,總結了觀測系統距河道遠近與觀測數據誤差大小的關系。A experienced equation which is summarized by many experiments is used to determine the number of mesosphere nerve cell and a sort of new square - sum function of errors is adopted. its characteristic is that weight errors of possible exceptional point is less. accordingly, the effect of errors of possible exceptional point is reduced, which make actual function relation simulation easier
本系統針對bp演算法的局限性,給出了一種優化的bp演算法,採用經過大量實驗總結出的經驗公式來確定隱層神經元的個數,並選取了一種新的誤差平方和函數,該函數的特點是對一些可能的異常點的誤差權值設計的較小,從而降低了異常值誤差帶來的影響,便於模擬出真實的函數關系。Simultaneously with the micro - displacement started the processe of the grating sensor measuring the displacement and image collection of the system. the grating sensor ( length gauge ) measures the displacement of the dial gauge with surveying rod. it is delivered to the computer with a block k220 in real time and the dial image by ccd camcorder is shown on the computer screen with the image collection card in real time
在實現微量進給的同時,啟動系統的光柵位移測量過程和圖像採集過程,光柵傳感器(長度計)測得指示表測桿的位移量,由計數卡ik220實時傳送給計算機,由ccd攝像頭攝取的表盤圖像經圖像採集卡在計算機屏幕上得以實時顯示,最後通過對指示表指針位移計算處理與光柵傳感器測量的位移量進行比較,得到指示表受檢點的示值誤差。In order to accurately analyze the error in the non - orthogonal coordinate measuring system, the circular cylindrical coordinate measuring system is discussed first and the formula of its number of errors is computed, and then it extends to the non - orthogonal coordinate measuring system of n dimensions arms of robots, and build its error compensation modal, which is proved to have high precision
為了正確分析非正交坐標系機械繫統的誤差情況,本文先以柱坐標系測量系統為例。分析了引起測量系統示值誤差的各種機構誤差。並且分析得出其誤差項數的計算公式,然後推廣到n維機器人手臂結構的非正交坐標系機械繫統,建立其誤差補償的數學模型。A modified svm model, which can predict peak recognition theory, was proposed in this paper. this model can increase the weight of peak error in the loss function of structural risk minimization, thus improve prediction accuracy of hourly water demand peak
本文提出一種能夠進行峰值識別的改進svm演算法,該演算法在結構風險最小化準則的目標函數中加大峰值誤差的權重,從而提高時用水負荷峰值的預測精度。The results indicate that : only with a few rain gauges to adjust the radar estimated rainfall, authors could simulate the runoff as good as that from rain - gauge - network - measured rainfall ; the accuracy of radar rainfall estimation to heavy rain acts as a more important role than that of light rain ; the estimation error of amount precipitation over a period can be treated as an index for runoff simulation ability
在1500小時時間序列的比較試驗表明,雷達估測面雨量和雨量計測量的面雨量都能較好地模擬每小時流域出口蔣集的出流量,數值試驗還表明,雷達估測面雨量在某一時段上的均值誤差作為一個指標可以較好地反映其應用於降水徑流模擬時的精度總雨量和強降水的估測精度是雷達估測面雨量能否用於徑流模擬的關鍵。Three advanced issues are studied. they are the statistical distributions for the errors of the average s - n relation fitting into the test data, the maximum value model for the probabilistic model, and the material probabilistic fatigue strength under spectrum - loads
論文圍繞均值s - n曲線擬合s - n數據誤差的統計分佈模型、測定概率s - n曲線的極大值模型和基於極大值模型的譜載荷下材料的概率疲勞強度的測定三方面,開展了較為深入地研究。These rules consist of the total fit, the mathematics and fatigue physics, and the safety in tail predictions. an analysis of the test s - n data of 16mn steel weld joints reveals that the four models are reasonable if only considering the total fit as the conventional method did. but if by the present three rules, the appropriate models should be the normal or the extreme maximum value
根據先前提出的有限數據下良好假設分佈的確定方法,包括三個原則,即假設分佈形狀與誤差數據真實分佈形狀的一致性、預測的總體擬合效果、與疲勞失效機制的一致性和尾部預測的安全性,通過對線性均值s - n曲線擬合16mn鋼焊接頭s - n數據誤差的統計分析,說明應用一般推斷方法, 4種分佈都可合理地作為數據的統計模型,綜合考慮三原則后,極大值和正態分佈是可能的良好假設分佈。The result of testing indicated that the trend of system ' s dynamic characteristic is accord with the result of theoretic analyse , and the result is reasonable , the results of system can correctly reflect the dynamic characteristic of the fact system when system fall under disturb, models or system can run in environment of all - purpose hardware and software
測試結果表明:模塊庫中各模塊的動態規律正確;穩態值與設計值相比,主要參數的誤差較小,動態特性的趨勢與理論分析結果吻合較好;試驗的輸出結果正確的反映了系統中各個設備的動態特性;該系統能在通用硬體和軟體環境下運行。On the basis of kinematics analysis and model transformation, an error equation of the robot kinematics parameter is established with numerical optimization, and the optimal design for kinematics parameter is realized, which effectively increases the repositioning precision of the robot
在運動學分析和模型變換的基礎上,運用數值優化技術建立了機器人運動學參數的誤差方程,實現了運動學參數的優化設計,有效提高了機器人的重復定位精度。Numerical tests show that the proposed error estimation scheme can indicate the numerical errors of lbiem solution efficiently
數值算例顯示,提出的誤差估計方案能夠有效地指示出真實的數值誤差。Through careful analyses the author is able to conclude that the primary reason leading to niederkorn & ottino ' s incorrect conclusion is the numerical errors of velocity fields in their calculations and the errors of eccentricity in their experiments
分析表明,流場計算數值誤差和實驗偏心距誤差是niederkorn & ottino得出不正確結論的主要原因。Firstly, the square sum of estimate error is only half of it " s original square sum of measurement data, the precision of result is highly enhanced. secondly, the precise estimate data takes place of bad data. thirdly, this method estimate some data that the power system needs but the measure system do not give
從估計結果來看,一是在不良數據不計在內的情況下,估計值的誤差平方和僅是原始測量數據誤差平方和的一半左右,在準確性上有較大的提高;二是用準確的估計值代替了不良數據;三是準確地估計出了一部分電網調度工作需要,而又沒有進行測量傳送的數據。In order to reduce the adverse influence of nlos error to location performance, this algorithm firstly makes initial mobile position estimation by mean tdoa / toa measurements, then estimates nlos error within tdoa / toa measurements by parameters of tip 1 channel model, smoothes and reconstructs tdoa / toa measurements, and finally utilizes two step wls computation. the application of this algorithm under different cellular environments is also discussed and its effectiveness is demonstrated by simulation results. finally, the basic location method, location method implementation, network architecture, signaling protocol and interface, and location procedures of wcdma network mobile location are analyzed
百臼主回大學槽士扭允生攀幢伍丈第v頁接著,通過對tdo咖a測量值誤差的分析,本文提出了一種首先利用tdo咖a平均測量值對移動臺位置進行初始估計,並利用tipi通道模型參數估計出thoafl 』 oa測量值中nlos誤差的大小,然後對tdo … a測量值進行平滑與重構,再採用兩次wls計算,以降低nlos誤差對定位性能不利影響的的定位精度提高演算法,討論了這種演算法在蜂窩網路不同環境條件下的具體實施方法,通過詳細模擬驗證了這種演算法的有效性。At the end of this paper the model parameters were verified, and the error value report was given, which is followed by the related comparison and analysis
論文結尾對提取得到的模型參數進行驗證,給出了模型參數的誤差值,並對它們的誤差進行了比較、分析。分享友人