coefficient of accuracy 中文意思是什麼

coefficient of accuracy 解釋
準確度系數
  • coefficient : adj. 共同作用的。n. 1. 共同作用；協同因素。2. 【數，物】系數，率；程度。
  • of : OF ＝Old French 古法語。
  • accuracy : n. 正確，準確（度）；精確。 firing accuracy 命中率。 with accuracy 正確地。
  1. At the moment, the thing is plans compiled by hand have a low quality and are effected by factitious factors. the execution of adms can not only improve the station organization and the level of the management but also accelerate the modernization of work which can make out good plans, make full use of the device of station, improve the accuracy coefficient of passenger trains and as a result the whole level of railway organization is to be lifted, the modernization of railway system management is to be accelerated at the same time both the economic and social efficiency are to be improved

    現行手工編制不但勞動強度大，而且受許多人為因素的影響，編出計劃的質量得不到保證，所以客運站站調輔助決策管理系統的建立，不僅可以提高車站工作組織和車站技術管理水平，促進車站工作組織與管理現代化，從車站內部盡可能實現作業計劃優化，挖掘車站潛力，提高旅客列車正點率，而且可以提高鐵路運輸組織水平，促使鐵路車站管理手段的現代化，從而提高鐵路運輸的經濟效益和社會效益。
  2. Creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  3. Abstract : creep analysis methods of high - rise buildings and large span buildings can only refer to creep coefficient method in bridge engineering or the method of degree of creep in hydraulic construction engineering under the present experiment conditions. in this paper, the incremental expressions of concrete creep and shrinkage strain when the initial computational age is not the same as the loading age are derived and corrected from the concept of concrete creep coefficient and the mean value theorem of integral and the principle of superposition. the differences of efficiency and accuracy of creep analysis between the finite element method with creep coefficient and the initial stress method with degree of creep are presented. this paper suggests that engineers should use the initial stress method with degree of creep to estimate the influences of creep on high - rise buildings and large span buildings on the basis of conceptual design

    文摘:基於現有的試驗資料，高層及大跨度民用建築的徐變分析只能參照橋梁結構中的徐變系數方法或水工結構中的徐變度方法進行.從徐變系數的定義出發，利用積分中值定理和疊加原理，推導並修正了加載齡期與起算齡期不同時徐變收縮應變增量的表達式，對比了應用徐變系數分析徐變的有限元法和應用徐變度分析徐變的初應變法在效率和精度上的差別，並建議應從概念設計的角度出發，採用徐變度的初應變法來估算徐變對高層及大跨度民用建築的影響
  4. Utilising dissolved gases analysis, a new insulation fault diagnosis method for power transformers is proposed. this method is based on the group grey relational grade analysis method. first, according to the fault type and grey reference sequence structure, some typical fault samples are divided into several sets of grey reference sequences. these sets are structured as one grey reference sequence group. secondly, according to a new calculation method of the grey relational coefficient, the individual relational coefficient and grade are computed. then according to the given calculation method for the group grey relation grade, the group grey relational grade is computed and the group grey relational grade matrix is structured. finally, according to the relational sequence, the insulation fault is identified for power transformers. the results of a large quantity of instant analyses show that the proposed method has higher diagnosis accuracy and reliability than the three - ratio method and the traditional grey relational method. it has good classified diagnosis ability and reliability

    基於變壓器油中溶解氣體分析，提出了一種基於群灰色關聯度分析的變壓器絕緣故障診斷新方法.首先根據故障類型與灰色參考序列構造，選擇變壓器典型故障樣本構造多組參考序列，這些參考序列組構成一個灰色參考序列群.其次根據給出的新的關聯系數計算方法，計算個體關聯系數和關聯度.然後根據給出的群灰色關聯度計算方法，計算群灰色關聯度和構造群灰色關聯度矩陣.最後根據關聯序識別變壓器絕緣故障診斷.通過大量變壓器絕緣故障診斷實例分析，所提方法診斷準確性與可靠性優於三比值法和傳統的灰色關聯分析方法，具有較好的分類診斷能力和可靠性
  5. 3. based on the information fusion estimation theory, a significant conclusion is drawn that the allocation of information cannot change global estimating accuracy, only local estimating accuracy. therefore, information magnitude sharing coefficient is unnecessary to be adaptivcly determined, which rectifies a false standpoint in the literatures [ 108. 129, 131, 140. 141 ]

    基於信息融合估計理論，研究指出聯合濾波中信息分享系數取值的不同只能夠影響對應子系統狀態的估計精度，並不能影響系統狀態的估計精度，信息分享系數往往沒有必要進行自適應確定，糾正了文獻[ 108 ， 129 ， 131 ， 140 ， 141 ]中的錯誤觀點。
  6. Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes

    本文所做的主要工作包括以下幾個內容：一、選取了常見的熱膨脹系數大的材料製作封裝元件，經過多次一80到80反復測試，封裝元件沒有出現老化開裂、封裝裂紋、空洞、離層等缺陷，封裝材料具有良好的溫敏穩定性及復用性，與光纖相容性較好；二、對光纖光柵進行簡單、實用的封裝處理，就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方面進行了一系列的實驗，得出了初步的結論；三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對比，從數字上對溫變過程中光纖光柵中心波長的改變及溫變曲線進行了定量的分析，在大量實驗數據分析結果的基礎上，總結出哪種材料封裝效果更好，以及如何有效的減小實驗誤差。
  7. After the weightiness of product attributes being researched, a new method is established to calculate the weight of attributes. the method is applied in weighted distance coefficient and system similarity to measure similarity degree. it enhances the objectivity and accuracy of the similarity measures

    探討了在相似度量中機械產品系統特徵屬性的重要性問題，提出一種新的權重值確定方法，在此基礎上建立加權距離系數法，並研究了系統相似度量方法，提高了相似度量的客觀性與準確性。
  8. Then, we use a simulation method to create a large number of radar measurement values, produce a quantity of random numbers using computer software and add them to the radar measurement values, we use kallman filtering method to calculate the location, velocity and trajectory coefficient of the target at the moment of the final tracking point, and use the numerical solving method of differential equation to calculate the trajectory, the location of the hostile artillery or the impact point of its own projectiles, finally, we calculate statistically the random error of the tracking system and analyze the location accuracy

    然後採用模擬模擬方法獲得大量的雷達測量值，由計算機軟體產生大量的隨機數，加入雷達測量值中，用卡爾曼濾波法計算出最後跟蹤點時刻的目標位置、速度和彈道系數，再用微分方程數值解法計算出整個彈道軌跡、計算出敵方炮位的位置或己方炮彈的落點，最後統計出跟蹤系統的隨機誤差，分析定位精度。
  9. Larger loading capacity under the same specification ; easily establishing lubricant oil film, smaller friction coefficient, higher transmission efficiency, saving energy ; highest accuracy up to grade 3 of din standard ; smoother functioning, lower noisiness and longer service life

    平麵包絡環面蝸桿與普通圓柱蝸桿傳動相比具有更大的承載能力，易於建立動壓油膜摩擦系數小，傳動效率高節省能源具有可磨削性，能達到din標準三級，面粗糙度優于ra0 . 4而且具有運行平穩噪音低壽命長等優點。
  10. By means of establishing mathematic model for the influence of synthetic accuracy of track of planar four - bar linkage affected by manufacturing error of bar length, the sensitive coefficient of manufacturing error of bar - length was deter mined and the law of influence on synthetic accuracy of track affected by manufacturing error of bar length was analyzed

    摘要通過建立桿長製造誤差對平面四桿機構軌跡綜合精度影響的數學模型，確定了桿長製造誤差的敏感系數，分析了桿長製造誤差對軌跡綜合精度的影響規律。
  11. In the text, differential coefficient method and numerical value differential coefficient method have been introduced for crank slide block machine accuracy analysis, and influence of the fitting clearance of moving pair to component moving error has been given

    文章介紹了微分法及數值微分法曲柄滑塊機構精度分析，說明了運動副的配合間隙對構件運動誤差的影響。
  12. By analyzing the result, three most main factors influencing the calculation accuracy are found : the constitution of wave scatter diagram, interpolating the irregular wave and the estimating of roll damping coefficient

    通過分析計算結果提出了影響計算精度的三個最主要的因素：海浪能量譜的構成、不規則波的合成方法、橫搖阻尼的估算。
  13. But often what is not obvious when reading a manufacturer ' s data sheet is how the initial accuracy of the device is affected by other key device parameters such as line regulation, load regulation, initial voltage error, output voltage temperature coefficient ( tc ), output voltage noise, turn - on settling time, thermal hyste - resis, quiescent supply current, and long - term stability

    但，人們閱讀廠家的數據手冊時，因受諸如（電源電壓）線性調整率、負載調整率、初始電壓誤差、輸出電壓溫度系數tc 、熱遲滯（系數） 、靜態電流和長期穩定度等參數的影響而使初始精度往往不明顯。
  14. Abstract : the function expression for coefficient of pipeline ' s local head loss was presented through optimizing fitting to coefficient values listed in tables. the fitting accuracy is acceptable

    文摘:採用優化擬合法通過對圖表中有關數值的擬合，給出了管道閥件阻力系數的函數表達式，具有較高的擬合精度。
  15. In the end of the paper, two examples are analysised, the samples tell us the displacement function with adjust coefficient has advantages of high accuracy and simple

    本文的創新之處在於：採用分段函數擬合頂板位移函數；採用神經網路方法識別位移函數；用調整系數修改位移函數。
  16. According to the absolute value of correlation coefficient, the degree of correlation between input and output variables can be estimated and selected or not, which not only increases the neural network mathematical model accuracy, but also reduces the complexity

    通過其相關系數絕對值的大小來判斷該輸入量與輸出量的相關程度，進而對其進行取捨。該方法不僅可以提高神經網路數學模型的準確度，而且還有效的減小模型的復雜性。
  17. For the final products of lup, the overall accuracy of the classification is 87. 6 % with a kappa coefficient of 0. 863, tested using 2745 samples

    作為最終的土地利用圖， 2745個樣本的測試表明：總體分類精確度達到了87 . 6 % ，卡帕（ kappa ）系數為0
  18. This model not only could bring the efficiency and accuracy of fem into full play but also could utilize the rich experience in using the method of slices. at last, the influence on stability of various factors when water level falls has been analyzed. furthermore, as stresses in the stress field influence the value of seepage coefficient, which will results in the change of seepage field in the end, while on the other hand, the seepage field also has an effect on the stress field because of seepage forces

    此外，考慮到應力場中的應力會改變土體滲透系數進而影響滲流場，而滲流場也因其產生的滲透力會導致應力場發生變化，兩者之間存在耦合作用，針對某一具體算例，通過ansys軟體和自編程序，分別對不考慮應力影響下的滲流場和不考慮滲流影響下的應力場以及兩場相互耦合時的穩定性進行了研究，得出了一定規律。
  19. Three characteristic features, such as average velocity of sound, deviation coefficient of sound velocity, and deviation coefficient of amplitude are extracted from four kinds of testing data which are sound velocity, amplitude, frequency and waveform in this paper. fuzzy analysis and artificial neural network are combined to form an intelligent system with similar functions to human brain to classify grc, aerated concrete, hollow brick, solid brick and concrete block. the accuracy of this system is up to 95 % in field tests

    由超聲脈沖法獲得4種檢測信息聲速、波幅、頻率和波形，從中提取3個特徵量：平均聲速、聲速的離差系數和波幅的離差系數，利用模糊分析方法和人工神經網路相結合對grc 、加氣混凝土、空心磚、實心磚、砌塊5種墻體材料進行種類識別，形成一個智能化的、具有類似人腦功能的系統.經現場實測證明，判別的準確率達95 %以上。
  20. Using the model parameter from the dynamical experiment, the integrated parameters can be disassembled, thus the structure ' s frequency and the influencing coefficient of their oscillation mode are solved. it ' s tested from the model experiments and fem that the model given by the article has the virtue of explicit concept and convenient method and high accuracy, and it can give reference to evaluate the load capacity of bridge. in the end, in order to assess the existing bridge ' s seismic resistance performance, force reduction factor with ductility is recommended to reflect the seismic force of the structure during the elastic and plastic periods

    另一方面，由動力相似理論建立了室內模型，並進行室內動力試驗，藉助量測到的模態參數分解出綜合參數，可以反推結構頻率及振型參與系數。試驗結果、有限元計算值表明，本文建立的模型概念明確、計算方法簡便、精度較高，可以為動測法評定橋梁結構承載力提供參考。最後，從延性的角度給出強度折減系數來考慮結構進入彈塑性階段的地震力，從而對橋梁的抗震性能做出評價。
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