方差來源 的英文怎麼說

中文拼音 [fāngchālāiyuán]
方差來源 英文
soruces of variation
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 來 : 來動詞1 （從別的地方到說話人所在的地方） come; arrive 2 （發生; 來到） crop up; take place; come ...
  • 源 : 名詞1. （水流起頭的地方） source （of a river）; fountainhead 2. （來源） source; cause 3. （姓氏） a surname
  • 方差 : dispersion
  • 來源 : 1. （事物所從來的地方） source; origin 2. （起源; 發生） originate; stem from
  1. Abstract : the error sources of some data acquisition methods are discussed in digital cartography, and these errors are analysed

    文摘:討論了數字制圖幾種數據採集方式的誤差來源，並對這些誤差進行了分析評價。
  2. Resource of rockwell hardness test error and its prevention

    洛氏硬度試驗誤差來源及防止方法
  3. Considering features of environmental monitoring systems, it firstly makes out a general plan by analyzing gprs framework, its technology, the process of data transfer, gps position principles, and error source as well

    首先，在分析gprs的系統結構、技術特點和數據傳輸過程以及gps的定位原理和誤差來源的基礎上，結合環境監測系統的特點，做出系統的整體設計方案。
  4. Starting with analyzing the error of algorithm based on time - fraction and system model, the dissertation investigates the inherent limitation of traditional power system calculation methods

    本文首先從分析基於時間斷面和系統模型演算法的誤差入手，藉助于矩陣分析理論，研究了傳統電力系統計算方法中存在的誤差來源以及它們對計算結果的影響。
  5. The testing technique and system of the newly developed, miniaturized sputtering ion pump with low pumping speed has been developed in accordance with the standards formulated by machine industry

    摘要本文介紹了小抽速微型濺射離子泵的性能測試系統和參考機械行業標準確定的測試方法，探討了測量結果誤差來源。
  6. Abstract : in this paper, the use and test status quo of internal and external large - sized coordinate measuring system is analyzed briefly and the composition, measuring method and error source are described. according to the internal use status quo and present level, the performance parameter, test method and material reference of the theodolite system suitable for indoor test and site test are proposed. the technical approaches for developments of the indoor large - sized standard and site material reference are given

    文摘:簡要分析了國內外大尺寸坐標測量系統使用和檢測研究現狀，敘述了經緯儀測量系統的組成、測量方法和誤差來源，根據我國使用現狀和現有水平，提出了經緯儀測量系統性能參數、檢測方法和標準實物，適用於室內檢測和現場檢測，給出了室內大尺寸標準研製和現場標準實物研製的技術途徑。
  7. In this paper, by analyzing the measuring of instantaneous speed, it was found that the main error is come from the angular measuring error, and then the method to decrease the error is given and the measurement precision is improved greatly

    摘要通過分析柴油機飛輪瞬時轉速的測量誤差，指出角度誤差是飛輪瞬時轉速的主要誤差來源，從而提出了減少誤差的方法，提高了瞬時轉速的測量精度。
  8. This thesis provides the circuit schematic of the unit for measuring harmonic energy and the flow chart for measuring harmonic active energy and harmonic reactive energy. this thesis discusses the error origin of the system for measuring harmonic energy based on wavelet packet transform, and set up the error model, and presents the

    探討了基於小波包變換的諧波電能計量系統的誤差來源，建立了系統的誤差模型，提出了諧波電能計量系統的直流偏置、比差和角差的校正方法。
  9. The errors in measuring system consisting of two sensors are examined, at the same time a method of eliminating the errors is introduced

    分析了所採用的電渦流傳感器位移測量系統出現的誤差來源，並提出了消除誤差的方法。
  10. This thesis analyzed various error resources in gps surveying and advanced appropriate correction measures ; it introduced theory and method that estimate parameter in reliability study, and then, deduced adjustment mathematic model of gps network ; based on analyzing characteristics of reliability study of gps network and outlier analysis, it carried profoundly out study on issue about reliability of gps network, deduced and summarized target of reliability of gps network, including redundant observation component of gps baseline vector and inside & outside reliability index, advanced a theory about reliability of gps network based on correlative analysis, and summarized methods that improve reliability of gps network ; it worked out a software of reliability analysis about gps observation, which made reliability analysis automatic and convenient

    論文分析了gps測量中的各種誤差來源，提出了相應的改正措施；介紹了可靠性研究中參數估計的理論和方法，進而推導出gps網平差的數學模型；在分析了gps網可靠性研究和粗差分析特點的基礎上，對gps控制網可靠性問題進行了深入的研究，推導總結出了gps網可靠性指標，包括gps基線向量的多餘觀測分量、內部可靠性和外部可靠性指標，提出了基於相關分析的gps控制網可靠性理論，總結出了提高gps控制網可靠性的措施；編制出了gps觀測數據可靠性分析軟體，使可靠性分析自動方便。
  11. Based on analyzing the error source, a method is proposed in this paper which uses oversampling and average filter to improve the system ’ s stability and accuracy

    通過分析誤差來源，提出了採用過采樣及平均值濾波的方法提高測量精度及穩定性。
  12. Error analysis and compensation ways of ultrasonic level measurement system

    超聲物位檢測系統中的誤差來源及補償方法
  13. Transforming mechanism of component load direction is designed after analyzing component loads error ' s sources. the analysis and calculation of concomitant error from transforming mechanism have also been done to make sure that weighting system can satisfy requirement for precision

    在分析加載誤差來源后，設計了載荷方向轉換機構，並對轉換機構帶來的誤差進行了計算和分析，證明加載系統能夠很好地滿足精度需要和技術要求。
  14. Abstract : in this paper, we develop a lofting method for railway tunnel profile including straight way and curve way, analyse carefully the error resources of lofting, and move an amendment one by one, precision analysis to the amended lofting formula shows that the lofting precision is up to scheduled standard

    文摘:提出了鐵路隧道斷面（包括直道、彎道和坡度）的放樣掃描方法，詳細分析了放樣掃描的誤差來源，並逐一給出了修正方案，對修正後的放樣公式作了精度分析，放樣精度達到了預定的要求。
  15. The circui t construct ion and the relevan t schemes of the realization of the circuit are also provided, simultaneously, the source of errors and the compensation methods are discussed. all of analysises, calculation results and simulations demonstrate that the methods presented in the paper are feasible, the algorithm is effective, the realization of circuit is simple, the procedures of the design are standard, the circuit is easy to be fabricated on a monolithic, and the system can be used for processing middle - high frequence signal and be applied in low - voltage, low - power and at high speed

    在此基礎上，本文首次提出了一種基於狀態空間對數域濾波器的一維連續小波變換實現方法、結構以及相關模塊電路實現的策略，並對該方法的誤差來源與補償措施進行了討論。論文中的理論分析與計算以及模擬結果表明，用對數域狀態空間濾波器實現一維連續小波變換的方法可行，演算法簡單、有效，電路實現簡單，設汁過程規整，易於單片集成，適合處理中、高頻信號並運用於低電壓、低功耗、高速的場合。
  16. The noise estimation theory of the gps / ins integrated navigation system and the error analysis is are systematically discussed in this dissertation. at first the paper briefly introduce the error of the integrated system and the cause of the error, and give an estimation model of the error. in order to solve the precise estimation of the error using artificial neural network, then an artificial neural network model is discussed

    本論文首先介紹了gps慣性組合導航系統的誤差和誤差模型，綜述了gps和慣導系統的誤差和誤差來源，給出了這兩種導航系統的誤差方程，討論了導航系統中常用的數據處理方法?卡爾曼濾波，給出卡爾曼濾波的基本方程，深入研究了卡爾曼濾波在組合導航系統數據融合中的應用。
  17. Use the magnetic vector for the observation information, the paper estimate the location and rate of the satellite, analysis of simulation results and the sources of error. to further enhance navigation accuracy, the paper study the unscented kalman filter, compare with the extend kalman filter. in the same initial conditions of the extend kalman filter, we do the simulation

    其次，基於磁環境模擬系統的測量數據，本文研究了擴展卡爾曼濾波演算法，建立了衛星的運動學和動力學方程，以地磁場矢量為觀測信息，對衛星位置速度進行了估計，並分析了模擬結果及誤差來源，為了進一步提高導航精度，本文又研究了unscented卡爾曼濾波演算法，給出了原理及步驟，並與擴展卡爾曼濾波進行了比較分析。
  18. In order to improve the accuracy based on colored ccd flame temperature field measurement, on the basis of analysing error source, compare multinomial interpolation, least square method and bp neural network application in reducing the error of temperature survey

    為了提高基於彩色ccd火焰溫度場測量的準確性，在分析了誤差來源的基礎上，比較了多項式插值、最小二乘法和bp神經網路在減小測溫誤差方面的運用。
  19. The main contents are as follows : ( 1 ) the measurement data processing theory and the design scheme of gps tunnel control network are introduced ; a wavelet analysis technique that can efficiently reduces the multi - path effects caused by tall buildings is presented ; finally, the factor sources of transfixions errors of underground tunnel and limit error distribution method which depends on unequal influence principle are proposed

    具體研究內容如下： （ 1 ）研究了遂洞gps測控網的布設、數據處理理論；探討和研究了構築物反射等產生的多路徑效應的影響及應用小波分析理論有效減弱gps接收信號的多路徑噪聲的方法；討論了地下隧洞貫通的誤差來源及貫通誤差的優化配賦方法。
  20. It helps the students have a basic understanding on basic concepts and terms of instrument analysis, grasps various instrument analysis methods, comprehends the basic principles of those methods and understands the instrument ' s structure and its application

    要求通過理論教學，使學生了解本課程的重要性及儀器分析的進展；熟悉各種儀器分析的優缺點；掌握各種儀器分析方法的原理、誤差來源及儀器的基本構造。
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