離差量 的英文怎麼說

中文拼音 [líchāliáng]
離差量 英文
amount of deviation
  • 離 : Ⅰ動詞1 （離開） leave; part from; be away from; separate 2 （背離） go against 3 （缺少） dispens...
  • 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 : 量動1. （度量） measure 2. （估量） estimate; size up
  1. The accelerometer bias errors result in an average constant offset plus an oscillatory component.

    加速度計的偏置誤差形成一平均的常值偏離加上一振蕩分量。
  2. The results of tem showed that the layers of omt had been separated partly into alone fragment by in - situ polymerization of pu ; the agglomerative nano - sio2 particles in pu composite had been dispersed, but the disperse status became worse as the increase of its content

    Tem結果顯示，通過pu的原位聚合，復合材料中omt的片層被部分分離成單獨的片層;納米510 :粒子被分散，但在復合材料中的分散狀況隨著其含量的增大而變差。
  3. In this paper, based on land use maps of 1976, 1988, 2003, which were interpreted from the landsat mss / tm / etm imageries, and the map of main road, with the buffer analysis tool in arcgis 8, we studied the land use and land cover change on the two sides of the main roads in xishuangbanna, then we studied the impact of population density and the topographic factor on road effects. during the study both the comprehensive land use dynamic degree model and the land use degree comprehensive index model are taken into account, we put forward a compensatory model ? “ amendatory comprehensive land use dynamic degree model ”

    由於人類活動干擾強度加大，公路效應深度不斷擴展， 1976年為5km ， 1988年為7km ， 2003年達到11km ;受自然、社會條件的影響，不同路段的公路效應存在較大差異，甚至同一路段兩側效應也各不相同。 1976年至2003年，距公路不同距離范圍內的人口密度都在增加，且距離公路越近，人口數量密度越大、增長越快，人口分布有向公路兩側聚集的趨勢。選取人口密度為大、中、小三個樣區分別分析公路效應的范圍表明，人口密度
  4. Thus, requirements should, ideally, be expressed in terms of a mean and standard deviation.

    因此，表達需求量的理想術語應該是平均離差和標準離差。
  5. Specially, based on risk - metric and factor variables, the author discusses multi - factor asset pricing model. in theoretical analysis, the author attempts to release the assumption of index ' s random walk, proves a portfolio selection model suitable for the linear index level moreover, based on assets un - exchangeable, the author brings forward asset pricing models for b - shares, h - shares and non - circulated - shares. the author also brings forward multi - factor asset pricing model based on risk - metric indices, such as coefficient of beta, standard variance, standard semi - variance, average absolute deviation, value at risk, and factor variables, such as circulated market equity, exchange ratio, short - term historical return

    在理論分析時，作者嘗試放鬆指數水平滿足隨機遊走過程的假設，推導出指數水平呈線性趨勢的資產組合選擇模型；此外，作者基於資產不可交易這一假設，提出了b股、 h股和非流通股等情形的資產定價模型，並基於系數、標準差、標準半方差、平均絕對離差和風險價值等風險度量指標以及流通市值、換手率、短期歷史收益率等因素變量提出了四因素資產定價模型。
  6. On the one hand, the author discusses markowitz ' s mean - variance portfolio selection model, single - index portfolio selection model, and simplified model of optimal portfolio selection. at the same time, based on the rules of optimal portfolio selection and other risk - metric indices, the author also discusses mean - absolute deviation model, mean - semivariance model and mean - value at risk model. on the other hand, the author discusses the asset pricing model, including the capital asset pricing model ( capm ), the multi - factor asset pricing model, and the arbitrage pricing model ( apt )

    一方面，作者討論了馬科維茲的均值-方差資產組合選擇模型、單指數資產組合選擇模型、最優資產組合選擇的簡化模型，同時根據最優資產組合選擇原則和其他風險度量指標，討論了均值-絕對離差、均值-半方差和均值-風險價值資產組合選擇模型；另一方面，作者討論了資產定價模型，包括多因素資產定價模型和套利定價模型，特別是在四種因素變量的基礎上，探討多因素資產定價模型。
  7. In the end, the system experiments were conducted, and the results show that the system can be used for short - distance ranging

    最後採用延遲線閉環系統聯調，實驗結果表明所設計的測距方案能夠用於近距距離測量，差頻信號頻率反映了距離信息。
  8. A chirp scaling algorithm for airborne bistatic sar is proposed, which is suitable for the flight configuration that transmitter and receiver follow parallel path with equal velocity in broadside looking mode. airborne bistatic sar echoed signal model of this particular flightpaths is derived. the model is converted into the range doppler space and is mapped from double range variables to single range variable domain

    本文建立了這種特殊飛行模式下雙基地sar的回波信號模型，推導了它在距離多普勒域的表達式，解決了信號模型從雙距離變量域向單距離變量域轉化的問題，並推導了cs因子的線性近似表達式，分析了演算法中各種近似造成的誤差。
  9. Earlier, when we calculated the range, the interquartile deviation, and average absolute deviation, the answers were expressed in the same units as the data itself.

    當我們計算極差，四分點離差和平均絕對偏差時，答案的計量單位與數據單位量相同的。
  10. We simulate the practicality system to experimentalize, obtain the relation between defocus and focus error signal, make it a condition that na = 0. 625 and n = 1. 7979

    並模擬實際系統，實驗得出當臨界角棱鏡的折射率n = 1 . 7979 、物鏡的數值孔徑na = 0 . 625時，離焦量與離焦誤差信號的關系曲線。
  11. Firstly, in order to meet the requirement in application, the influencing factors for defocus measurement with one - way defocused detector are analyzed and the influencing regularity of detector position are discussed, after that the relationship between defocus errors and output signals is given too. according to the optimization results, the experimental device is established for this paper

    首先，本文從工程應用角度出發，通過分析單向離焦檢測的誤差影響因素，討論了探測器位置誤差對測量的影響規律，給出了離焦量與測量信號的輸出關系，優化設計了檢測光學系統，搭建了實驗裝置。
  12. Analysis of target tracking based on range difference measurement with multistatic radar system

    多基地雷達系統中基於距離差測量的目標跟蹤分析
  13. When the covariance matrix formed by securities yields is non - oppositive definite, we provide the model with transaction costs, which risk is variance matrix risk. when the covariance matrix formed by securities yields is not exist, the risk we use is absolute deviation risk and semi - absolute deviation, which is differ with traditional risk such as variance matrix risk or semi - variance matrix risk

    在證券收益率協方差陣不一定存在時，給出了不同於以往以證券收益率間的方差或是半方差為風險度量指標而是以絕對離差為風險指標和以半絕對離差為風險指標的含有交易費用的證券組合投資模型。
  14. Since 1952 the markowitz ’ s mean - variance portfolio theory inception, sur - rounding this issue which how to measure risks, it has generated a lot of risk mea - surement methods and bring a lot of portfolio models, such as mean - semivariancemethods, mean - downside risk methods, mean - absolute deviation methods, mean - absolute semideviation methods, mean - absolute downside risk, and soon. 1999, duarte proposed a portfolio optimization uniform model that unifiedthe six methodologies mentioned above

    自從1952年markowitz的均值-方差投資組合理論問世以來，圍繞著如何對風險進行度量這一問題先後產生了許多的風險度量方法，帶來了很多的投資組合模型，如均值-半方差法、均值-下滑風險方法、均值-絕對離差方法、均值-絕對半離差方法、均值-絕對下滑風險方法等等。
  15. Both absolute difference and relative difference among per capita gdps of 14 cities ( prefectures ) increased year by year since 1990 - the absolute difference increased linearly - - and this increased tendency would n ' t change in short period. by counting the discrete and ratio between per capita gdp of every city ( prefectures ) and that of the total province, the relative development speed of every region and the industrial structure of every region, i think that the characteristic of the spatial structure of regional economic difference in hunan is that the area along the beijing - guangzhou railway line in the east of hunan developed fast, while the vast area in the west of hunan developed slowly, so the regional difference increased constantly. on the difference background between the east and the west of hunan, there is the difference between central region and fringe region, for one thing it shows ring difference, namely chang - zhu - tan internal ring, surrounding chang - zhu - tan medium ring, the outermost external ring, the most underdeveloped counties lie on the fringe and mountain regions in the west, south and east of hunan, for another it displays that the peripheral regions of 13 prefectural cities are more developed than the other

    文章還建立了反映基礎設施水平、經濟發展水平、社會發展水平的23個主要指標構成的湖南省區域差異衡量指標體系，在此基礎上，藉助spss統計分析軟體，運用主成分分析法，對湖南省14個市州經濟發展綜合水平的差異狀況進行了研究，結果表明：長沙市的經濟發展綜合水平在14個市州中遙遙領先，反映了湖南省經濟發展空間結構的「單極主導」特徵；通過計算人均gdp的標準差和標準差系數，研究區域經濟差異的總體水平及區域經濟不平衡發展的演變趨勢，發現90年代以來湖南省各市州人均gdp的絕對差異和相對差異都在逐年擴大，其中絕對差異隨年份直線上升，且這種差異擴大的趨勢在短期內難以改變；通過計算各市州人均gdp與全省人均gdp的離差和比率、各市州發展速度的差異及產業結構的差異，認為湖南省區域經濟差異的空間特徵是：湘東京廣沿線地區基礎較好，發展較快，湘西地區發展緩慢，地區差異不斷擴大；通過以縣為對象的差異研究發現在湘東湘西差異的大背景上還有核心區與邊緣區的差異，它一方面表現為長株潭內層、圍繞長株潭的中層、更遠的外層的圈層差異特徵，最落後的縣分佈於湘西、湘南、湘
  16. This dissertation handles the driving information model as the origin, leads into the concept of driving expectation speed and road supply speed, define the concept ? ffset between transferring rate of driving expectation speed and road supply speed ? as the key index of road safety level

    本文以駕車人的信息處理模型為切入點，探討了駕駛行為中的信息負荷度的度量指標，引入了駕駛期望車速與道路供給車速的概念，繼而推導並確立了「駕駛期望車速與道路供給車速的轉換頻度的離差」作為衡量道路安全水平的核心指標。
  17. Measure of dispersion

    離差的量度
  18. 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。
  19. It is usually measured by calculating the standard deviation of the historical returns or average returns of a specific investment

    它通常通過計算某特定投資的歷史回報或平均回報的標準離差來衡量（測定） 。
  20. In temporal segmentation a statistical model is used to automatically separate the moving areas from the background in a general video sequence. the spatial segmentation bases on the results of temporal segmentation and using region - growing algorithm in rgb space can locate precise boundary of moving object. lastly, using segment moving object as the initial model, moving object can be tracked by matching an image to a model based on hausdorff distance on a sequence of video, and the model is updated every frame to accommodate for changes in shape

    時間分割中採用連續幀間差的統計假設檢驗，確定運動對象的位置，自動地分離出運動區域與背景區域；空間分割中則採用基於顏色的區域增長演算法來精確地提取運動對象的輪廓；最後，將提取到的運動對象作為模板，對后續的視頻序列，用基於hausdorff距離度量匹配，來跟蹤並提取后續幀中運動對象。
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