方差的分量 的英文怎麼說

中文拼音 [fāngchādefēnliáng]
方差的分量 英文
component of variance
  • : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : 4次方是 The fourth power of 2 is direction
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  1. The influence of institutional power is exhibited through turn - type allocation and turn control strategies in the phase of turn development. the whole conversation goes mainly under question - answer adjacency pair. the differences and similarities of the turn - control strategies employed by the show hosts and the show guests have been investigated

    本文在定性基礎上採用z - test檢驗了主持人使用各種放棄話輪、取得話輪佔主持人總話輪比率與嘉賓使用各種放棄話輪、取得話輪占嘉賓總話輪比率之間是否有顯著異。
  2. Backed up by the soplat theory based on particle kinematics, the second chapter of this paper presents with analysis and simulation of several single observer passive measurement models, which uses such relative movement parameters as bearings changing rates and centrifugal acceleration information on the basis of bearings measurements. in the third chapter, the observability of location respectively using bearings and its changing rates information and centrifugal acceleration information is analyzed, and its observable condition is got. the fourth chapter puts forward the modified covariance extended kalman filtering ( mvekf ) against the defect of traditional extended kalman filtering ( ekf ), whose performance is simultaneously compared in the chapter with the performance of ususal tracking algorithm such as ekf, mgekf, iekf by computer simulation

    在近年來提出基於質點運動學原理單站無源定位理論基礎上,本文第二章提出了幾種在角度測基礎上增加角度變化率及相對運動離心加速度等運動學參數單站無源測模型,並對它們進行了析和模擬;第三章別對利用角度及其變化率信息定位和利用離心加速度信息定位可觀測性進行析並得到了相應可觀測條件;第四章針對傳統擴展卡爾曼( ekf )缺點,提出了一種修正協擴展卡爾曼濾波( mvefk )法,並將其和ekf 、 mgekf 、 iekf等常用單站無源定位濾波法進行了性能模擬比較;第五章通過引入雷達機動目標跟蹤法和模型,提出了利用角度及其變化率對機動輻射源跟蹤多級噪聲自適應法和imm法;第六章主要對角度變化率和離心加速度參數獲取技術進行了研究,提出了幾種高精度測脈沖序列多普勒頻率變化率法。
  3. The equations of the mean value functions and the covariance functions are established for dynamical systems whose inputs are fuzzy stochastic processes. an existence and uniqueness theorem of ito fuzzy stochastic differential equations is proved, some explicit representations of solutions and the equations of statistical characteristics are deduced for linear fuzzy stochastic differential equations, and numerical methods to nonlinear fuzzy stochastic differential equations are proposed, the conditions for stability and observability of fuzzy linear systems are derived. the kalman filter algorithms of linear fuzzy stochastic systems are brought forward

    主要成果包括:提出了模糊隨機變和反向協概念;研究了二階模糊隨機變收斂性,並在此基礎上得到了均模糊隨機析、平穩模糊隨機過程及其譜若干定理;根據均模糊隨機析理論,得到了輸入為模糊隨機過程線性系統輸出輸入統計特徵關系程;證明了ito型模糊隨機微程解存在唯一性,並給出了ito型線性模糊隨機微程解表達式,統計特徵程以及非線性模糊隨機微數值解法;得到了模糊線性系統穩定性和可觀性條件、線性模糊隨機系統統計特徵程和線性模糊隨機系統kalman濾波演算法;研究了當觀測值是模糊數據時,線性回歸模型建立。
  4. Twenty f1 combinations crossed among 5 varieties and strains different in fiber properties according to complete diallel crossing design were used to evaluate the heterosis and gene action of boll weight and lint percentage in high quality fiber property varieties in upland cotton in 1998 1999 for two year successively at nanjing. it was indicated that there existed small interactions with the environmental factors without maternal effects and the additive gene effect was in chief, attaining to 51. 2 % and 65. 4 % respectively for boll weight and lint percentage. the dominant effect was also in higher rate, 32. 6 % and 16. 8 % respectively. the population mean heterosis of boll weight and lint percentage over the mid - parental mean were relatively prominent 13. 3 % and 3. 5 % respectively in extreme significance. however, boll weight showed no significantly surpassing parental f1 heterosis over the better parent based on population mean ( 2. 0 % ) ; while the lint percentage expressed significant negative heterosis value ( - 2. 1 % ). the gene actions were in conformity with the heterosis expression. it was shown clearly that the f1 combinations crossed between parents with similar performances had relatively high dominant effects and significant positive f1 surpassing parental heterosis ( f1 heterosis over the better parent ) ; while no f1 combination crossed between the parents with prominent mutual difference surpassed the higher parent in yield components, which indicated that among those parents with less difference and close relationships, there still existed sufficient genetic variation or certain mechanism for creating variation and achieving greater advances in breeding. correlation analyses also indicated that there still existed severely undesirable negative correlation between yield and fiber properties as well as the difficulties for their simultaneous improvements

    利用5個具有不同纖維品質性狀品種(系)配製完全雙列雜交組合20個,通過親本和f12年隨機區組試驗發現產性狀鈴重和衣與環境互作效應小,不存在母體效應,並以加性遺傳效應為主,別占表型51 . 2 %和65 . 4 % ;顯性遺傳效應所佔比率也較高,別為32 . 6 %和16 . 8 % .鈴重和衣群體平均優勢較大,別為13 . 3 %和3 . 5 % ,達到了極顯著;鈴重超親優勢為2 . 0 % ,不顯著;衣為顯著負值( - 2 . 1 % ) .遺傳析與雜種優勢結果一致.具體表現在產性狀上,親本相當配製組合雜合顯性較高,其超親優勢正向顯著,而極值親本(異較大)所配組合沒有超過高親.這表明親本異小、親源關系較近親本中仍然存在足夠遺傳變異或某種機制以創造變異使育種取得更大進展.相關析表明了仍然存在嚴重品質與產負相關,遺傳改良難度較大
  5. The fourth chapter " reseach on fractai structure of stock price " anaiyzed the fractai structure of stock price, deduced the investment function, caiculated the hurst exponent, 3 correlation dimension, and max lyaponov exponent, analyzed the self - similarity, long range dependence, circulation period of stock price and sensitivity of stock price to the initial value, suggested took the exponent characterize fractal instead of variance as instrument to measure risk

    第四章析並檢驗了股票市場形混沌特徵,推導了投資函數,計算了表徵股票市場形特徵hurst指數,關聯維和最大lyapunov指數,析了股票價格自相似性、長期記憶和循環周期,析了股票價格波動對初始條件敏感性,提出中國股票市場具有混沌特性,用傳統法度股票風險是無效,必須使用混沌析能夠理論來刻畫股票收益風險,建立收益模型。
  6. Aesthetic appearance is one of the most important criteria used by consumers in judging clothing wear performance. bagging is a kind of three - dimensional residual deformation that deteriorates garment appearance during wear and caused dissatisfaction. to understand the psychophysical mechanisms of fabric bagging perception, a method of subjectively evaluating this behavior is developed by using a series of photographs taken from bagged fabric samples. both ranking and rating scales are used as the psychological scales. the two scales are highly correlated with each other, but the rating scale provides more information than the ranking scales and can indicate perceived differences between fabrics. a linear relationship between subjective perceptions and measured residual bagging height shows that perception of fabric bagging follows stevens ? power law. residual bagging height contributes up to 94 % of the total variance in the perception of fabric bagging. the rest of the variation may be attributed to anistropic behavior during the bagging process

    美觀是消費者日常服裝穿著功能中最重要指標之一.起拱是一種外衣穿著中引起變化,令人不滿三維殘余變形.一種主觀評價法是從一系列起拱織物照片來理解心理物理學規律,採用優劣排序等級和優劣評判等級兩種法用於心理評價標度.這兩種等級互相間緊密相關,但評判等級比排序等級包含更多信息,可以更好地區出兩種織物間異.主觀評價結果與測得到殘余起拱高度之間線性相關,表明了織物起拱特性符合斯特藩指數定律.殘余起拱高度對織物起拱特性總貢獻在94 %以上.其它可能是起拱時各向異性因素引起
  7. In the base of investigating and analyzing to working theory, measure methods and relevant standard, the text processes particular analyses to the working theory of billing system and reason of making billing wrong and puts forward technology index and measure method that can externally evaluate the capability of billing system and is suit to the situation of our country. some indexes and measure way are put forward for the first time ( example error of call clock, time error and measure method to moving exchanger ' s billing system. ) through analyzing telecom charging way, charging users, charging point and charging methods of telecom basic and all kinds value - added operation and utilizing the newest measure apparatus, modern measure technology, communication technology and probable method, this text puts more scientific, efficient and easily operated measure methods and process a uncertain analysis to measure methods

    本文在調查和析國內外局用交換機計費系統工作原理、檢測法和相關標準基礎上,對計費系統工作原理和產生計費錯誤原因進行了詳細析,提出了適合國情能夠客觀評價計費系統計性能技術指標和檢測法,有些指標和檢測法在國內相關資料中屬首次提出,如通話計時誤和時刻誤和對移動交換機計費系統一些檢測法;本文通過對電信基礎業務和各類增值業務計費式、計費用戶、計費點和計費析,利用國內外最新檢測儀器、現代檢測技術、通信技術和概率統計法,提出了較科學、有效和利於實施檢測法,並對檢測結果不確定度進行了析。
  8. After the comparison of the merits and faults between fourier spectrum analysis method and wavelet - neural network analysis method, the latter is selected. after the research on the principle of accuracy - loss diagnosis of the dynamic measurement, the diagnosis theory and method are advanced. according to the error model established of the dynamic system and the results of the error tracing, using bp neural network, the accuracy - loss law of each inner unit is acknowledged

    對于實際進行誤解與溯源信號處理法,在比較了譜法與小波神經網路優缺點之後,指出譜解結果不夠理想,並最終確定用小波神經網路來進行實際測系統解與溯源。
  9. Following, making development study from the three directions : the first one is how to reduce calculation when to use markowitz model. this text has improved the efficient frontier of markowitz model utilizing free risk assets, and reduced calculation about revenue rates " co - variance matrix utilizing single or multiple factors, and so on. the second one is to add thinking factors about, such as transaction fee, fund limitation, lowest transaction unit ' s limitation, risk measures and exchange rate risk of international portfolio securities, so as to make markowitz model closer to our country ' s practice

    接著,三今向對markowitz模型進行了拓展研究:第一個向是運用markowitz模型時如何減少計算,本文利用無風險資產來改進markowitz模型有效邊界,利用單因子或多因子模型來減少收益率協計算等等;第二個向是增加考慮因素,諸如交易費用、資金限制、最小交易單位限制,風險測度和國際組合證券匯率風險,使markowitz模型更貼近我國實際;第三個向是對markowitz模型進行動態拓展研究,提出了將證券收益率看成是隨機序列時投資決策模型,深入研究了m ? v有效邊界隨資產品種數增加而發生漂移,並用解析法和幾何圖形描述了漂移軌跡和向。
  10. At the same time, the method of disposal phase shift of ct by compensation is introduced. then the analysis and statistic of electrical power quality, the control scheme and compensating amount of capacitor for reactive power compensation are analyzed respectively. and in the paper, the control with a / y and the switch with ac contactor and solid state switch is valid measure not only for improving operate level economically and amending electrical power quality but also for avoiding of replacing switch frequently and decrease economic loss

    然後對現有演算法進行了詳細析、比較,篩選出既能滿足硬體要求又可降低投資、保證精度、簡化軟體案,確定了準同步采樣案,並通過對準同步采樣誤析,提出了一種從45開始采樣,從而提高精度采樣數據處理辦法,同時,對于電流互感器相位漂移提出了一種補償辦法,接著對裝置中電能質析與統計以及無功補償中電容器補償、投切原則也作了相應析,其中對于無功補償採用y混合接線,並利用交流接觸器和固態開關共同投切電容,不但提高了經濟運行水平、改善了電能質,而且有效避免了頻繁更換開關,減少了經濟損失;最後,設計了裝置硬體電路並繪制了相應軟體流程圖。
  11. When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system

    在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器可靠性計算新模型,從電氣和機械兩個面,提出並闡述了應採用可靠性保障技術及其使用法:根據最新可靠性理論,建立了石油測井儀器可靠性系統模型,探討了石油測井儀器可靠性指標及其獲取途徑,提出了推薦使用石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器穩定工作時間( mwture ) 。在研究數據處理法時,闡述了伽瑪信號特徵,對測類型進行了統計檢驗;介紹了數字濾波基本理論、數字濾波概況,並進行了析;對伽瑪信號數字濾波效果影響因素及其對測井曲線影響進行了基本析;從獲取平穩段真值、地層邊界檢測與處理兩個面,建立了數字濾波效果評價準則( rvi , rmse , sfi ) ,給出了相應數字濾波法及效果評價法;探討了自然伽瑪信號數字濾波器設計法,提出了適合自然伽瑪測井混合濾波案,探討了混合濾波實現途徑;通過對部數字濾波研究,給出了靈活可選數字濾波系統構成及實現流程;提出三種濾波案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。
  12. For the first time, the internal gear is measured on three - coordinate measuring machine, gear error of internal gear is calculated and analyzed by comparing the measuring data with the desired data. the result of analyzing reveals the correctness of math model and manufacturing method

    首次在三坐標測機上實現了中心輪內齒圈齒形檢測,並把檢測數據與理論數據進行比較,求出了中心輪內齒圈齒形誤,通過對齒形誤析,證明了以上數學模型是正確,加工法是可行
  13. At first reviewing the history of strategy management ; on the basis of analyzing the external environment and industry competition situation of this enterprise and analyzing its advantages and disadvantages. internal abilities, the paper points out the suitable development strategy for this enterprise - - the single - crop farming strategy concentrating its attention on piston ' s research and development producing and selling ; it should take advantage of established market network and good reputation on brand and select the style of initiative attack market leader strategy as its basic strategy ; meanwhile, it suggests that the enterprise should cultivate its own new core competence in the field of the piston ' s researching & designing rely on japanese and german technique ; according to the specific product ' s marketing status, it should acquire and maintain competitive advantages by adopting the low cost strategy and differentia strategy on the different products ; quicken the product configuration adjustment, enlarge the productivity of diesel oil piston ; it should establish strategy cooperation partnership with those strong domestic and foreign main engine manufacture enterprises. finally, the paper gives suggestions on organization structure system innovation, human resource management and exploitation, market management, quality management, information construction in the course of the enterprise strategy being implemented

    首先回顧了戰略管理理論發展演變歷程;然後通過對該公司宏觀環境、行業競爭態勢以及企業優劣勢、內部能力等析,在此基礎上提出了適合該企業發展戰略? ?專注于活塞產品研製、開發、生產、銷售單一經營戰略;充發揮企業現有在營銷、品牌優勢,選擇積極進攻類型市場領先者戰略作為其基礎戰略;並且提出了依託來自日本和德國先進技術,培育企業在活塞產品設計、開發核心競爭力思路;根據產品市場具體狀況在不同產品線上別採取成本領先及異化戰略獲取和保持競爭優勢;加快產品結構調整,擴張柴油機活塞生產能力;與實力強大國內外主機企業建立戰略協作夥伴關系;最後對企業戰略實施中組織機構、制度創新、人力資源管理與開發、市場營銷管理、質管理、信息化建設等重要問題提出了自己見解和建議。
  14. Research works have been done on not only the methods of msa including metrological properties and reliability analysis, but a lso the theory and evaluation method of dynamic uncertainty based on the analysis of the current theories of msa, reliability analysis and uncertainty analysis. some innovative ideas and achievements are presented. deficiencies have been found in the applicability and error analysis of current mas method on the metrological property analysis, and current method of reliability analysis is also found hard to performance, which makes the performance of reliability evaluation of measurement system stay on formalization

    本文從現行系統析、可靠性析及不確定度理論出發,對測系統法進行了系統、全面探索和研究,並對動態不確定度理論及其評價法進行了探索,完成和取得了如下主要工作及創新性成果:通過對測系統現行法及可靠性析,發現測系統現行法在適用范圍及對系統誤析上存在局限,而現行可靠性法也難于操作和實施,使得測系統可靠性評價實際上流於形式。
  15. 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測值誤析,本文提出了一種首先利用tdo咖a平均測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測值中nlos誤大小,然後對tdo … a測值進行平滑與重構,再採用兩次wls計算,以降低nlos誤對定位性能不利影響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具體實施法,通過詳細模擬驗證了這種演算法有效性。
  16. Moreover, the effects of the system parametric ( such as baseline length, time measure error, sound velocity fluctuate and buoys errors ) on localization accuracy are studied. the laws of the bistatic tol and bol localization algorithm are obtained

    同時,通過對各種系統因素,如基線長度、系統測、聲速波動、浮標偏移等參數對演算法性能影響析,得出了採用tol和bol法進行定位時,定位誤佈規律。
  17. ( 2 ) because of t he variability of rock subjected to outside action, three new conceptions : postive damage basic damage and negative damage, are suggested, which can deal with the condition that rock density became large. ( 3 ) the present damage variables based on ct number mostly include ct average number of the rock without damage, which is difficult to measure, so a new damage variable, which includes the average ct number is proposed, on the other hand, strain equal theory is generalized because the one put foreword by lemaitre is not good enough to use. ( 4 ) a axial damage constitutive equation is proposed and testified. ( 5 ) with the circle times, the damage propagation laws of two different rocks, subjected to circle of freezing and thawing, are studied, and in the analysis process, traditional analysis method including average ct number and is used, some important conclusions are reached : inner damage of soft rock containing a large mount of apertures is largely propagating with the time increasement of circle, however, at the preliminary time, the hard rock containing a small mount of aperture is a little propagating, at late time, the influence become large ; ( 6 ) zone separation and statistics frequency put forward is used to analysized the three different damage propagation in the open circumstance, when they are subjected to the different circle times of freezing and thawing, in which the temperature variability is linear, different freezing rate, and different freezing temperature, and no water is supplied during the test

    在研究過程中本文主要做了以下工作: ( 1 )針對巖石損傷變化較小時,運用ct均值和析不便缺陷,本文提出運用對ct數范圍劃區段法,根據各區段統計頻率變化規律來析損傷擴展狀況; ( 2 )針對巖石受到外部作用多變性,本文提出了基準損傷,正損傷,負損傷概念,在某種程度上考慮了巖石受到外部作用時壓密情況; ( 3 )現有基於ct數損傷變大多需要用到巖石基體ct均值,這實際上是很難觀測到,因此本文建議了一個可運用巖石初始狀態ct均值損傷變,由於現有勒邁特教授應變等價原理使用上不便,本文在其基礎上進行了推廣; ( 4 )建議了一個可用巖石初始狀態ct數和彈性模單軸損傷本構程,並用算例進行了驗證; ( 5 )對兩種不同巖石在開放環境下受到凍融循環作用且融化過程中補水時,內部損傷隨凍融循環次數增加擴展規律進行了探討,主要運用了常規ct均值和ct法進行析,試驗發現:對于孔隙率和含水率較高,密度和強度較低軟弱巖石,凍融循環次數對損傷結構擴展有明顯影響,而對于孔隙率和含水率較低,密度和強度較高硬巖,凍融循環次數對其損傷結構擴展初期由於含水率低原因,影響不是太大,而後期由於水補給后,含水率較高原因,凍融影響逐漸增大; ( 6 )運用了本文提出區段劃和統計頻率法,深入地析了開放環境下線性溫度變化凍融循環次數,凍結溫度,凍結速度不同巖石作用時,其內部損傷隨凍融循環次數,凍結速度和凍結溫度變化擴展規律,需要指出是除了在試驗前飽水外,凍融過程中沒有補水。
  18. 3. the analysis method of the fuel measuring error caused by the aircraft attitude is presented

    ( 3 )提出並實現了油姿態誤法。
  19. In signal processing circuit, the key of our study, based on methods of mcu + cpld and a / d converter, a time interval measurement unit is done, in which an isp cpld counter is carried out to judge laser pulse for controlling counting and offering signal of time series and control, and a count quantization error measurement circuit which main ramp circuit and 12 bits a / d conversion circuit guarantees the resolution of system

    信號處理部是本文研究關鍵,採用mcu + cpld設計法和模數轉換技術構成時間間隔測單元理論基礎,其中用可在系統編程cpld計數器實現了對循環光脈沖判斷以開關計數,並提供計數化誤電路相應時序和控制信號,用斜坡電路和12位a / d轉換電路完成對計數化誤,保證了系統解析度。
  20. Hierarchical regression indicated that the job - character was a powerful predictor of job burnout beyond demographic variables, 20. 7 % variance of emotional exhaustion, 20. 1 % variance of cynicism, and 7. 2 % variance of professional efficacy were explained by job - character

    層回歸結果顯示,在控制了人口統計學變之後,工作特徵所解釋變異,在情緒衰竭、玩世不恭和職業效能三個維度別增加了20 . 7 % 、 20 . 1 %和7 . 2 % 。
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