自差系數 的英文怎麼說

中文拼音 [chāshǔ]
自差系數 英文
coefficient of deviation
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : 差Ⅰ名詞1 (不相同; 不相合) difference; dissimilarity 2 (差錯) mistake 3 [數學] (差數) differ...
  • : 系動詞(打結; 扣) tie; fasten; do up; button up
  • : 數副詞(屢次) frequently; repeatedly
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. The interdecadal characteristics of correlation pattern of interannual relationship between winter sea - ice extent of davis strait and august 500hpa height of northern hemisphere is " + - + " pattern from ural mountains to north of sea of okhotsk which is strongly negatively correlated with the august rainfall of north china before 1974, and it has not apparent correlation pattern in europe - asia continent after 1974

    1974年前,冬季戴維斯海峽海冰面積和北半球8月500hpa位勢高度場的相關呈一個烏拉爾山開始到鄂霍次克海以北分佈的「 + - + 」型,該型和8月華北降水的反相關較好; 1974年後,相關在歐亞大陸地區變,沒有明顯的相關型,冬季戴維斯海峽海冰面積和8月華北降水關
  2. In the design of corpus, we carefully analyze the syllable distribution of corpus th - coss, then classify the prosodic characters of this corpus and present out the distribution of every prosodic character. based on prosodic character vector, we construct an error function which is used to select original corpus for simulation system, and show the distribution of prosodic characters for the original corpus. greedy algorithm and corpus self - adaptive process are expatiated to set theoretical foundation for text material search

    在語料庫分析與設計方面,首先統計th - coss語料庫中音節分佈情況,給出th - coss語料庫韻律特徵分類,並對每一種韻律特徵進行統計,然後構造了一個基於韻律特徵向量的誤,並採用該誤提取語料組成模擬統的初始語料庫,分析該庫的韻律特徵分佈,最後闡述了greedy演算法與語料適應過程,為文本語料的搜索打下理論基礎。
  3. First, this paper gives an introduction of some methods of unequal probability sampling, their estimators and variance estimators, including sampling with pps with replacement, methods of sampling without replacement suggested by brewer, durbin, sampford, des raj, murthy, rao - hartley - cochran. then, at the basis of rao and bayless ' s study, we consider that population can be splited two random subpopulations, which are respectively drawn from different infinite super - populations, and compare the stabilities of estimators of the methods that given above. we find that the minor difference between two super - populations has great effect on the efficiency of the estimators for the population with moderately large coefficient of variation ( c. v. )

    本文首先從理論上介紹了若干種不等概率抽樣方法,它們的估計量、估計量的方及其估計,其中包括有放回ppz及pps抽樣,不放回不等概率抽樣中的brewer 、 durbin 、 sampford 、 desraj , murthy 、 rao - hartley - cochran等人的方法;其次,在rao和bayless兩人就樣本單元n = 2的情形對上述抽樣方法進行比較的基礎上,將總體隨機地分成兩個子總體,視每個子總體取不同的線性超總體,在文中,我們利用計算機實現隨機分組,並通過畫圖比較各方法估計量的穩定性,結果表明,對變異c . v . ( x )較大的總體而言,兩個超總體之間的微小異將對估計量的穩定性產生很大的影響,從而說明rao和bayless的比較結果還不夠完善。
  4. Deviation equation of magnetic compass based on a set of trigonometric function

    基於三角函的磁羅經校正方程
  5. In order to improve test precision, techniques such as auto - gain control, proper sampling rate select and dithering should be applied into the data acquisition process, and data pre - processing techniques should be used to eliminate data with careless error and correct data with system error

    為了提高測試精度,在據採集中,可以採用量程動切換、合理的采樣頻率以及加擾技術;對採集的據,需要進行預處理,主要包括剔除含有粗大誤據和消除統誤等。
  6. An error compensation modal of non - orthogonal coordinate measuring system is built in this paper, in which completely new thought is taken out : using the natural coordinate system combined with the spherical coordinate system to analyze the errors of non - orthogonal coordinates measuring system, in the result, it makes things simpler and not only find out the number of errors and the factors resulted in the errors, but also build the error compensation formula completely, which perfects the study of non - orthogonal coordinate measuring system " s errors

    本文建立了非正交坐標機械繫統的誤補償模型,提出了一種新的建模思想:在使用球坐標的同時,巧妙結合然坐標。從而大大簡化了問題的難度,不僅正確地分析出非正交坐標機械繫統的誤、各誤項的來源,還成功地建立了誤補償公式,完善了對于非正交坐標機械繫統誤的研究。
  7. In this paper, based on the analysis of the rlem of theory foundation, computing method, preference, applicability, etc, we anatomized the rlem of three self - deficiencies and six scarcities. moreover, we adopted the parallel ways of contrasting the rlem with the fem and applied it to analyzing the impact of slide block of elasticity and plasticity, slip surface of coefficient and slip bed of elasticity, plasticity upon the stability of slope and in the plain linearity slope, the plain refracted line slope and the plain arc slope. in addition, we discussed the warp of between the lem of ( sarma, janbu, order, bishop, morgenstera - price, etc ) and the fem of result and the distributing of positive stress and shear stress on the slip surface

    本文從剖析剛體極限平衡法的理論基礎、計算方法、參選取、適用條件等方面入手,剖析了剛體極限平衡方法的3點身缺陷和6點不足,並在此基礎上採用了剛體極限平衡法(平面滑動破壞法、 sarma法、傳遞法、普遍條分法、 janbu法、 bishop法、 morgenstern - price法)與大型有限元法對比研究的方法,分析研究了平面直線型滑坡、平面折線型滑坡、平面圓弧型滑坡在漸進破壞中邊坡的滑體彈塑性參、滑麵塑性參) 、滑床的彈塑性、以及極限平衡法無法考慮開挖應力釋放等因素對邊坡穩定性的影響與滑動面上的正應力、剪應力分佈規律、安全的解答的異。
  8. The formulas for computing mean and deviation of the average consolidation degree of double - layered soil are derived as vertical coefficient of consolidation submitting to gamma distribution. with these formulas, the influence of geotechnical auto - correlation distance to the probability characteristics of consolidation degree is studied. it shows that along with the rising of auto - correlation distance, the sensitivity of probability characteristics of consolidation degree to auto - correlation distance is falling

    當豎向固結為gamma分佈時,推導了雙層地基平均固結度均值和方的計算公式:利用該公式分析了土性相關距離對平均固結度概率特性的影響,結果顯示,相關距離越大,平均固結度的概率特性值對相關距離越不敏感。
  9. Based on the " study on simultaneous design of blueprint tolerance and process tolerance " ( national nature science fund project, no : 59575076 ) and the " study on computer aided tolerancing system " ( national nature science fund project, no : 59705022 ), the theories of tolerance mathematically modelling and tolerance analysis was studied

    本論文在分析國內外計算機輔助公設計技術的發展歷史和研究現狀的基礎上,結合國家然科學基金「設計和製造(工序)公并行優化設計的研究」 ( 59575076 )及「綜合公計算機輔助設計統的研究」 ( 59705022 ) ,以圓柱要素為研究對象對公學建模與分析技術進行研究。
  10. The dissertation refers to comparatively full literatures in the field of vsc, and the development history and characteristics of vsc are summarized, and the elementary concepts, elementary definitions, elementary properties, elementary principles and design methods are particularly introduced, and the causes of the chattering phenomenon are systematically analysed, and the study status of the chattering phenomenon and the main methods to eliminate the chattering are elaborated. for the deficiencies of traditionary methods, three improved methods are developed, which are improved exponent reaching law solution, variable boundary layer solution and the solution by adding an auxiliary continuous control term. for uncertain linear systems, an adaptive fuzzy integral variable structure control stategy ( afivsc ) is put forward to eliminate the chattering around the sliding plane, which introduces fuzzy logic to soften the non - linear discontinuous sig nal in the control variable and utilizes adaptive theory to adjust output membership function according to how much the uncertainty of the system is

    比較全面地查閱了關于變結構控制理論的文獻,總結了滑模變結構控制的發展歷史和特點,詳細介紹了變結構控制的基本概念、基本定義、基本性質、基本原理以及設計方法;統分析了變結構控制統抖振產生的機理,並闡述了國內外目前對抖振問題的研究現狀以及消除抖振的主要方法;針對傳統抑制和消除抖振方法的不足,改進了傳統方法,得到了三種新的消除抖振的方法? ?即改進的指趨近律法、可變邊界層法和附加連續項法;針對不確定性線性統,在變結構控制策略中引入模糊邏輯和適應理論來消除滑動平面上的抖振,提出了一種適應模糊積分變結構控制方案( afivsc ) ,利用模糊邏輯來柔化控制量中非線性不連續部分,採用適應理論,根據統不確定性大小在線調整模糊輸出量的隸屬函,另外,鑒于模糊控制本質上是有靜的,所以本文選擇了帶積分項的切換函,由於積分項的存在使統較正為無靜統。
  11. Under the direction of chinese soil taxonomy, part purple soils developed on the purplish standstones of j2 # j3 in sichuan basin were systematically studiedaccording to natural landscape, profile modality and quick - test, applying to methods statistic analysis and system integration, main affecting factors, indexs of soil series taxonomy and retrieval orders were systematically discussed. the results showed : 1 ) organic substance, total nityogen, total phosphate, total potassium and particle size composition were distinctly related with many soil characters. organic substance, calcium carbonate, available phosphate # size composition were much different in all swatches. besides, soil structure and the depth had profound affection to it. 2 ) affecting factors : soil structure, texture style and organic substance phosphorous

    本文以土壤統分類理論為指導,以四川盆地侏羅蓬萊鎮組、沙溪廟組和遂寧組紫色巖上發育形成的部分紫色土為研究對象,利用spss統計軟體相關功能,結合供試土壤的然景觀、剖面形態和室內測定的理化性質,對土分化的影響因子、土劃分指標和檢索順序進行了統的探討,結論如下: ( 1 ) 、供試紫色土中有機質、全氮、全磷、全鉀和顆粒組成與多個土壤性質均呈顯著或極顯著相關;有機質、碳酸鈣、有效磷、顆粒組成等性質在供試土壤方分析中變異均較大;土體構型及土體的深度對土壤性質也有深刻影響。
  12. Gabled frames are widely used in industry and civil engineering, it ' s web plates " local buckling calculated formula in the technical specification for steel - structure of one - storey light - weight buildings with gabled frames ( cecs102 : 98 ) are based on the rectangular plates " and did n ' t consider the interaction of the fringe plate. so, there are some different between the actual members and the prescript of the specification, and the post - buckling strength ' s calculated formula is based on the local buckling ' s, it must have some unreasonable

    楔形門式剛架廣泛地應用於工業與民用建築中, 《門式剛架輕型房屋鋼結構技術規程》 ( cecs102 : 98 )中楔形腹板局部屈曲的計算公式來矩形板,並且沒有考慮翼緣的相關作用,因此,規程中的規定與構件的實際工作狀況有一定的異,且屈曲后強度的計算公式也是以局部屈曲為基礎的,勢必有其不合理性。
  13. The article analyzed the reasons that aroused the mean reversion in stock index futures, and the calculation methods of the coefficient of the first - order autocorrelation in basis change

    摘要闡述了指期貨中均值回復現象產生的原因,並進而分析了基變化中的一階相關在不同情況下的計算方法。
  14. By use plc, system can complete function as follow : this auto - control system be applicable to the temperature and smoke and dust the deal the variety quick, control the process is difficult with the operation is ; by the temperature controlor can automatically follow to the wet tower " exit temperature, error in the ? 3 v including ; by to automatically spray fog to lower the electric resistance, with the function for full the electricity equipment accepting the dust ; because of adopting feedback closed loop, and come to a to respond to the speed quick, constant temprature control the accuracy is high ; because of adopting the sensors, and make the system circumstance to leak water quick ; system have many control parameter can set exit control temperature and adjust value low limit by key ; can communication with remote computer and have remote control

    通過使用plc ,使該統可以完成如下功能:適用於溫度及煙塵量變化快、控制過程難以操作的場合;通過溫控表動跟蹤增濕塔出口溫度,誤達到3以內;通過動噴霧來降低粉塵比電阻,以此充分發揮電收塵器的作用;由於採取了閉環反饋迴路,達到了響應速度快,恆溫控制精度高;通過使用各種檢測傳感器,使得異常情況泄水快;該統具有多套控制參,增濕塔出口控制溫度及調節閥下限值可通過按鍵設定;可與上位機通訊,具有「現控遠控」功能。
  15. Compared with traditional air - conditioning, its advantages lie in thermal comfort energy efficiency free use of spacing and etc. this paper introduces the procedure and the result of the experiment of gas - heater radiant floor system and gshp radiant floor system and compares them with traditional air - conditioner. based on the analysis of the heat transfer of radiant floor, this paper uses the theory of heat transfer to establish a mathematical model and computes it with difference equation. the important factors inferred from the model such as floor surface temperature heat intensity composite heat transfer coefficient deviate from the experiment result in a small range of 20 % and fit the need of the practical use

    在分析了輻射地板傳熱機理的基礎上,文中利用熱傳導、大空間的然對流換熱等傳熱學理論建立了輻射地板的傳熱模型,再採用有限分方法對模型求解,所得有關輻射地板供冷熱性能的重要參如地板表面平均溫度、熱流密度、地板表面復合換熱等與實測值相在20以內,滿足工程使用要求;同時得出輻射地板盤管供水溫度是影響地板供冷熱性能的重要因素的結論。
  16. ( 3 ) how to design the bayesian test method about the parameter ' s linear hypothesis according to the relationship between the multivariate t distribution and f distribution. ( 4 ) the bayesian diagnosis and unit root test method about the random error series. ( 5 ) the bayesian mean value quality control chart when the variance is known and the mean value - standard error control chart when the variance is unknown

    然後,研究了擴散先驗分佈下單方程模型參的貝葉斯估計理論,證明了模型的后驗分佈為多元t分佈,模型誤項方的后驗估計為逆gamma分佈;根據多元t分佈和f分佈之間的關,構造了模型線性假設檢驗的貝葉斯方法;根據hpd置信區間構造了隨機誤序列相關的貝葉斯診斷和單位根檢驗方法,並利用單方程模型的貝葉斯推斷理論研究了方已知時的貝葉斯均值控制圖和方未知時的貝葉斯均值?標準控制圖。
  17. The software design uses c51 high - level language to write the modularization programme. by dint of matlab, the precision of system improve by software compensation. in order to avoid the blindness of temperature coefficient, meanwhile, an auto - temperature compensation way via single - chip is brought out

    軟體部分使用c51高級語言編寫模塊化程序,並藉助matlab的據擬合功能,實現對誤的軟體補償,提高了測量精度;同時提出了一種運用單片機實現測量動溫度補償的在線查表法,避免了傳統的選擇溫度補償存在的盲目性。
  18. The paper summarized theories to interpret rural residents " income difference and math methods to measure income difference, which laid theory base for further analysis and provided empirical materials, it studied general income difference of rural residents by gini coefficient, theil index, decomposed gini coefficient according to income sources, ten equally separated methods and econometric models, and measured and analyzed income difference and its determinants of rural residents between regions and in liaoning province and neimenggu municipality

    本文歸納了中國農村居民收入距理論和收入距的學描述,為進一步分析奠定了理論基礎和提供了實證素材。本文選用基尼、泰爾指、按收入來源分解基尼、十等分組法和計量經濟模型研究了中國農村居民總體收入距情況,測度並分析了中國農村居民地區間收入距、遼寧省和內蒙古治區農村居民的收入距狀況以及影響收入距的因素。
  19. At the same time, according to the excellent capability of ip curves, we study fitting and description of objects, determination of invariants of objects, symmetry detection and recognition of objects based on ip curves. in all, the main contributions in the dissertation are as follows : ( 1 ) a method of determining automatically the scale of the multiscale edge detection is proposed based on the variant distance of the variogram function, and a method of segmenting texture images is also presented. the variograin values are taken as stochastic and structural properties of texture images and variant distance is taken as the size of image window

    同時,基於隱含多項式曲線良好的物體描述與識別能力,對物體邊界輪廓的擬合、描述、不變量特徵的提取、識別以及物體對稱性檢測作了統的研究,主要成果及創新之處有: ( 1 )基於變的變程,提出了圖像多尺度邊緣檢測中尺度大小的動確定方法;將變的變值作為紋理的統計和結構特徵,依據變程確定窗口大小,給出一種新的紋理圖像的分割方法。
  20. Theory of self - calibration of platform was enucleated. process of self - calibration of platform discussed in this thesis was given. observability of multi - position error calibration was studied, then calibrate the errors of the platform

    闡明平臺誤標定原理,提出本文研究的平臺標定過程,並研究多位置翻滾試驗下的可觀測性分析,進行平臺誤的標定。
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