經典統計理論 的英文怎麼說
中文拼音 [jīngdiǎntǒngjìlǐlún]
經典統計理論
英文
classical statistical theory- 經 : 經動詞[紡織] (把紡好的紗或線梳整成經紗或經線) warp
- 典 : Ⅰ名詞1 (標準; 法則) standard; law; canon2 (典範性書籍) standard work of scholarship 3 (典故...
- 統 : Ⅰ名詞1 (事物間連續的關系) interconnected system 2 (衣服等的筒狀部分) any tube shaped part of ...
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 理 : Ⅰ名詞1 (物質組織的條紋) texture; grain (in wood skin etc ) 2 (道理;事理) reason; logic; tru...
- 論 : 論名詞(記錄孔子及其門徒的言行的「論語」) the analects of confucius
- 經典 : 1. (具有權威性的著作) classics 2. (宗教教義著作) scriptures 3. (著作具有權威性的) classical
- 統計 : 1 (對有關數據的搜集、整理、計算和分析) statistics; census; numerical statement; vital statistic...
- 理論 : theory
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Because of its extensive application and underdeveloped research level in our country, this paper establish the numerical model of blank cartridge ejecting device, the whole process from blank cartridge burning to eject missile is analyzed by classic interior ballistic theory and gas dynamics. several simulation examples are given, and the effect of different parameter structure on ejecting device is discussed
鑒于這類系統在我國的廣泛應用與相對滯后的研究水平,本文針對三種類型五種型號的掛彈鉤建立了拋放彈彈射機構的數學物理計算模型,用經典內彈道和氣體動力學理論分析了火藥彈燃燒到彈射活塞完全推離懸掛物的整個過程。Some classical chaotic systems are used to check formula, the result indicate the values calculated by the programs accord with the theory values
用某些經典的混沌系統對這些演算法進行了驗證,結果表明程序計算的實際值和理論值基本一致。At first, this paper analyzes the factors of water - sand influencing water level of yellow river and the feasibility just using the factors of water - sand to study water level, and collects the corresponding data ; secondly, because there are strong nonlinear relation in the corresponding data, by meticulous theory analysis, this paper integrates basic nonlinear analysis method, theory of random analysis, method of least squares and so on. it puts forward a method which can get the high accuracy simulation of the data, perfects the multi - factor analysis of variable ( over three factors ) of the statistic ; thirdly, it applies the method to the approximation of corresponding water level process which belong to the capacity of sand of middle - high and middle - low, and get the high - accuracy simulation about the typical nonlinear relation ; at last, this paper definitudes the main influence mode that the capacity of sand. it mainly unite with other factors to work on the water level in the yellow river lower reaches ; mor eover, this paper analyzes the difficult point and the direction of improvement to realize the accuracy forecasting of the flood level of erodible - bed channel
首先,系統分析了影響黃河水位的水沙因素,及僅用水沙因素有效研究水位的可行性,並按變量對應思想採集它們的相應數據;其次,由於相應水位過程數據中含極強的非線性關系,本論文經細致的理論分析,將基本的非線性分析方法、統計建模方法、隨機分析理論、最小均方誤差原則等等數學理論及方法有機揉合,提出了能有效實現這類數據高精度擬合的分層篩選法,並改進了統計學中多因子(三個以上)方差分析法;再次,將這一方法用於黃河中高及中低含沙類洪水相應水位過程的擬合,實現了這一典型非線性關系的高精度擬合,各年汛期上下游相應洪水位過程的擬合誤差都較小;最後,明確黃河下游含沙量對水位的主要影響方式,即含沙量主要是與其它因素聯合對水位作用;另外分析了要實現變動河床洪水位過程準確預報的困難所在及改進方向。Among them the gray level co - occurrence matrix ( glcm ) and gray gradient co - occurrence matrix ( ggcm ) methods, which attributed to the statistic textural analysis scheme were then chosen to extract the textural features of five kind areas on satellite images. in the second part the principle of classification and bp neural network were introduced. combined with textural features, the improved bp neural network successfully performed on the classification of the satellite images
論文的第一部分介紹了進行紋理特徵研究的一些典型的方法,利用其中的基於統計的紋理分析法中的灰度共生矩陣以及灰度一梯度共生矩陣法,分析了衛星雲圖上五類區域的紋理特性;第二部分主要介紹了遙感圖像分類原理以及神經網路中的bp演算法,在對演算法原理進行深入理解的基礎上,把紋理特徵與神經網路進行組合,實現對衛星雲圖進行分類分析;第三部分內容是在前面圖像分類結果的基礎上,對序列圖像用相關匹配法進行運動分析,反演雲跡風風場。This unevenly location of fdi and it ' s fluctuate trend affected the balanceable development of regional economy profoundly. based on the international capital flows and the economic facts of fdi flowing into china, this paper establishes an analytic framework with international economics and regional economics, then analyzes the effect of fdi on regional economic growth and in the end put forward the regional policy advice which would stimulate foreign investments inflowing into china
本文以經濟全球化趨勢下的國際資本流動和改革開放的經濟現實為背景,借鑒新制度經濟學和新古典經濟學分析方法,建立了國際經濟學、區域經濟學和發展經濟學的分析框架,理論分析與實證研究相結合,重點運用數理統計方法和計量經濟模型,利用時間序列和橫斷面數據對fdi對我國區域經濟增長的影響進行了全面分析,並提出了引進外資的區域政策建議。Disigning coolant channel on the firebox of liquid rocket engine to loxodrome ( equal - angle helix ) groove can improve firebox coolant capability greatly. because the width dimension of loxodrome groove is narrow and the depth is deep, some machining methods are incapable, such as end - milling or electrochemistry. according to the peculiarities, a cnc disk - cutter - milling method which is composed of five motion axes with four simultaneously interpolated ones is researched. because most firebox generatrix is composed of complex curves, it is very difficult to get cnc cutting program with manual means. in order to deal with the problem, the loxodrome mathematics model is studied, and an auto - programming software system is developed. the software system can generate cnc cutting program of loxodrome on many kinds of turned surface. the constriction - distension segment of firebox is the most representative workpiece. the sharp changing of its generatrix slope makes loxodrome milling difficult. with the theory analyzing and practice cutting experiment, some applied techniques, which include milling mode and direction, choosing cutter diameter and cutting start point setting, are developed. adopting the technology above, tens regular workpiece have been manufacturing. the two - year manufacture practice has confirmed the validity and feasibility of developed loxodrome coolant channel milling method. the developed technology is also worth to be referenced to other similar workpiece
將液體火箭發動機燃燒室的冷卻通道設計為斜航線(等傾角螺旋線)槽形,可以大幅度改善燃燒室的冷卻性能.斜航線冷卻槽的槽寬尺寸較小而槽深尺寸較大,所以無法使用棒銑刀銑削、電化學等加工方式.針對這些特點,提出了五軸控制、四軸聯動的數控片銑刀銑削加工方法.由於燃燒室外表面的母線輪廓復雜,手工編制數控加工程序難度大.為了解決數控加工程序的編制問題,研究了斜航線的數學模型,開發了自動編程軟體系統.使用該系統,可以生成多種母線輪廓回轉體外表面上的斜航線數控加工程序.燃燒室收斂-擴張段的母線斜率變化大,加工難度大,是斜航線冷卻通道加工的最典型工件.經過理論分析和實際切削實驗,研究了針對該類型工件的片銑刀直徑選擇、銑削方式和方向、刀具調整和起刀點的設置等多項實際的加工方案.採用上述的一系列技術,已經成功地加工了數十個合格工件.經過兩年多的實際生產過程應用,驗證了所開發的斜航線冷卻通道加工方法的正確性和可行性.這些加工技術的研製成功,對其他相似類型零件的加工亦具有參考意義This general form leads to the unification of coulomb ' s earth pressure theory and rankine ' s earth pressure theory, and makes the classical earth pressure theory to consummate, and enables the computation for retaining wall ' s engineering design to be more convenient
一般形式的提出,使朗肯土壓力理論和庫倫土壓力走向統一,使經典土壓力理論得以完善,使擋土墻工程設計時的計算更加便捷。The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro
激光陀螺的核心部件為he - ne環形激光器,而掌握光與介質的相互作用理論是研究激光器的關鍵,採用拉姆半經典理論為主,在密度矩陣理論的基礎上,推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程,運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組,在此基礎上,運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ,對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究,並且運用全量子理論,對激光工作原理進行分析,得出二能級系統單模輻射場的光子數密度分佈,得出激光場的光子統計分佈,模擬激光場的動態建立過程。In order to change situation and realize higher education evaluation online, with introducing the origin and the phylogeny of higher education evaluation as the starting point in the paper, analyzing the characteristic of higher education evaluation and comparing several typical evaluation methods each other, we put forward a synthetic evaluation method based on a combination of ahp and fuzzy estimation. then we have made a thorough and careful study in education evaluation work pattern and system structure, in which some related technique, such as active server page technology and web database access technology etc. are discussed
本文首先介紹高教評估的起源及其發展概況,並分析了高教評估的特點,在深入研究幾種經典的評估方法的基礎上,提出模糊評估與層次分析相結合的綜合評估方法;接著對網上評估系統的工作模式及其體系結構進行探討,並應用相關的理論、技術,如數據庫理論、動態網頁技術asp 、和基於asp的web數據庫訪問技術等,開發了一個基於計算機網路的高等教育評估系統。By integrating gis, social and economic statistical and field investigating data, taking wudinghe river watershed as the case study area, we discussed the driving mechanisms for the watershed land use change and the relationship between land use spatial distribution pattern and soil erosion at different scales. the results as follows : 1
本文以無定河流域為典型研究地區,藉助地理信息系統( gis )技術,結合社會經濟統計資料和實地調查的數據,探討無定河流域土地利用變化的驅動機制和流域內不同尺度土地利用類型空間分佈格局與水土流失的關系,初步結論如下: 1Then in allusion to biased momentum wheel system, based on classical control system a pid controller was design about pitching channel. according to specialty of roll - yawing channel, this paper discuss long - time cycle movement and short - time cycle movement. when design the control method of long - time cycle movement, whiff thruster is used to assistant the control system. when design the control method of short - time cycle movemen, in order to sovle the problem of coundn ’ t abtain the angular velocity signal, nonminimum phase controller advanced by terasaki is used
然後針對偏置動量飛輪系統,基於經典控制理論設計俯仰通道的pid控制律,根據滾動?偏航通道耦合的特點,分別討論了由軌道角頻率和章動頻率引起的長周期運動和短周期運動。其中長周期運動控制律設計時,結合了噴氣推力控制來輔助偏置動量控制;短周期運動控制中,為了解決不能獲得角速度信號的問題,採用terasaki提出的非最小相位控制器進行控制。There are mainly two type of algorithms used for spatial spectrum estimation : one is those based on bayesian maximum likelihood method, like the ml ( maximum likelihood ) algorithm, maximum entropy method and etc., the others are based on the spatial decomposition or projection of correlation matrix, this kind of algorithm include vector characterization method, music ( multiple signal classification ) algorithm, projection matrix method, etc. music is a classical spatial spectrum estimation algorithm that has a super high resolution and is widely used today, however, it cannot estimate doa of signals that are correlated
空間譜估計的演算法大致分兩大類:一是基於極大似然估計和最大后驗概率估計統計理論的演算法,包括:極大似然估計法( ml ) 、最大熵法等;另一類是基於對協方差矩陣進行子空間分解或投影的演算法,包括:矢量特徵法、多重信號分類法( music ) 、投影矩陣法等。其中, music法是一種經典的空間譜估計主流演算法,具有超強的分辨性能,但它無法實現對相干信號進行測向分辨。With the development of educational measurement theory and computer network technology, there are some underlying changes in educational examination system in china, from traditional fixed testing based on classical test theory ( ctt ) to computerized adaptive testing ( cat ) based on item response theory ( irt )
隨著教育測量理論和計算機網路技術的發展,中國的教育考試也正在發生著悄悄的變化,由傳統的基於經典測驗理論( ctt )的固定題目、同一試卷的考試向基於項目反應理論( irt )的計算機化自適應測試( cat )的方向轉軌。My paper, firstly builds up a logic framework in the research, that is element mechanism, concept foundation ( avs ) and theory foundation. on elements mechanism layer, the paper not only extracts three key elements, that is host, information and environment, combined with other elements, but also builds up a model of element agreement and constructs appraisal process systematical structure as well as control flow chart. on concept foundation layers, the paper
按照這一邏輯層次,本文在要素機理層面,提取評估主體、信息、環境三大關鍵要素,結合其他要素構築要素耦合圖,並依此構造資產評估的過程系統結構圖與控制流程圖;在概念層面,確立資產評估價值標準( avs )這一核心概念的內涵( fmv ) ;在理論基礎層面,首先澄清了資產評估的會計理論基礎,然後依次(第三章與第四章)介紹了基於新古典經濟學與博弈論的資產評估機理的特點。This methodology avoids the operation of mathematical programming in traditional method of shakedown analysis and therefore obstruction due to large scale mathematical programming is overcome. the method for constructing a residual stress field based on the elasto - plastic analysis for soil structures do not need the linearization of the yield condition. the accuracy of numerical solution depends on elasto - plastic analysis
鑒于以上原因,本文深入、系統地研究了結構安定性分析的數值理論和計算方法,在此基礎上,基於經典安定理論建立了安定性分析的數值計算方法,並將其運用到巖土工程中地基的靜、動力穩定性評價中。In the 70s, geostatistics was introduced into soil science field, which overcame the problem of using classical fisher statistics theory to study the rules of soil properties, based on the regionalized variable theory
70年代,地統計學方法被引入土壤科學研究領域,克服了應用經典的fisher統計理論在研究土壤性質空間變異性規律方面的不足,其理論依據是區域化變量理論。Besides it can release teachers from burdensome work as test papers organization, marks determinant and result analysis, etc. in now a days, technology of computer - based test are widely used in many kinds of diploma tests, post and rank tests, certificate tests. computer adaptive test ( cat ) bases on item response theory ( irt ) arose in the middle of 1980 ' s. cat is brought forward to dispel the limitation of classical test theory
八十年代中期興起的基於項目反應理論( irtitemresponsetheory )的計算機自適應考試( catcomputeradaptivetest )系統是針對經典測量理論( ctt )的局限性提出來的,能針對不同的考生的答題情況合理選擇後面的出題, 「因材施考」 。On the basis of the interrelated theories about the science of earth information, karst environment, as well as social and economic statistics, and with the support of the technology of remote sensing and geographical information system, the paper takes guizhou area as the example to make a analysis on the spatial patterns, the process and the evolution mechanism, and the driving factors of the rock desertification. meanwhile, to study of karst rock desertification, this paper makes a contrastive analysis of such special subjects as the ways of drawing information of rock desertification in the typical areas with plateau - gorge structure, the patterns and changes on the landscape ecology of rock desertification and the remote sensing monitoring on the ecological returns of controlling project
根據地球信息科學、喀斯特環境學、社會經濟統計學等相關學科理論,在遙感和地理信息系統技術的支撐下,分析和探討了貴州喀斯特石漠化的空間分佈格局、發育演化機制和驅動因子,並進行了高原?峽谷二元地域結構單元中典型樣區的石漠化信息提取方法、石漠化景觀生態格局及其變化和治理工程的生態效益遙感監測等專題內容對比分析,多尺度地開展喀斯特石漠化問題的研究。According to the models mentioned above, this paper lays emphasis on accounting the method of analyzing and designing the cruise aircraft ' s control system adopting the classical control theory, and then calculates the parameters of it
根據以上建立的模型,本文重點論述了採用經典控制理論分析此巡航式飛行器控制系統的方法,並計算出此巡航式飛行器飛行控制系統的參數。Summarize the theories, research methods and developing history of economic early warning. discuss the warning nature of usual early warning system including classical and new warning system and establish the frame pattern of warning system. analyze the basic theory and character of statistic learning theory ( slt ) and svm
對經濟預警的理論、研究方法和發展歷史進行了回顧和綜述;詳細討論了傳統預警系統的預警本質,包括經典預警理論和新預警理論及其預警系統,建立了預警系統框架範式;深入分析了統計學習理論和支持向量機的基本理論和特點。分享友人