相似特性法 的英文怎麼說
中文拼音 [xiāngsìtèxìngfǎ]
相似特性法
英文
similitude method- 相 : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
- 特 : Ⅰ形容詞(特殊; 超出一般) particular; special; exceptional; unusual Ⅱ副詞1 (特別) especially; v...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 法 : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
- 相似 : 1. (相像) resemble; be similar; be alike 2. (相像處; 類似物) similarity; similitude; analogue
- 特性 : characteristic(s); character; performance; features; properties; behaviour; response; character...
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Be consistent in grammar and punctuation. the rules ofgrammarand punctuation you learned may differ from others, but youhadbetter be consistent in your use of them. be aware of suchthings aswhere you put ending quote marks, whether you placecommas afteryears and states, and similar variationsinstyle
在文法和標點符號上保持一致。你所學的文法和標點用法可能和別人學的不一樣,但你最好在使用上保持一致。要特別注意句末的引號、時間和地點之後的逗號以及文風的相似性。And understanding and studying the spectral features and variation rules of geo - targets in the experimental area, raising that it is the basis of geo - targets information collection with imaging spectrometer data to understand spectral features and variation rules of geo - targets, realizing that in a great extent spectral - integrated - form - based classification method can remove the phenomenon of " different spectrum with same objects " resulted from reflection ratio curve translation because of the angle change among sensor, targets and observation direction, and the average and variance images can be introduced to solve the problem of two kinds of geo - target with similar spectral forms and much different values of whole reflection ratio. it is suggested that " red edge " range bands of vegetation, which has close relationship with vegetation cover and biomass, is the main characteristic bands and important basis for careful vegetation classification and quantitative retrieval, and pixel - based derivative spectral analysis is very useful for removing the effects of soil background values and quantitatively retrieving vegetation biomass and cover. the remote sense quantitative retrieval model is developed for main appraisable factors of desertification monitoring assessment with imaging spectrometer data and then the applicability of model is analyzed
研究結果如下:首先針對荒漠化地區的地物特徵,對高光譜數據不同波段的數據質量、波段組合進行了評價,提出了適用於荒漠化監測的基本波段選擇集;初步了解和掌握了研究地區的地物光譜特性及變異規律,進一步明確了掌握地物光譜特徵和變異規律是用成像光譜儀數據提取地物信息的基礎;發現了基於光譜整體形狀的分類方法在很大程度上能夠消除由於傳感器、地物目標觀測方向之間的角度變化引起的反射率曲線整體平移的「同物異譜」現象,對于譜形相似而整體反射率的值相差較大的兩類地物,通過引入均值和方差圖像參與分類得到解決;研究還表明在植被「紅邊」范圍內的波段是進行荒漠化監測的主要特徵波段,這些波段與植被生物量和蓋度都有密切的關系,是開展精細植被分類研究和植被定量反演的重要基礎;像元的導數光譜分析可以消除土壤背景的影響,是進行植被生物量和蓋度定量反演的有力工具;建立了荒漠化監測主要評價因子的定量反演模型,並分析了模型的適用性。Three methods, namely, community species composition similarity analysis, community composition similarity analysis, and community characteristic similarity analysis, were employed to study the similarity of insect pest - natural enemy communities of three rice types ( early rice, middle - season rice and late rice ) and their three development stages ( tilling stage, boot stage and milk stage ) in the yangtze - huaihe region of anhui province
摘要採用群落種組成相似性分析、群落組成相似性分析和群落特徵相似性分析3種方法,研究了安徽江淮地區早稻、中稻、晚稻3種稻型及分蘗、孕穗、乳熟3個生育期害蟲天敵群落的相似性。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The work of the paper mainly includes : ( 1 ) present a model for measuring the similarity between two hydrological time series. in this model, we adopt an intuitive dimensionality reduction technique for hydrological time series which is called piecewise average approximation ( paa )
主要工作包括: ( 1 )提出了適合水文時間序列數據特點的相似性模型,採用簡單直觀的等時間間隔序列分段平均值技術( paa )作為水文時間序列降維方法。Therefore, we use pgm grouping road candidates to line segments and delineating segments instead of candidates. a new approach is proposed to cut off the huge computation of pgm by making a prejudgment using direction attribute of candidates
相位編組方法能夠將相鄰的且屬性相似的單元進行編組,所以,文中利用了相位編組的方法將基元組織為線段,並對得到的線段進行特徵描述。In particular, the stability for riesz basis, bessclian frame, riesz frame is provable if they are acted by a invertible opetator respectively
特別, riesz基、 besselian框架、 riesz框架,投影法可行框架在相似意義下具有穩定性第三節研究含riesz基框架的攝動These researches will help us to discover changing or developing principle of things, support to decision - making, etc. the thesis addresses several key technical problems of pattern mining and its search based similarity in time series, which covers feature patterns and relationship patterns mining, pattern search based similarity in time series and stream time series and issues concerning application system implementation oriented to analysis. major contributions of this thesis include : 1. research of mining feature patterns in time series a novel method is proposed to discovery frequent pattern from time series
本文在分析時間序列特點和實際應用需求的基礎上,針對時間序列的挖掘與相似性查找一些關鍵技術進行了研究,具體包括特徵模式挖掘、多序列關聯模式挖掘、相似性模式查找等方面,所做的工作和取得的創新成果體現在以下三個方面: 1 )時間序列特徵模式挖掘研究首次提出了一種基於互關聯后繼樹模型的時序特徵模式挖掘方法。These researches will help us to discover changing or developing principle of things, support to decision - making, etc. the thesis addresses several key technical problems of pattern mining and its search based similarity in time series, which covers feature patterns and relationship patterns mining, pattern search based on similarity in time series and stream time series and issues concerning application system implementation oriented to analysis. major contributions of this thesis include : 1. research of mining feature patterns in time series a novel method is proposed to discovery frequent pattern from time series
本文在分析時間序列特點和實際應用需求的基礎上,針對時間序列的挖掘與相似性查找一些關鍵技術進行了研究,具體包括特徵模式挖掘、多序列關聯模式挖掘、相似性模式查找,在線相似性查找以及最終的分析應用系統開發等方面,所做的工作和取得的創新成果體現在以下五個方面: 1 )時間序列特徵模式挖掘研究首次提出了一種基於互關聯后繼樹模型的時序特徵模式挖掘方法。A stereo matching approach based on edge feature is proposed. the procedure of the correspondence is fulfilled through the edge - detection, the similarity check and the consistence check. rebuild 3d image for disperse data and achieve depth information
提出基於邊緣特徵的立體匹配方法,通過邊緣檢測、相似性檢驗和相容性檢驗完成了匹配的全過程,並對得到的離散數據進行了三維重建,恢復深度信息。In the preprocessing stage the method of user and session identification often adopt heuristic algorithm for the being of cache and agent. this induce the uncertainty of data resource. the cppc algorithm avoid the limitation and has no use for complicated hash data structure. in this algorithm, by constructing a userld - url revelant matrix similar customer groups are discovered by measuring similarity between column vectors and relevant web pages are obtained by measuring similarity between row vectors ; frequent access paths can also be discovered by further processing of the latter. experiments show the effectiveness of the algorithm. in the fourth part, this thesis bring some key techniques of data mining into web usage mining, combine the characteristic of relation database design and implement a web usage mining system wlgms with function of visible. lt can provide the user with decision support, and has good practicability
本文演算法避免了這個缺陷,且不需要復雜的hash數據結構,通過構造一個userid - uel關聯矩陣,對列向量進行相似性分析得到相似客戶群體,對行向量進行相似性度量獲得相關web頁面,對後者再進一步處理得到頻繁訪問路徑。實驗結果表明了演算法的有效性。第四是本文將傳統數據挖掘過程中的各種關鍵技術,引入到對web使用信息的挖掘活動中,結合關系數據庫的特點設計並實現了一個具有可廣西人學頎士學位論義視化功能的web使用挖掘系統wlgms 。In this paper, we propose the chord - distribution - based image description, and research the image retrieval algorithm based on this description. the main work of the paper consists of two part that are the feature description about image and the algorithm of image retrieval. in the first part, we propose the definition of region - chord, the presentation of chord - distribution, and describle image after analyzing the properties of chord - distribution. in the second part, after partitioning image and counting region - chord - distribution, we analyse the forground and background of image to each region and propose the criterion of the similarity of images
論文的主要工作由圖象特徵描述和圖象檢索演算法兩部分組成。在圖象特徵描述部分,我們給出了區域弦的定義和區域弦分佈的表示,分析了弦分佈的性質,並在此基礎上進行了圖象特徵描述。在圖象檢索演算法部分,本文首先作了圖象區域劃分、區域弦分佈的計算;其次對區域作了前景、背景分析並給出了圖象間的相似性度量。Chapter2 is aim at estabilishing a suit of effective methods for wind effect analysises, including the mechanical model, the analytical approach, the experimental technique and the application of experimental results to real tall buildings, which are not only applicable for all the types of high - rise buildings without the limitations in the previous theories, but also conductive to further investigation of the wind - resistant capabilities and dynamic behaviours
在前人研究的基礎上本文進一步完善了高層建築的抗風理論。第三章系統地討論了大氣邊界層的風洞模擬問題。對大氣邊界層內風的一些特性以及大氣邊界層模擬中的相似準則進行了闡述,對模擬的設備和方法進行了說明。Aiming at matching searching of customer demand in product configuration design of case - based reasoning, the conception of the entities, the entity, the attribute, the primary attribute set, the similar element etc. were introduced, and the similarity calculation model based on entity attribute was established ; the mapping relationship of customer demands and the product structure cellular feature during the process of product configuration was studied, and the calculation flow of similarity was put forward ; the type, range and weighting of attribute were analyzed, the calculation method of property similarity and formula of entity similarity were advanced
摘要針對基於實例推理的產品配置設計中客戶需求匹配搜索的問題,引入了實體集、實體、屬性、主屬性集、相似元等概念,建立了基於實體屬性的相似度計算模型;研究了產品配置過程中客戶需求與產品結構單元特徵之間的映射關系,提出了相似度的計算流程;分析了屬性的類型、值域和權重,提出了屬性相似度的計算方法和實體相似度的計算公式。The euclidean distance is usually chosen as the similarity measure in the conventional k - means clustering algorithm, which usually relates to all attributes
傳統的k -均值演算法選擇的相似性度量通常是歐幾里德距離的倒數,這種距離通常涉及所有的特徵。At present the fractal based applications in image domain are approximately classified into two categories : according to the characteristic of self - similar of fractal, people imitate and compress the natural image using mapping transformation method. this is one category. the other is according to the features of fractal and fractal dimension, people set up image models, investigate the main geometric features of the images and process them effectively
目前分形在圖像中的應用大致可以概括為兩類:一類是利用分形的自相似特性,採用映射變換的方法對自然界景物進行模擬,對圖像進行壓縮編碼;另一類是根據分形及分數維的特徵參量來建立模型,通過對模型參數的研究,有效地進行圖像分析和處理。The similar characteristics between the virtual prototype of light arms system and the physical prototype was qualitatively analyzed, the calculation of degree of similarity for virtual prototype and physical prototype was presented, in which the objective value assignment method was adopted while determining the weight
定性分析了輕武器系統虛擬樣機和物理樣機的相似特徵,定量給出了虛擬樣機和物理樣機相似度的計算,其中確定權重時採用了客觀賦值的方法。This paper put forth two routes that can settle the question of part process comparability. verdict process comparability according to like parts character, the one is to be considered that the like parts have comparable manufacture method and process regulations
為解決上述問題,本文提出解決capp中零件工藝相似性的兩條途徑,一種途徑是認為具有相似特徵的零件具有相似的加工方法和工藝規程,依據零件的特徵來判定零件工藝的相似性。According to the characteristics of uwb standard channel models, we propose the concept of “ composite lognormal random variables ( rvs ) ”. based on this new concept, a new and precise approach is proposed to approximate the statistical distribution of lognormal rvs ’ sum, which places no restriction on the distributional parameters and correlation between the two branches. then, we
在此基礎上,提出了一種新的對對數正態隨機變量和的統計特性進行近似的方法,該方法對變量的分佈參數和變量間的相關特性沒有任何限制,且精度較已有方法有了進一步的提高。The establishment of diagnosis model about gear fault the history fault data of gear case is analysed by clustering supplied by analysis services of microsoft sql server 2000, and the data which has the same property and fault type is classified as a group. traversing 8 property and outcome of this cluster obtained can get a rule. rules whose degree of support or belief doesn ’ t meet the demand are deleted and the diagnosis model is established from the rest rules
2 .齒輪故障診斷模型的建立利用sqlserver2000中analysisservices提供的聚類法,對齒輪箱歷史故障數據進行挖掘,將具有相似屬性特徵且故障類型一致的數據分成同一組,得到一個聚類,遍歷這個聚類的8個屬性至結論得到一條診斷規則,濾掉支持度和可信度不滿足要求的規則,最後由所有規則建立診斷模型。分享友人