數據不相關性 的英文怎麼說

中文拼音 [shǔxiāngguānxìng]
數據不相關性 英文
data independence
  • : 數副詞(屢次) frequently; repeatedly
  • : 據Ⅰ動詞1 (占據) occupy; seize 2 (憑借; 依靠) rely on; depend on Ⅱ介詞(按照; 依據) according...
  • : 名詞[書面語] (剁物所用的木墩) a block of wood
  • : 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...
  • : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
  • : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
  • 數據 : data; record; information
  • 相關性 : a ociation
  • 相關 : be interrelated; be related to; be bound up with; correlation; dependence; relevance; mutuality
  1. 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,對高光譜同波段的質量、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,對于譜形似而整體反射率的值差較大的兩類地物,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
  2. Feature selection, as a preprocessing step to data mining, is effective in reducing dimensionality, removing irrelevant data, increasing learning accuracy, and improving result comprehensibility

    選擇作為挖掘過程中的一個重要步驟可以有效地降低特徵維度,去除,提高模型準確率以及增加模型的可解釋程度。
  3. The article investigates shanghai list companies from 1998 year to 2002 year ' s data, and gets two models by the methods of correlation and step - wise regression. by comparing two models " s response to good and bad earnings announcement in the difference level of market, the conclusion of this article is : ( 1 ) the price response to bad and good earnings announcement is asymmetry ; ( 2 ) the price response to bad and good earnings announcement changes as the relative level of the market changes ; ( 3 ) the notion that as the market rises, the asymmetry in the response to good and bad news becomes relatively more pronounced for glamour stocks is not applied to our security market

    通過對1998年至2002年所有滬市上市公司五年的進行實證分析,運用分析、多元逐步回歸等方法,得到兩個多元回歸模型,對比兩個模型在同市場狀態下的反應,得到了以下結論: ( 1 )市場在年報好壞盈餘信息的公布情況方面反應是對稱的; ( 2 )市場對好壞盈利信息反應的對稱的程度主要依賴于整個市場所處的狀態; ( 3 )隨著市場斷好轉,魅力股對壞盈利信息的反應並沒有變得更強烈,同時對好壞盈利信息的反應差別也大。
  4. Correlation analysis of landsat tm data and its derived data, meteorological data and topographic data with the biomass of different aged tropical forests

    同齡組的熱帶森林植被生物量與遙感地學之間的分析
  5. Influence of pertinence of physical parameters on uncertainty of experimental data

    狀態參量對實驗確定度的影響
  6. The paper concludes that the changing rate of ndvi of rain forest in tropic is the smallest, the changing curve is smooth, while the changing rate of ndvi of the deciduous broad leaf forest in warm - temperate zone is the largest the change of ndvi is the most conspicuous in winter and spring ( especially in april ) while is not conspicuous in summer and autumn by analyzing the change of ndvi along latitude using the ndvi value of different vegetation types along the same longitude. the vegetation index from warm temperate zone to semitropical zone has obvious transition, while other areas have no distinct change by analyzing the change of ndvi from temperate zone to semitropical zone to tropical zone using ndvi averagejn the same time it is concluded that the sink value in the beginning of the year 1995 is from the influence of the monsoon in east of china by analyzing the ndvi curve of several typical needle leaf forests. the relation between ndvi value and temperature is conspicuous while the relation of precipitation is less or not by analyzing the relation between ndvi and temperature and precipitation finally it can get the conclusion that the change of river area is the smallest, the change of sienna area is the greatest by analyzing two phases of tm data in 1987 and 1997 with rs technic

    利用從同一經度的同森林類型ndvi值分析,沿緯度方向ndvi變化可得出, ndvi在冬春季變化最明顯(尤其是在4月份最大) ,而在夏季和秋季變化明顯。利用ndvi均值進行分析,從暖溫帶到亞熱帶到熱帶的變化情況發現,從暖溫帶到亞熱帶ndvi指形成明顯的階躍,而其它區域沒有太大的變化,同時對幾種典型的針葉林曲線分析可知其年初的凹值源自於我國東部季風的影響。利用ndvi分析其與月均溫度與降水的得出與溫度較為顯著,而與降水顯著或無
  7. If we splice it simply by " cut and copy ", the status flag may be lost, so the decoder cannot decode and display the bitstream correctly. this paper disscuss all the problem about mpeg - 2 bitstream splicing

    如果通過簡單的拷貝、粘貼來完成mpeg - 2碼流的拼接工作就會使拼接點前後或狀態信息丟失而造成拼接后碼流能正確解碼。
  8. By using serial correlation test and cross - section test through the data of the share companies that were listed in shanghai stock exchange before 16th oct 1998, the size effects in china stock market was tested in the period from 16th oct 1998 to 26th oct 2001. all the share companies which in total 373 were grouped into 11 according to four different criterions. these four different criterions were total circulating captal stocks, total circulating market value, total capital stocks, total value of a share company. through the correlation test between the abnormal return rate and the size of the group, no size effect was found through the size criterion of the total value and the total circulating value except only one period

    運用序列我國股票市場的小公司效應進行實證檢驗,所採用的樣本是在1998年10月16日以前掛牌上市的373家上市公司從1998年10月16日到2001年10月26日,共150周的交易。對公司進行以規模大小分組時,分別採用了流通市值、流通股本、總市值和總股本四種同的標準進行投資超額收益率規模分析,發現以總市值和流通市值為規模標準的實證結果除個別時期內存在著小公司效應外,其它時期並存在小公司效應,而以總股本和流通股本為標準的小公司效應最為明顯;另外,小公司效應在統計區間內表現出時段
  9. Data procession and analyzing, the paper first use regression analysis model to analyze the relationship between economic benefit and land use structure, ecological benefit and land use structure. then, the paper based on the results, use mathematical of multi - objective programming to determine the land use structure in the hilly countryside of sichuan. lastly, the paper analyzed the laws of land use structure optimization in the different relevance of economic county

    本文以四川丘陵區各典型丘陵區縣為例,在土地利用結構最優思想的指導下,通過的收集、整理與分析,首先採用回歸分析的方法,分析了該區的經濟、生態效益與土地利用結構的,然後以回歸分析所得的回歸系為效益系,在同經濟發達程度的區域,各選取三個區縣,以經濟、生態效益最優為目標,以社會條件為約束條件,建立多目標規劃模型,得出該區縣的土地利用優化結構。
  10. Besides, relativity analyses is introduced in the process of data pretreatment in this thesis, thereby canceled the disrelated attribute of data mining assignment, reduced lots of data sets and improves the accuracy and efficiency of rules mined

    分析引入預處理過程,從而去除與挖掘任務的屬,減少了集,提高了挖掘規則精度。
  11. A integrated algorithm of ambiguity resolution is proposed. by using triple carrier phase, integer gauss transformations, qr factorization, cholesky factorization, and geometry constraint, the correlation between ambiguity components is reduced, and more error ambiguity can be discarded, also process of ambiguity searching getting rapidly. the ratio test combining constraint of baseline is used to fix ambiguity rapidly

    利用三差最小二乘求解模糊度浮點解,然後採用整高斯變換降低模糊度分量間的,再根qr分解和基線幾何約束減少需搜索的模糊度組合,採用cholesky分解在搜索過程中及早淘汰正確的模糊度組合,最後利用ratio檢驗與基線幾何約束條件結合檢驗模糊度組合,盡快固定正確的模糊度。
  12. Ontology captures a certain view of the world, supports intensional queries regarding the content of a database, and reflects the relevance of data by providing a declarative description of semantic information independent of the data representation. there is great variation among both the level of detail and logic of different ontology representations

    本體是對領域知識的一種概念化描述,它反映了領域專家對該領域內知識的看法,它僅支持對其底層內容的查詢,而且通過對語義信息的聲明描述來反映之間的,這種描述並依賴于具體的組織方式。
  13. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究,得出的主要結論有:建築物震害預測是一個模糊的、系統的、復雜的問題,現有的方法很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依,有其自身的優缺點和一定的適用范圍;應針對同的建築物條件、場地條件、地震強度和已有經驗等,採用同的預測方法進行建築物震害預測,以使預測結果達到預期的精確、可靠和可操作;建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣,成為指導抗震防災的重要依,各類結構的震害情況表現為: 6度地震作用下各類建築物基本完好; 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微破壞為主; 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破壞為主; 9度地震作用下鋼筋混凝土結構以輕微破壞為主,單層工業廠房和空曠房屋以中等破壞為主,其餘建築以嚴重破壞為主;建築物的震害預測結果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越概率10的地震影響發生中等以上破壞的建築物應考慮進行抗震鑒定和加固;由建築物的破壞所造成的直接經濟損失是城市地震經濟損失的主要部分,重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有;同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增,漳州市區直接經濟損失由6度至9度的比例系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度( 7度)時,漳州市區直接經濟損失約4 . 5億元,無家可歸人員約40000人,且以磚木結構和多層磚混結構的震害損失最大;地震造成的人員傷亡主要與建築物倒塌及嚴重破壞的程度和總面積以及震時的建築物室內人密切,地震時無家可歸人員主要與住宅倒塌、嚴重破壞及中等破壞的程度和總面積以及城市人均居住面積密切
  14. Aiming at the relativity between repeated or similar samples and characteristic parameters during diagnosis of characteristic data, an effective data analysis approach for characteristic data compression from bi - direction is presented, which can reduce the burden of learning machine without losing the connotative characteristic knowledge of characteristic data

    摘要對診斷特徵中重復或似事例樣本和特徵參量之間可能針存在的,提出一種有效的特徵雙向壓縮預處理方法,該法在損失隱含的特徵知識的前提下,能有效降低學習機器的學習負擔。
  15. If relevant, then checks whether it is concurrent incremental maintainable or self - maintainable. if the update satisfies self - maintenance, our mechanism queries auxiliary views ( instead of querying iss ) to avoid network transmission and make the materialized view consistent with underlying iss. the update which needs to maintain the view concurrently and incrementally can be handled by polec

    當收到更新后, pmdvm方法首先用對其檢查,對更新直接拋棄;對更新對其進行並發增量視圖維護或自維護機制檢查,對滿足自維護的更新通過查詢輔助視圖(而是查詢源)來避兔網路傳輸和使實化視圖與底層的源保持一致,對必須進行並發增量視圖維護的更新由polec來處理。
  16. In some projects charged by our lab such as national 863 project - " crop planting management components based on weather analyse ", anhui provincial 95 key project - " agricultural meteorology disaster evaluation system base on gis in anhui province " and the project " small coal mine security management and decision system based on gis in anhui province ", this paper combines the theory and arithmetic of rough set with gis and data mining in idss, investiges the application of rough set theory to precision analysis of attribute data and logical operation in gis, analyzes the logical operation based on rough set ( logical union, logical intersection, logical complement, mixed logical operation etc. ), so that it can give a method y to research the gis attribute data and the uncertainty of attribute data after superposition operator, so as to express the roughness and illegibility of attribute data more accurately

    在完成試驗室所承擔的國家863項目「基於氣象分析的農作物種植管理軟構件」 、省95攻項目「基於gis的安徽省重大農業氣象災害測評系統」和「基於gis的安徽省小煤礦安全管理決策系統」等項目中,將粗糙集理論和演算法與gis 、智能決策系統中的知識發現等結合,對粗糙集理論在gis屬和邏輯運算精度分析中的應用情況進行了研究,分析了基於粗集的gis邏輯運算(邏輯並、邏輯交、邏輯補、混合邏輯等) ,從而為研究gis屬及其疊加運算后屬確定提供了一種方法,能比較準確地表達屬的模糊和粗糙
  17. According to the prominence it was estimated that the corrlelation of different parameters of its landscape pattern and that of its populations structure, and then the result was deeply analyzed and the relation of its landscape pattern and the structure of tree populations and their mutual adaptability was deeply discussed

    另外分別統計樹種結構參與景觀格局參之間的pearson與顯著值,依顯著值分別判斷同景觀格局參與樹種結構參之間程度,探討花港觀魚綠地景觀格局與其樹種結構之間的系及其互適宜
  18. On the basis of drawing the domestic and international achievement in research of luc and human driving forces extensively and referring to different economic development levels in chongqing, this study chooses beibei, wanzhou, youyang as the sample areas, which respectively represent for relatively developed district, less developed district, undeveloped district. this paper takes the data and relevant materials of the period from 1985 to 2000 as foundation, takes the on - site inspection as ground, takes sustainable land resource use theory and systematic dynamics theory as guide, takes many kinds of qualitative and quantitative approaches as methods

    本研究在廣泛吸取國內外土地利用變化及其人類驅動力研究成果的基礎上,結合重慶同區域經濟發展水平情況,選取了經濟較發達的北碚區、欠發達的萬州區、落後的酉陽縣為研究樣點,以1985年2000年時段的土地利用資料為研究基礎,實地調查為依;以土地資源可持續利用理論、系統動力學理論為指導,採用定與定量結合的多種研究方法進行研究。
  19. Among sequenced 16 positive clones randomly selected, two represent novel expression tag sequences, two are homologous to two unknown proteins in genbank ; the rest are homologous to known or putative proteins or enzymes with definite functions by searching the genbank through blast program, which are involved in various life activities of cell such as regulation of gene expression, plant secondary metabolism, signal transduction, adversity resistance, stress response and defense reaction. significant changes of quantities of these gene fragments were observed before and after ssh, which indicated they were enriched after ssh

    隨機挑選了16個差異表達的克隆進行序列測定,經與genbank比較分析,發現有2個新的cdna片段( ets ) ,有12序列與genbank中已知蛋白或推測蛋白質( putativeprotein )序列有高低同的同源,它們參與基因的表達調控、植物的次生代謝、信號傳導、抗逆、應激及防禦反應等細胞生命活動過程。
  20. First, the theories of the music algorithm and the esprit are presented here. conventional algorithms are limited by the array configuration, and a constructing vectors algorithm, which uses the correlative function of array data, is proposed in this paper. this algorithm is n ' t restricted within the special array configuration, and it is also very steady

    在介紹了多重信號分類( music )演算法和旋轉變技術( esprit )的基本原理后,考慮到常規的演算法都受到陣列形式的限制,本文在esprit演算法的基礎上,提出了一種利用陣元構造向量的演算法,該演算法要求特定陣列結構,且有一定的穩健
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