數據區間 的英文怎麼說
中文拼音 [shǔjùqūjiān]
數據區間
英文
data interval-
Agglomerative effectiveness : the effect on regional economical inequality because of industrial agglomeration. in order to show the effects of industry on regional inequality, the model of panel data is applied to analyze the relationship between industrialization and economy growth., which is helpful to estimate whether the tendency of growth is convergence and the structural effectiveness. the time series model is used to analyze the effect of industrial agglomeration on regional inequality, where gini coefficient is taken as the index of industrial agglomeration
為了更清楚地把握工業在地區差距上的效應，本文用面板數據模型分析工業化程度和經濟增長之間的相關關系，從而判斷區域經濟發展趨勢是否收斂，工業在「結構效應」方面的影響;計算表示工業集聚程度的基尼系數，通過時間序列模型分析工業集聚對地區經濟差距的「集聚效應」影響。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。Static mathematic model of drum accommodation and control is presented, and instruction model control strategy of sample intervals is presented based on differences between characteristic equations of lifting frame and characteristic equations of top and bottom board change among the sampling spots, the rules of this method are few, simple, easy to operate and meet controlling demands
給出了滾筒調控靜態數學模型，並根據調高機構的調控特徵方程與采樣點間頂底板變化特徵方程的差異，給出了在其采樣區間內的指令式控制策略，其方法的規則條日少、簡單易運算、符合實際控制要求。Based on field research and the dynamic analysis of remote sensing data of different time ( 1987 tm, 1996 tm and 2000 china - brazil earth resource satellite ccd ), using multi - information of research area ( including data of geology, geography, hydrology, meteorology, economy, human culture and dem ) and existing research results, the dissertation discusses drive factors of desertification and the relationships between drive factors and desertification with the help of gis tool and some mathematical methods such as probability, statistics, curvilinear estimation, logical analysis and analytic hierarchy process
論文在對研究區土地荒漠化現狀野外調研和不同時相（ 1987tm 、 1996tm和2000ccd ）遙感圖像土地荒漠化信息提取和演變分析的基礎上，結合研究區已有的多元信息基礎資料及研究成果（包括地質、地理、多時期的水文氣象、經濟、人文以及dem數據等） ，運用gis強大的空間分析功能和概率統計、曲線估計、邏輯分析、主成分分析、層次分析等數學方法綜合研究了土地荒漠化與各驅動因子之間的相關關系，揭示了研究區土地荒漠化的主要驅動因素，探討了荒漠化動態演化規律。Dealing with remote sensing data of different time ( 1987, 1996 landsat tm, and 2000 china - brazil earth resource satellite ccd ) and using the gis technology, the dissertation extracts the changing information of the desertification. the dissertation makes a dynamic remote sensing analysis on the desertification of the research region, and discusses the temporal and spatial evolving law of the desertification
在技術上主要採用了1987 、 1996年的陸地衛星tm數據以及2000年中巴資源衛星1號ccd數據三個不同時相的遙感數據進行圖像處理，並利用gis較強的空間分析功能，從中提取研究區土地沙漠化的變化信息，同時與研究區的其他信息數據進行疊加分析，探討了研究區土地沙漠化的時空演化特點。Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value
同時，由於poisson分佈的特性，我們知道不存在其參數區間長度小於0 . 5的置信區間，基於這些情況，我們主要展開了以下兩個方面的研究：一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間， wald置信區間， bayes置信區間等進行分析比較，發現了一些缺陷，針對這些缺陷，我們進行適當的修正，並得到幾種性質較好的置信區間如：修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度，我們提出了一種漸近的兩階段區間估計程序，並利用數值計算的方法，在各種置信系數與區間長度限定下，算出了最優的第一階段觀測次數（抽樣量） ，大量數據表明，本文考慮的方法性態良好，具有應用價值。In the study on the method of risk decision in project bidding based on considering emulant, according to the contents and the characteristics of risk decision in the stage of bidding, based on considering the pure risks and the speculative risks, and setting out from monomial risk, internal number and internal probability were used in describing each risk element. then, the optimization of strategies for monomial risks was done. and the computation was used to sew up the scheme, the progress, the cost and the overall risk compensation
在工程項目投標階段的風險決策方法研究中，根據投標階段風險決策的內容和特點，在考慮純風險和投機風險的基礎上，從單項風險入手，運用區間數和區間概率的性質，先描述各個風險要素，然後進行單項風險對策間的對比擇優，並將其結果對應于方案、進度、成本費用及投標報價總風險補償費的確定，最終實現承包商的風險成本最小化。Based on the representation of interval rational bezier curves and surfaces and by a serial of mathematical transformation, the degree reductions of them are converted to those of polynomials with upper bounds, then several algorithms are presented, with linear programming and optimal approximation methods. by relaxation of some constrained conditions, approximation effects of some of them are further improved
根據區間有理bezier曲線、曲面的特點，通過一系列數學變換，將其降階問題轉化為多項式的保上界降階逼近，再應用線性規劃和最優逼近方法求解，給出幾種逼近演算法，並探討通過約束不等式的鬆弛，進一步改進逼近效果。The results are the key proof for optimizing landscape pattern and carrying out the policies of regional sustainable development
研究成果為進一步分析人口的分佈格局與人口數據空間化；實現生態退耕，區域景觀格局優化以及區域可持續發展提供重要的依據。Statistical interpretation of data - interval estimation of parameter in binomial distribution
數據的統計處理和解釋二項分佈參數的區間估計A series methods of data combination analyzing are selected to form the operating method system for crop discrimination. combining gis, gps, and other data from field work with rs data can determine interpretation features and set off working regions, combining rs data can enhance spatial features in order to do unsupervised classification efficiently, union of gis data enable us to join maps and extract features, to analyze crop structure, crop calendar, cultivating system
本項研究篩選出了構成運行化作物遙感識別技術體系的一系列數據復合分析方法，包括gps 、 gis數據以及其它田間作業信息與rs數據之間的復合，確立解譯標志和劃分作業區； rs數據之間的復合，進行圖像增強，改善非監督分類效果； gis數據之間的復合，分析作業區作物結構、物候和耕作制度現狀，地圖拼接、特徵提取等。We got the spatial distribution map of population density by spatial interpolation, in which the population data are distributed on the grids. the results of the distribution of interpolated based on gis is closed to a real population distribution. the combination of the spatial interactive models and a shortest path algorithm for public transit network is analyzed by supermarket ' s accessibility based on pedestrianism and public transit. this methods may be used to investigate potential supermarket ' s locations. the quantitative analysis about the supermarket ' s market area is realized based on trade mode of lashmanan and hansen, which mainly includes spatial distribution of population, traffic accessibility and free competition between different firms
文中應用空間內插技術實現了人口數據空間分佈化，將人口數據通過空間插值分佈於研究區域內，使人口空間分佈更接近實際；應用公交最短路徑演算法及空間相互作用模型實現了基於步行和公交出行的超市可達性，將交通對超市選址的影響定量化，方便了方案的比選；在綜合考慮人口空間分佈、超市交通可達性、現有零售商業競爭態勢的基礎上，基於拉、漢購物模式實現了超市商圈定量分析。At the same time, figures involving attribute data about flow field at inlet and outlet downstream or wave motion of water at the downflow head of lock chamber of siyang navigation lock were displayed through gis application system which we developed. according to data of baoying navigation lock acquired by mathematics model, figures about velocities which have the same value, velocities toward cross direction which have the same value and flow field at inlet and outlet upstream were formed. achievement data, space information and attribute information were in connection with figure so as to search for and analysis the information, which is satisfying
同時完成了江蘇泗陽船閘下游引航道非恆定流及其改善措施的計算分析研究和寶應船閘上游引航道口門區水流條件計算分析研究，運用gis技術和所設計的gis應用系統對泗陽船閘下游引航道內流場以及下閘首水位波動情況進行信息顯示，根據對寶應船閘的計算結果生成上游引航道口門區等流速圖、橫向流速等值線圖和流場圖，使計算分析成果數據、空間信息、屬性信息與圖形顯示有機結合，便於查詢分析，效果令人滿意。The extrapolation was used in this method for improving efficiency and accuracy, and the quasi shannon interval wavelet collocation method was constructed based on the concept of interpolation wavelet transform. this method can handle the problems of complex boundary conditions and improve computation accuracy greatly
在此基礎上，根據區間插值小波的概念，構造了擬shannon區間小波配置法，數值算例表明該方法不但可以消除邊界效應，而且可大幅度提高計算精度。Combining the result with logging, exploiting information, using multiple mathematics methods such as cluster analysis, neural network, step - by - step linear regress, the paper found the relationship among seismic, logging, and exploiting information in well - control zone. moreover, we calculate fracture richness index. as a result, we can distinguish rich fracture zone from carbonate formation by fracture richness index in non - well - control zone
結合測井、開發等資料，在有井點利用聚類分析、逐步回歸、神經網路等數學手段，建立了多種地震檢測結果與測井、開發等數據之間的定性、定量關系，計算出了研究區的裂縫發育指標，從而實現對無井區的縫洞預測。Data space is either a filegroup or partition scheme
數據空間是文件組或分區方案。Allows more than one redundant copy of the database allows real - time availability and scalability across multiple databases, supporting partitioned updates
支持在多個數據庫間實現實時的可用性和可伸縮性，支持分區更新。In the dissertation such mathematical tools as investment - yield model, data enveloped analysis, fuzzy evaluation, and interval analysis method are used
本文還運用了投入產出分析方法、數據包絡分析法、模糊數學、區間數學等方法，具體研究了水資源配置中的問題，得到了相應的計算結果。Gets the number of minutes between refreshes of the cache of the policy - store data
獲取策略存儲數據區的緩存刷新間隔時間（分鐘數） 。Information technology. international standardized profile rb. relaying the connection - mode network service. definition of profile rb51. 1111, relaying the connection - mode network service betweeen csma cd lan subnetworks and psdns using virtual calls over a pstn leased line permanent access
信息技術.國際標準化數據區rb .中繼連接模式網路服務. csma cd局域網子網路和使用在pstn租賃線路永久性通路上進行虛擬呼叫的psdn之間的中繼連接模式網路服務的數據區rb51 . 1111的定義分享友人