相似變量 的英文怎麼說
中文拼音 [xiāngsìbiànliáng]
相似變量
英文
similarity variable-
All these rocks aforementioned are mainly parametamorphic rocks. milan, kaqiang and alamasi group underwent high - grade metamorphism of amphibolite facies, together with weak migmatism. they share the same geochemistry and total ree and many other chracters
二者主要為副變質巖石,米蘭巖群和卡羌巖群、阿拉瑪斯巖群變質較深為角閃巖相,普遍弱混合巖化,它們具有非常相似的地球化學特徵,稀土元素總量及其它特點一致或相近。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。Results show that the spatial distribution of the precipitation of the west is very uneven and obviously different in every quarter ; the characteristics of precipitation is droughty and less - rain in almost all part in winter. plentiful in summer, spring and autumn are transition phases, rainfall of autumn is more than that of spring in the most of region ; relative variability of each season rainfall is bigger than that of year, the variability is biggest in winter, but smallest in summer. alike between spring and autnmn and comprative in numerical value ; the area of least precipitation is in talimu basin and the northwest of chaidamubasin, not in the northwest of china
研究發現:西部地區年降水量的空間分佈極不均勻,局地差異大;冬季絕大部分地區乾旱少雨,夏季雨量豐沛,春秋季是過渡階段,大部分地區秋雨多於春雨;各季降水量的相對變率大於年變率,夏季最小,冬季最大,春秋兩季相似,數值上與冬季相差無幾;我國雨量最少的地區位於柴達木盆地西北部和塔里木盆地,並不在我國的最西北角。In this way, the self - similar multi - fractal property of the hadronic system produced in z0 ( ) decay is strictly confirmed and the corresponding fractal dimensions and levy index are obtained in the first time using the high statistics data from the l3 experiment at lep
這樣就精確地驗證了在z ~ o衰變能量下的e ~ + e ~ -對撞末態強子系統是多重自相似分形,並首次用實驗測出了相應的分形維數與l vy指數。As an application of this fem preprocessing system, the simulation on the welding process of missile ’ s oil box was performed, in which the effects of the welding sequences of four web plates and welds on each web plate are primarily analyzed. the simulation results show that the deformations under varied welding sequences are almost the same. downward deflection deformation is obtained along the weld longitudinal direction in the structure as well as upward deflection deformation along the weld traverse direction
對于某型號導彈油箱結構焊接過程的數值模擬計算,主要考察了每塊立板上各段焊縫焊接順序的調整、四塊立板之間不同的焊接順序以及焊接起始端的選擇對結構焊后變形的影響規律,模擬結果表明:壁板在各種焊接順序下的整體變形規律基本相似,即焊後壁板沿焊縫縱向發生了向下的撓曲變形,中部向下變形量最大;沿焊縫橫向發生了向上的撓曲變形,壁板兩端部變形量較大,且壁板前端變形大於壁板後端。Paniculate organic carbon ( poc ) content of zhujiang river is lower than that of other rivers in the world. among the three branches, the content in xijiang river is the highest, then the dongjiang river, and then the beijiang river. the runoff of zhujiang river has very great seasonal change
珠江流量存在很大的季節變化,汛期擁有超過60的年度總徑流量, doc和poc在高流量時驟增, doc含量增加約20 - 90 ,而poc含量最大則可能增加6倍,與山區河流的特徵相似。After traditional computer network theory and technique has come through a few years of development and change, it has been more and more unconformable to today and future network application development. when face the problem of high outburst and self - similarity of the network flow, complexity and controllability of the cosmically network system, dependability of the network, it has been more and more disability
傳統的計算機網路理論和技術在經歷了幾十年的發展變化之後,已經越來越不能適應今天和未來網路應用發展的要求,在面臨網路流量的高突發性和自相似性、大規模網路系統的復雜性和可控性、網路可信性等問題面前顯得越來越無力。It is shown that paraffin can be uniformly absorbed into the pore network of expanded graphite, that expanded graphite remains its vermiform structure in pcms, that the phase - change temperatures of composite pcms are similar to that of paraffin, and that the latent heat of composite pcms is are based on the mass fraction of paraffin in the composite materials
結果表明:膨脹石墨吸附石蠟后仍然保持了原來疏鬆多孔的蠕蟲狀形態,石蠟被膨脹石墨微孔所吸附;復合相變儲熱材料的相變溫度與石蠟相似,其相變潛熱與基於復合材料中石蠟含量的潛熱計算值相當。Conclusions ( 1 ) subacute senile mouse model can be used in immunosenesence reseach. ( 2 ) cd 137 may be an marker of aging. ( 3 ) the protection to aicd of cd137 decreased, indicate the function of cd137 was unusual. ( 4 ) the effect of d - galactose can modelling the different stage of aging. ( 5 ) the decrease of cd 137 expression on t cell from subacute senile mouse model and the aging mouse were due to the declining of their mrna. ( 6 ) the expression of cd 137 on t cells from from subacute senile mouse model and the aging mouse have a time dependently derease and the peak of cd 137 expression appeared earlier while the aging keep going on
結論( 1 ) d -半乳糖致亞急性衰老小鼠模型t細胞cd137分子表達變化規律與自然衰老小鼠相似,造模兩個月後的大劑量組小鼠即可用於衰老個體cd137分子的相關研究。 ( 2 )模型小鼠cd137分子表達隨衰老的發生發展呈規律性變化,提示該分子可能為t細胞衰老的分子標志。 ( 3 )即使在衰老狀態下,機體對cd137分于的表達依然具有調控作用,提示兔疫系統的代償能力仍然存在。It shows that the content of chlorophyll - a, soluble carbohydrate and sod is low whe n the ion concentration is higher
葉綠素含量和sod的含量也有相似的變化。這是由於在重金屬的作用下。12 orrite c, blecua s, herrero j e. shape matching of partially occluded curves invariant under projective transformation. computer vision and image understanding, 2004, 93 : 34 - 64
此外,匹配的特徵相似性度量結合了非均勻有理b樣條的畸變估計和局部的圖形窗口交叉相關性,從而融合了幾何結構和圖像灰度的相似性。The crystallization and melting behavior of mellocene - catalized branched and linear polyethylenes of low molecular weight was studied. it was found that the crystalline lattice of branched polyethylene is larger than that of linear polyethylene because of the existence of branched chains. the melting behavior of branched polyethylene is similar to that of linear polyethylene since the branched chains can not enter the lattice. however, the crystalline behavior of low molecular weight branched polyethylene is the same as that of high molecular weight linear polyethylene, but different with that of low molecular weigh linear polyethylene. kinetics theory analysis evidenced that the transition temperature of growth regime of the branched polyethylene is about 20 lower than that of linear polyethylene with the same molecular weight. it may be attributed to the existence of short branched chains
研究了金屬茂催化的低分子量支化聚乙烯和線性聚乙烯的結晶及熔融行為,發現支化聚乙烯的結構與線性聚乙烯相同為正交結構,但晶格略有膨脹.支鏈的存在對熔融行為影響不大,兩種聚乙烯的熔點均隨結晶溫度的升高而非線性增加,表現出低分子量樣品的共同特徵.但支鏈的存在對結晶行為卻有很大的影響,主要是由於支鏈的存在降低了晶體的結晶速率從而影響結晶過程,使得低分子量的支化聚乙烯的結晶行為與高分子量線性聚乙烯的結晶行為相似而與低分子量的線性聚乙烯不同.動力學分析表明,低分子量的支化聚乙烯的結晶生長方式的轉變溫度比同等分子量的線性聚乙烯降低了約20When studying the network performance, flow control and resource provisioning of communication networks, traffic model plays a very important role. the recent studies show that the date network traffic is self - similar, so the markovian model, which describes telephone networks accurately, is not suitable for date networks. the self - similarity of the network traffic has severe impact on flow control and queuing analysis in date networks, therefore it has received significant attention. in this paper, g m 1 queuing model is used to analyze the queuing performance of generic variable length packet networks for the first time. the self - similar traffic is generated by multiplexing a large set of independent pareto heavy - tailed interarrival on off sources. the simulation results show that the heavy - tailed traffic results in queuing performance deterioration for variable length packet networks, which is in accordance with the analytical results for atm switches
業務量的自相似特徵顯著影響網路的流量控制與排隊分析,已經引起人們的極大重視。採用g m 1排隊模型對分組長度可變的網路的排隊性能進行了分析和模擬,其中自相似業務量是通過疊加大量獨立的到達間隔為pareto重尾分佈的on off源來生成的。模擬結果表明,自相似業務量導致網路的排隊性能劣化,這與有關文獻對atm交換的分析結果一致。The approximation order is increased by adding the factor number in the factorization of mask of multi - scaling vector with tst, and symmetry, short support of multi - scaling vector are maintained simultaneously
利用雙尺度相似變換增加其掩模分解中的因子個數以提高尺度向量的逼近階,同時保持尺度向量的緊支性和對稱性。The result of a case studying shows that the settlement calculated by large strain consolidation theory is large than that by infinite strain theory during the consolidation procession, but the final settlements calculated by both theories are same. more general assumptions than that in the classical consolidation theory is adopted and the exact analytical solution of nonlinear finite strain self - weight consolidation based on this assumption is obtained. by applying same experiment data, the comparison of the solutions of linear and nonlinear finite strain theory, as well as the numerical solution from finite element method is presented
對此模型求得到了某些特殊條件下的lagrange級數解答,並通過尾礦沉降池實例分析,驗證了所得解答的合理性和有效性;建立了土體在堆積過程中的大應變固結模型,通過其對稱性構造出相似變量之後,由攝動法求得了近似解析解答,並通過試驗數據與傳統的線性化固結理論的解答相比較,顯示了傳統線性化固結理論在該問題上的局限性。Then choosing suitable transform matrix, and applying tst to it, the satisfactory approximation order of the multi - scaling vector was achieved
選擇適當的變換矩陣,對尺度向量進行雙尺度相似變換,可以使其具有滿意的逼近階。The biorthogonal multi - scaling vector with higher approximation order was constructed using tst
利用雙尺度相似變換構造了高逼近階的雙正交尺度向量。The tst was applied to multi - scaling vector to increase it ' s approximation order, and with pr condition, the dual of transformed multi - scaling vector was obtained. then the special tst was taken for this dual, the dual of original multi - scaling vector with higher approximation order obtained, finally the multi - wavelet function with higher vanishing moment maybe constructed
我們先對已知的尺度向量進行雙尺度相似變換,以提高其逼近階,再求出變換后的尺度向量的對偶,對這個對偶再進行特定的雙尺度相似變換,就可得到原尺度向量的有高逼近階的對偶,從而可能得到具有高階消失矩的多小波函數。This algorithm uses improved euclidean distance as similar measurement, and then evaluates the similar distance between steam time series and feature time series in a batch mode using fast fourier transform
該演算法利用改進的歐氏距離作為模式的相似度量方式,然後利用快速傅立葉變換,實現動態序列與各指定模式的批處理相似性計算。However, the rigid bed models are also limited by several shortcomings, such as the large quantity, the long period, and the high costs. moreover, the resistance similarity, the distorted ratio, and the model scale are also with problems
但定床模型試驗除有工程量大、周期長、費用高等局限外,還存在阻力相似、變態率和模型比尺的限制等問題,因此有必要進行深入細致的研究。分享友人