空間利用系數 的英文怎麼說
中文拼音 [kōngjiānlìyòngxìshǔ]
空間利用系數
英文
interflectant- 空 : 空Ⅰ形容詞(不包含什麼; 裏面沒有東西或沒有內容; 不切實際的) empty; hollow; void Ⅱ名詞1 (天空) s...
- 間 : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
- 用 : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
- 系 : 系動詞(打結; 扣) tie; fasten; do up; button up
- 數 : 數副詞(屢次) frequently; repeatedly
- 空間 : space; enclosure; room; blank; interspace
- 系數 : [數學] coefficient; ratio; modulus; quotient; factor
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Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor
在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構用永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控制技術進行了詳細理論研究,提出了利用轉子位置傳感器信號間接測量電機轉速進行電機轉速閉環穩速控制的策略。Form. taxus chinensis var. mairei is protecting plant in the first class, which is a precious and endangering plant in china in this paper, the quantitative characterics of form. taxus chinensis vsr. mairei population including age structure, spatial distribution pattern, growth dynamics of tree basal area, niche characterics, fractal dimension and competition between specises were studied using methods of mathematics ecology from the angle of population ecology of form. taxus chinensis var. mairei, then the prent state and the endangering causes were analysed. this research offers gist to protecting and enlarging the crude resourse of form. taxus chinensis vsr. mairei population, afforesting plantation and sustainable utilize for us
本文從南方紅豆杉種群生態學的角度、主要應用數學生態學的方法探討南方紅豆杉種群的數量特徵,包括南方紅豆杉種群年齡結構、種群空間格局(探討分佈格局動態規律與生境相互關系) 、不同立地條件下種群優勢度增長趨勢、生態位寬度、生態位相似比例、生態位重疊、空間占據能力及種間競爭等,分析其目前現狀及瀕危原因,期望為南方紅豆杉野生資源的保護和擴大、營造人工林及可持續利用提供理論基礎,也為瀕危植物種群生態學的研究提供參考。Secondly, the artificial neural networks and mixed evolutionary computation are employed into the mathematical simulation of complex geological structure, and with gis and visualization technique, the method of geological digital 3 - d modeling and visualization is presented. so, not only the functions of making geological section and querying spatial information could be achieved, but also the spatial distribution of geological structures and their complex relationship could be described visually. thereby an interactive and convenient way for engineering geological design could be actualized
( 2 )提出了復雜地質構造數學模擬的神經網路方法與混合進化方法,並利用gis技術和可視化技術,深入研究了數字地質三維建模及其可視化方法,實現了地質三維任意剖切、信息空間查詢與管理等功能,從而為直觀描述地質構造的空間展布及其相互間的復雜空間關系,以及快捷、交互地進行工程地質設計提供了新的途徑與手段。The simulative cloud image, made from the mixing ratios of cloud liquid water, rain water, ice crystal, snow, graupel which were outputted by the mesoscale model mm5, resemble the gms satellite infrared image very well and also show the cloud evolution of typhoon winnie from tropical cyclone to extratropical cyclone after landing
利用高解析度中尺度數值模式輸出的大氣中雲水冰水雨水雪水成功地模擬出1997年登陸臺風winnie的雲系結構。模擬雲圖與氣象衛星實際觀測的臺風雲圖非常相似。由於模擬雲圖可以給出大氣中不同形態水物質的三維空間分佈,彌補了衛星只能觀測雲頂表面的不足。Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式:然後利用疊加原理,選擇合適坐標系,求解了導體球中時諧電流元的修正磁矢量位邊值問題,得到了問題的解析解;最後依據不同坐標系下電磁場解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的加法公式,將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解,給出了球內電場和球外磁場的並矢格林函數。In part two, the optical spatiotemporal pattern in ring optic cavity is investigated. using delay feedback with spatial perturbation method, the system shows roll, square, hexagon, homocentric circle, " honeycomb " and " snowflower " pattern with different spatial perturbation functions. different patterns can be coexist and compete each other with the same perturbation function, which is the new character of this optical system with delay feedback
第二部分,利用延時反饋的空間微擾方法研究了環形腔中二能級介質的光學時空斑圖的控制,在不同的微擾函數作用下,出現了滾筒狀、四方形、六角形、蜂窩狀、同心圓以及「雪花」狀等不同的斑圖,並且在相同的微擾函數下張勝海:博士學位論文出現了不同斑圖之間的競爭,這種競爭是我們發現的這一具有空間微擾的延時反饋非線性光學系統光學斑圖的新特徵。Using systematic method and information organization theory, the information of cvds is induced and classified according the structure and function of the system, that is, user information, distribution center information, business information, daily dispatch information, emergency dispatch information and geography data information
本研究接著利用系統的方法,遵循信息組織的原理,根據系統整體結構和功能,對商用車輛調度系統的信息進行了歸納和分類,得到用戶信息、配送中心信息、業務信息、日常調度信息、緊急調度信息和空間數據信息六個層次的信息。And by far, most theories of wavelet analysis are established in, but this method is rare to be known and exists defects in the reproducing kernel space with good properties. then in the reproducing kernel space, isometric isomorphism of relation is founded between and by differential operator. and starting from the haar basis, multi - resolution analysis inis gived by folding method ; then multi - resolution analysis and orthonormal wavelet in are obtained through integral transform from to. then the reproducing kernel space can be expressed by wavelet spaces
於是,在再生核空間中,利用積分運算元建立了空間與hilbert空間的等距同構關系;並且從haar小波出發,由折疊法實現的空間中多尺度分析通過積分變換得到中多尺度分析和正交小波,使得再生核空間可以由小波空間來刻劃;從而對空間中的函數,給出了小波逼近具體表達式和相應的采樣公式,形式簡單易於數值分析。By employing the theory of operator representation, the reflection / transmission operator is decomposed into the form of double domains in the scheme, so it is adaptable to laterally heterogeneous media and fluctuating reflectors, can mimic ava of reflections when the incident angle is less than 45
文中利用運算元可分表示理論將反射透射運算元分解成適合於雙域(空間域和波數域)運算的表達形式,使得本文得到的地震波數值模擬演算法可適應於一定程度橫向非均勻介質和界面起伏情況,在入射角小於45時能夠準確模擬振幅隨入射角( ava )的關系。Referencing between the genetic soil classification of china ( gscc ) and the chinese soil taxonomy ( cst ) for gscc - high - mountain - soils was conducted and their quantitative and spatial distribution characteristics within cst were studied, based on the 1 : 1m soil database of china, which consists of 3 parts, 1 : 1m digital soil map, soils profiles attribution database and soil reference system of china
摘要本文利用最新建立的1 : 100萬中國土壤數據庫,研究了我國發生分類高山土與中國土壤系統分類的參比及其在系統分類下的空間分佈和數量特徵。Second, the bar of the frequency - distribution and the curve of lorenz and the g coefficient are talked about the spatial distribution of day to day precipitation. the results show that the heterogeneous of day precipitation is strong on every day in a year. the spatial distribution model is left skew all in four seasons and it is different from the monthly precipitation
其次利用全國700個測站逐日降水資料的空間分佈頻數直方圖及洛倫茲曲線和基尼系數闡述了我國逐日( 24小時)降水非均勻性的事實,直方圖顯示全國范圍內逐日降水的水平空間分佈型在四季都是一種明顯左偏態型,與月降水量的水平空間分佈型略有不同;基尼系數值的月際變化也與月降水量的變化相反。This paper implements spatial analysis prototype system roamosii after analyzed stzware ’ s two - dimension subset and amosii database. using object oriented thinking, we package stzware ’ s two - dimension subset by java to form spatial analysis module, model spatial object types in amosii database to form data storage module and form spatial object edit module using java. we integrate these 3 modules to form a complete 2 - dimension spatial analysis system
本文在分析了stzware二維子集和amosii數據庫的基礎上實現的空間分析原型系統roamosii ,利用面向對象的思想,通過用java語言包裝stzware的二維子集,在amosii數據庫中建模空間對象類型構成數據存儲模塊, java實現空間對象編輯模塊,這三個模塊通過amosii的java介面集成在一起,形成完整的二維空間分析系統。In the paper, by fractional - dimension space model, the relationships between system dimensions and wells width in zno / mgzno quantum well will be studied and the exciton dynamics such as wave functions, radial intensity and bohr radius in zno / mgzno with different well width are studied firstly. secondly, the system dimension, exciton wave functions and absorption spectrum in hexagonal microtube zno film were calculated and simulated, and the confinement of microtube is discussed. then the hexagonal microtube zno films are investigated by capacitance - voltage ( c - v ) measurements and the structure of zno / si were analyzed and modeled
本文利用分數維空間模型,首先研究了zno / mgzno量子阱中系統維度、激子波函數、徑向密度和波爾半徑隨阱寬的變化,從中反映了zno / mgzno量子阱中量子尺寸效應對激子態的影響;其次計算和模擬得到六棱微管zno薄膜的系統維度、激子波函數及吸收譜,討論了微管壁厚對激子的限制情況。In the process of research, the paper made the model according the relationship between the beam and real topography considering the mountains " gradients and directions. later the paper calculated the distribution of astronomical radiation of chongqing
在重慶地區天文輻射空間分佈研究中,根據太陽光線與實際地形之間的幾何關系,利用dem數據,在充分考慮山地坡度、坡向和遮蔽等影響的基礎上,建立了起伏地形下天文輻射分散式估算模型。In the surveillance system of cns / atm, secondary surveillance radar ( ssr ) is used in busy air space, and automatic dependent surveillance ( ads ) is used in other air spaces. ssr and ads can also be integrated. and ads can improve the efficiency of air space in the areas of ocean and desert where there is less flight route and large separation between aircrafts
在新航行系統的監視系統中,主要發展雷達監視和自動相關監視,在繁忙空域採用二次雷達監視,其它空域採用自動相關監視,並且可以實現二者的數據耦合;通過自動相關監視,可以克服海洋、荒漠空域航線少,飛機間隔大的缺點,提高空域利用率。When assessing the standard value of town land, we are tend to neglect the influence of the city spatial structure, according to this problem, this paper make an exploration into the techno - approach and method of town land value assessment, taking integrated town land as the research object. at first, the author has taken part in the item of land gradation and standard land value update in dehui city, basing on this, he makes an analysis of the characteristics of town land market, the principles of town standard land value assessment, the distribution of different land usage types and the types of town integrated land, and puts forward the techno - approach and method of town tridimensional integrated land value assessment
本文以小城鎮立體綜合用地為研究對象,基於土地經濟學、土地估價技術、土地空間價值理論、地價空間分配理論等基礎理論,運用地價空間分配系數、加價模型等方法,結合目前我國小城鎮基準地價評估中忽略城市空間結構對城鎮基準地價的影響這一問題,討論了小城鎮土地市場的特點、小城鎮基準地價評估的原則、小城鎮土地利用類型的分佈、小城鎮綜合用地的類型。The main work and achievements are summarized as follows : based on herrmann variational principle and the nearly - incompressible viscoelastic constitutive relation, a new type of viscoelastic incremental finite element method is presented. in this method, incremental arithmetic is applied to solving the hereditary integrals. it needs less memory space, has simple parameter matrix, and calculates stiffness matrix only once
主要研究內容如下:從herrmann變分原理出發,基於適用於近似不可壓縮材料的粘彈性本構關系,利用增量法處理遺傳積分,發展了一種粘彈性增量有限元方法,所需存儲空間較少,參數矩陣形式簡單,求解過程只需要形成一次剛度矩陣,適用於藥柱的結構計算,奠定了確定性分析基礎。In the fifth chapter, we use the the methods of function theory establised a class of analytic reproducing kernel space, we call it a generalized arveson space. we study the relationship of these space, and obtain some intersting results, we also defined toeplitz c * - algebra on the generalized areveson space, obtain some results of toeplitz c * - algebra on the generalized areveson space
在第五章中,我們利用函數論的方法建立了更廣泛的一類解析的再生核空間,稱之為廣義arveson空間,討論了它的一些關系,並得到了一些有趣的結果。還定義了廣義arveson空間上的toeplitzc * -代數,建立了廣義arveson空間上的toeplitzc * -代數的一些性質。The two assessment methods have been compared and on the basis of it, the sustainable assessment method based on spatial data of grid model is more accurate. thus, if the sustainable assessment of regional land use system is needed, the one based on spatial data of grid model can be basis of sustainable assessment with the help of fuzzy theory test, and briefly to say, two methods will be integrated to apply i
並對這兩種評價方法進行了比較,認為基於網格空間數據的可持續性評價相對更精確一些,在區域土地利用系統可持續性評價時,可以以基於網格空間數據的可持續性評價為基礎,輔以模糊理論的可持續性評價為驗證,兩者結合作出區域土地利用系統可持續性的綜合評價。It utilized advanced gis technology to manage regional agricultural resource information, build spatial and attribute databases, applied function of own spatial analyses and convenient making thematic picture of this system, realized dynamical show of correspondingly geographical position and regional agricultural resource information. and then this system had advantage in datum management, spatial analysis, graphic display
利用gis技術對區域農業資源信息進行管理,建立了空間和屬性數據庫,運用該系統特有的空間分析和方便的專題制圖功能,實現了區域農業資源信息數據與其相應的地理位置動態顯示,使該系統具有數據管理、空間分析和圖形顯示的優點。分享友人