拓向量空 的英文怎麼說
中文拼音 [tàxiàngliángkōng]
拓向量空
英文
topological vector space-
The new joint structure can simplify structure, decrease complexity and improve facility. these advantages can make robot - applying fields into microminiaturization and miniaturization. moreover, due to the new structure ' s properties for mechanical design, the new joint has bigger action space
這樣可以用體積小、重量輕的簡單機構取代以往龐大、臃腫的復雜機構，使得機器人的應用領域向小型化微型化空間拓展；而且由於本結構的機械設計上的特點，使得本關節作用空間較大，基本上可以滿足眾多應用場合的需要。We use a size changeable adjacent field to describe the topological structure of 3d unorganized points in our algorithm. it can offer essential dynamic information for tessellation and points " normal
演算法採用可以控制大小的鄰域作為空間散亂數據點的拓撲關系的幾何描述，為網格劃分和點的法向量的幾何描述提供了必要的動態幾何信息。Inductive topologies of l - fuzzy topological vector spaces
拓撲向量空間的歸納拓撲34. we will rally the efforts of all sectors to create favourable conditions for personal development, thereby creating more opportunities for upward mobility
34 .我們會凝聚各界力量，盡量開拓市民的個人發展空間，增加向上流動的機會。During the adjustment of structure, the thesis dicusses the change the forestry, stock breeding, and aquaculture were supplanted by planting, the improvenent that foodstaff pushed aside the economec products in panting structure, the movenent of forestry industrial sructure through increasing forestation acreage and developing mixed farming, the inprovement of breed structure and increasement the quantityof the stock breeding in the structure adjustment, the advancement of proportion of breed aquatics and catching, developing the breeding and ocean aquaculture, promoting the storege and process in the adjustment of aquaculture
在林業內部產業結構調整過程中，主要是提高造林育林面積，發展林業多種經營。畜牧業在結構調整中主要是改善畜種結構，提高畜產品產量。水產業主要是調整養殖與捕撈比例關系，積極以展海淡水養殖業，拓展漁業生產的空間，向外海漁業發展，推動水產業儲藏及加工業的發展。Chapter 5 is the direct extension of chapter 2, namely it maps sq field to vq field
第五章是上一章介紹的tcq方法由標量空間向矢量空間的直接拓展。A brief survey on the state - of - the - art research of determining geographic location of ip addresses is presented. the problem of determining the geographic location of routers in internet service provider topology measurement is discussed when there is inadequate information such as domain names that could be used
Ip地址定位技術在internet拓撲測量internet路由性質刻畫與地理位置相關的應用服務例如定向廣告web個性化搜索以及web地理空間導航geo - spatial navigating等方面具有重要作用。The primary studies in this paper are the following : ( 1 ) we define a generalized alexandroff topology on an l - fuzzy quasi ordered set which is a generalization of the alexandroff topology on an ordinary quasi ordered set, prove that the generalized alexandroff topology on an l - quasi ordered set ( x, e ) can be obtained by the join of a family of the alexandroff topologies on it, a topology on any topological space can be represented as a generalized alexandroff topology on some l - quasi ordered set, and the generalized alexandroff topologies on l - fuzzy quasi ordered sets are generalizations of the generalized alexandroff topologies on generalized ultrametric spaces which are defined by j. j. m. m. rutten etc. ( 2 ) by introducing the concepts of the join of l - fuzzy set on an l - fuzzy partial ordered set with respect to the l - fuzzy partial order and l - fuzzy directed set on an l - fuzzy quasi ordered set ( with respect to the l - fuzzy quasi order ), we define l - fuzzy directed - complete l - fuzzy partial ordered set ( or briefly, l - fuzzy dcpo or l - fuzzy domain ) and l - fuzzy scott continuous mapping, prove that they are respectively generalizations of ordinary dcpo and scott continuous mapping, when l is a completely distributive lattice with order - reversing involution, the category l - fdom of l - fuzzy domains and l - fuzzy scott continuous mappings is isomorphic to a special kind of the category of v - domains and scott continuous mappings, that is, the category l - dcqum of directed - complete l - quasi ultrametric spaces and scott continuous mappings, and when l is a completely distributive lattice in which 1 is a molecule, l - fuzzy domains and l - fuzzy scott continuous mappings are consistent to directed lim inf complete categories and lim inf co ntinuous mappings in [ 59 ]
本文主要工作是： （ 1 ）在l - fuzzy擬序集上定義廣義alexandroff拓撲，證明了它是通常擬序集上alexandroff拓撲的推廣，一個l - fuzzy擬序集（ x ， e ）上的廣義alexandroff拓撲可以由其上一族alexandroff拓撲取並得到，任意一個拓撲空間的拓撲都可以表示為某個l - fuzzy擬序集上的廣義alexandroff拓撲，以及l - fuzzy擬序集上的廣義alexandroff拓撲是j . j . m . m . rutten等定義的廣義超度量空間上廣義alexandroff拓撲的推廣。 （ 2 ）通過引入l - fuzzy偏序集上的l - fuzzy集關于l - fuzzy偏序的並以及l - fuzzy擬序集上（關于l - fuzzy擬序）的l - fuzzy定向集等概念，定義了l - fuzzy定向完備的l - fuzzy偏序集（簡稱l - fuzzydcpo ，又叫l - fuzzydomain ）和l - fuzzyscott連續映射，證明了它們分別是通常的dcpo和scott連續映射的推廣，當l是帶有逆序對合對應的完全分配格時，以l - fuzzydomain為對象， l - fuzzyscott連續映射為態射的范疇l - fdom同構於一類特殊的v - domain范疇，即以定向完備的l -值擬超度量空間為對象， scott連續映射為態射的范疇l - dcqum ，以及當l是1為分子的完全分配格時， l - fuzzydomain和l - fuzzyscott連續映射一致於k . wagner在[ 59 ]中定義的定向liminf完備的-范疇和liminf連續映射。Generalized bi - quasi - variational inequalities in locally convex topological vector spaces
關于局部凸拓撲向量空間中廣義雙擬變分不等式The one - loop vacuum polarization is calculated for untwisted and twisted scalar fields in a flat space - time with the topology s1 r3. the effect of vacuum polarization upon photon propagation is considered. it is found that for the untwisted scalar field some photon modes acquire a positive topological mass, thus travelling at a subluminal speed ; but for the twisted scalar field some photon modes get an imaginary topological mass and travel at a superluminal speed
本文中我們首先計算了在拓撲結構為s ~ 1 r ~ 3的非minkowski時空中扭曲標量場和非扭曲標量場的真空極化，然後考慮了真空極化對光子傳播的影響，我們發現除了光子的極化方向和傳播方向都垂直於緊致化方向的情形之外，非扭曲標量場的真空極化使所有其他的光子模式都獲得實的拓撲質量從而導致這些光子以亞光速傳播；但是，扭曲標量場的真空極化使光子獲得虛的拓撲質量以致他們以超光速傳播。This paper studies on used the ac servo system based on ti dsp ( lf2407a ) and the foc and digital signal processing thorem, achieves following results : algorithm. we employ svpwm ( space voltage pwm ) algorithm, improve the efficiency of the electric source, and decrease the harmonious elements. we build the mathematic model of the system and simulate it on matlab platform, dsigne segmented pid regulator to adapt variable speed and widen the speed range. measurement. the velocity and electric current measuring, we adopt multi - sampling - rate and digital filter principles. as more improvements we make, the whole system gets a good results. pc control. the complete controlling system can be controlled remotely. so we develop the pc controlling program.
採用磁場定向脈寬調制演算法，提高了電源利用率，降低了逆變電壓的諧波，改善了電機的運行特性，降低了對電網的污染；在matlab平臺上建立了交流永磁同步伺服電機和電壓空間矢量脈寬調制控制系統的數學模型，在模擬的基礎上，對傳統pid調節器進行了改進，提出轉速調節器和電流調節器採用分段pid結構，根據給定轉速所處的區間，自動選擇相應pid調節器的參數，拓寬了調速范圍，提高了控制精度。Adopting the globe pole mapping method of space analytic geometry, forming a topological mapping model from the high dimensionality vector to the low one, and then realizing a corresponding mapping from the rectangular matrix high dimensionality space text set to the low dimensionality space text set, finally, composing the corresponding arithmetics, accordingly solving the problem of nonlinear dimensionality reduction for text mining effectively, and overcoming some drawbacks in the former researches
摘要採用了空間解析幾何中的球極映射方法，形成高維向量到低維向量的拓撲變換模型，實現了矩陣形式的高維空間文本集合到低維空間文本集合的一一映射，編制了相應的演算法，從而有效地解決了文本挖掘中的非線性降維問題，克服了以往研究中的缺陷。The development of science and technology journal is limited obviously by its circumstance such as region, contribution, reader, etc. under the influence of these conditions, the confined mind and the unenterprise attitude is produced by editors. thus, the weak link of developing science and technology journal is showed conspicuously in blazing new trails of content, expanding circulation, and founding famous brand. for expanding the developing space of science and technology journal, some effective measures should be adopted. first, the content and quality of journal should be highly valued. the constantly bring forth new ideas in the content should be promoted by publishing original theses, supporting new subject, introducing new direction, creating characteristic column, etc. by means of these methods, the aim of spreading original achievement, starting new fields of scientific research can be achieved. so academic standard and effect of the journal can be improved. second, the operate mechanism of journal as a processing workshop should be changed. the varied methods should be adopted for selling, circulating and information feedback of journal. third, the reputation of the journal should be safeguarded by correcting ideology of publish. the resources of the journal should be rationally used and developed. it can promote the science and technology journal growing continued
科技期刊的發展受到地域、稿源、讀者等環境因素的制約.受其影響，編輯易產生封閉、不思進取的心態，使科技期刊在內容創新、擴大流通、創立品牌等方面突現出薄弱環節.為拓展科技期刊的發展空間，首先應抓內容和質量，通過刊發創新論文、扶持創新學科、引進創新方向、創辦特色欄目促進科技期刊內容創新，以傳播創新成果，開辟創新領域，提高期刊的學術水平，擴大影響力;其次，應改變純粹的生產單位、加工車間的運作機制，採用多種局道、多種方法加強科技期刊出版后的營銷、流通及信息反饋等工作，走出重生產、輕開發、輕流通的誤區，擴大影響面;第三，應端正出版理念，維護刊物的聲譽，合理利用、充分拓展科技期刊的品牌資源，促進科技期刊的可持續發展The vector extreme problems with the set constraint in the ordered linear topological spaces are studied. the necessary and sufficient optimality conditions are established
在序線性拓撲空間里研究了含有集約束向量極值問題的最優性條件，並建立了充分性和必要性條件As the lobby has a relative small height, a large number of vertical lines are employed to expand the visual space
因大廳層高較低幫大量運用豎向線條其以視覺上拓高空間。分享友人