topological invariant 中文意思是什麼

topological invariant 解釋
拓撲不變量
  • topological : 拓撲的
  • invariant : adj. 不變的，無變度的；一定的，恆定的。n. 【數學】不變式；不變量。n. -iance
  1. In the first section : the concept of stratified completely t2 separation is introduced in l - topological spaces. it is a l - good extention, a invariant of weak homeo - morphisms, and it is hereditary, producible

    第一節的內容是：在l -拓撲空間中引入一種層完全t _ 2分離性，它是一般拓撲中完全t _ 2分離性的l -好推廣。
  2. We introduce five topological characteristics and geometry characteristics that are invariant under projective transformation specially perspective projection. the definition of homograph is given by means of these characteristics, and then the recognizing method of the homograph is proposed according to the definition of homograph

    接著，根據透視投影不變性提出了5個用來描述多邊形形狀的拓撲特徵和幾何特徵，這些特徵在透視投影下是不變的，以這些特徵給出了在透視投影下平面多邊形為類似形的定義。
  3. In the first part, the concepts of the completely normal spaces and strong completely normal spaces in l - topological spaces are defined, which are the generalization of the completely normal spaces in general topological spaces. they are some good properties such as hereditary, weakly homeomorphism invariant properties, good l - extension, but they are n ' t producible in general. moreover, their several sufficient and necessary conditions in induced spaces are presented

    第一部分的主要內容如下：第一部分這一部分是將一般拓撲學的完全正規分離性的概念推廣到了l -拓撲空間，給出了l -拓撲空間的完全正規分離性和強完全正規分離性的定義並討論了它們的若干性質，比如，它們都是可遺傳的，弱同胚不變的， 「 lowen意義下好的推廣」等。
  4. In this paper it is proved that there are no scramble sets with nonzero invariant probability measure and especially there are no sequence - distribution - scramble sets with nonzero invariant probability measure in the minimal mappings of a compace metric space and interval mappings with zero topological entropy

    摘要證明緊度量空間的極小映射以及拓撲熵為零的區間映射不存在具有非零不變概率測度的混沌子集，特別不存在具有非零不變概率測度的序列分佈混沌子集。
  5. As a kind of topological conjugate invariant, the topologic entropy can perfectly describe complex behavior of dynamical system. therefore it plays a very important role in the study of dynamical system

    拓撲熵作為一種拓撲共軛不變量，它對動力系統的混亂程度有著極好的數量描述，因此在動力系統的研究中占據著十分重要的位置。
  6. In this thesis, six topological characteristics and geometry characteristics are proposed that are invariant under affine transformations and axonometric projection. the definition of homograph is given based on these characteristics, and then the recognizing method of the homograph is proposed according to the definition of homograph at the same time

    其次，根據仿射不變性提出了6個用來描述多邊形形狀的拓撲特徵和幾何特徵，這些特徵在軸測投影下是不變的，以這些特徵為約束條件給出了在軸測投影下類似形的定義。
  7. A novel topological map is proposed in this paper, and its nodes are represented with the visual scale - invariant features and the beam features of the laser range finder

    摘要提出了一種新型拓撲地圖；該地圖用激光的扇區特徵和視覺的比例不變特徵來聯合表示節點。
  8. ( 3 ) atr is studied in this paper both invariant moments to round degree. and, against the helicopter the result of test is given. the idea of topological is introduced in the fried of atr, the hitting - point choice on the basis of characteristic points is studied and aiming at the tanker a applied algorithm is proposed.

    （ 3 ）在模式識別理論的基礎上，探討了圖像識別系統，研究了不變量（不變矩、圓度）在目標識別中的應用，並針對圓度法用於直升機識別給出了應用實例，提出拓撲思想在識別中應用的方案，並針對坦克提出了一種命中點選擇方案和演算法。
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