girth class 中文意思是什麼

girth class 解釋
干圍級
  • girth : n. 1. （馬等的）肚帶。2. （樹干、人腰身的）圍長；【建築】圍梁，船殼圍長。3. 尺寸，大小。vt. 1. 圍繞，包圍。2. 給…上肚帶，給…緊肚帶。3. 給…量圍長。vi. 圍長為。
  • class : n 1 階級;社會等級。2 學級；班級，年級，級，班；組；（有組織的）講習班；〈美國〉同年畢業班；【軍事...
  1. ( 3 ) we give an upper bound for lewin index, which is related to generalized primitive exponents of primitive digraph of order n and girth 2, determine the index set of this class digraph and discuss the extreme cases

    （ 3 ）第4節分析了圍長為2的n階本原有向圖的l （ g ）的上界及相應的指數集，並討論了極端情形。
  2. The main results are : ( 1 ) we give an upper bound for kth generalized primitive exponents of primitive digraphs with order n and girth 2, and determine the exponent set of this class digraphs in section 2

    主要內容有三部分： （ 1 ）第2節給出了圍長為2的n階本原有向圖的第k個頂點指數（ exp _ d （ k ） ）的上界及相應的指數集。
  3. ( 2 ) we give an upper bound for kth generalized primitive exponents of non - primitive digraphs with order n and girth 2, determine the exponent set of this class digraphs in section 3, and discuss the extreme cases

    （ 2 ）第3節給出了圍長為2的n階非本原有向圖的第k個頂點指數（ exp _ d （ k ） ）的上界及相應的指數集，討論了極端情形。
  4. This paper made a careful study on a class of quasi - regular ldpc codes which could encode in linear time only making use of their parity matrix such as - rotation ldpc codes. two factors of the minimum distance and girth length were discussed to improve the performance of these ldpc codes

    本文著重研究以旋轉ldpc碼為代表的準規則結構的ldpc碼的構造和編碼方法，可以直接利用校驗矩陣實現快速線性編碼，並從碼距和圍長兩個方面，對這類ldpc碼字性能進行分析和優化。
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