• 1. Permutation matrices: 置换矩阵
• 2. circulant permutation matrices: 循环移位矩阵 | 循环置换矩阵
• 3. Bit-Reversal Permutation Matrices: 位元反转置换矩阵

更多释义

• 1.QC-LDPC codes constructed by circulant permutation matrices will lead to inevitable cycles, named balanced-cycles.
  在用循环置换矩阵构造准循环LDPC码时会出现一类无法消除的环，称为平衡环。
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• 2.The method used a parity-check matrix of a short LDPC code as its mother matrix upon which a long code was constructed with circulant permutation matrices.
  该方法利用一个短的LDPC码的校验矩阵作为其母矩阵，在此基础上采用循环置换矩阵构造一个长的LDPC码。
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• 3.Based on this result, the spectral decomposition theorems are proved by using permutation canonical forms of nonnegative matrices.
  在此基础上，利用非负方阵的置换标准形证明了谱分解定理。
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