Low encoding complexity can also be achieved due to the inherent quasi-cyclic structure of the LDPC codes.
由于产生的LDPC码本身固有的准循环结构，还能得到较低的编码复杂度。
The encoding complexity of LDPC codes length n seems indeed to be of order n2, the dissertation study the coding scheme with linear time complexity.
针对LDPC码通用编码算法的复杂度与码长的平方成正比的问题，重点研究了LDPC码的快速编码方法，总结出了使LDPC码能够达到线性编码的途径。
These quasi-cyclic LDPC can not only reduce the storage of LDPC generator matrix, but also decrease the encoding complexity efficiently, which is of great significance for the applications.
这些特殊结构的LDPC码不仅可以压缩编译码所需的矩阵储存空间，而且还能有效的降低编码复杂度，这对工程上实现LDPC码的应用具有重要的意义；
These quasi-cyclic LDPC can not only reduce the storage of LDPC generator matrix, but also decrease the encoding complexity efficiently, which is of great significance for the applications.
这些特殊结构的LDPC码不仅可以压缩编译码所需的矩阵储存空间，而且还能有效的降低编码复杂度，这对工程上实现LDPC码的应用具有重要的意义；
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