ccsds ldpc 生成矩阵

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This document is a CCSDS Experimental specification for a set of Low Density Parity Check (LDPC) codes. It was contributed to CCSDS by NASA. Through the process of normal evolution, it is expected that expansion, deletion, or modification of this document may occur. This Experimental Specification is therefore subject to CCSDS document management and change control procedures, which are defined in the Procedures Manual for the Consultative Committee for Space Data Systems. Current versions of CCSDS documents are maintained at the CCSDS Web site: http://www.ccsds.org/