说明：  Alternative good LDPC codes for DVB-S2
(In our following paper, we find that the shortten codes of DVB-S2 have some problems,this program can provide a good DVB-S2 LDPC code without cascaded BCH codes. [1] Yang Xiao, Kiseon Kim, "Alternative good LDPC codes for DVB-S2", 9th International Conference on Signal Processing, 2008 (ICSP 2008), Beijing, 26-29 Oct. 2008, page(s): 1959-1962, ISBN: 978-1-4244-2178-7, INSPEC Accession Number: 10411270, Digital Object Identifier: 10.1109/ICOSP.2008.4697527, Current Version Published: 2008-12-08 The paper can be downloaded from Web site of IEEE Explore.)