function?[punc_patt?punc_patt_size]?=?get_punc_params（code_rate）
%?打孔參數(shù)

if?strcmp（code_rate‘R3/4‘）?????????%?六個(gè)刪除兩個(gè)，由1/2得到3/4
???%?R=3/4?Puncture?pattern:?[1?2?3?x?x?6]?x?=?punctured?
???punc_patt=[1?2?3?6];
???punc_patt_size?=?6;
elseif?strcmp（code_rate?‘R2/3‘）????%?四個(gè)刪除一個(gè)，由1/2得到2/3
???%?R=2/3?Puncture?pattern:?[1?2?3?x]?x?=?punctured?
???punc_patt=[1?2?3];?
???punc_patt_size?=?4;
elseif?strcmp（code_rate?‘R1/2‘）????%?標(biāo)準(zhǔn)編碼器碼流，不必打孔
???%?R=1/2?Puncture?pattern:?[1?2?3?4?5?6]?x?=?punctured?
???punc_patt=[1?2?3?4?5?6];
???punc_patt_size?=?6;
else
???error（‘Undefined?convolutional?code?rate‘）;
end

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----

?????文件????????906??2001-12-04?23:52??rx_depuncture.m

?????文件????????740??2004-05-23?09:04??tx_puncture.m

?????文件????????665??2004-05-23?09:06??get_punc_params.m

-----------?---------??----------?-----??----

?????????????????2311????????????????????3