function?BITdecoder（latestartbit?i）
????global?PCvar;
????global?decision;

????N?=?PCvar.N;
????n?=?PCvar.n;

????if?i==N??%no?bits?need?to?be?updated
????????return;
????elseif?i<=（PCvar.N/2）
????????decision.BITS（11）?=?latestartbit;
????else
????????binary_i?=?dec2bin（i-1n）;
????????for?lastlevel?=?1:n
????????????if?binary_i（lastlevel）?==?‘0‘
????????????????break;
????????????end
????????end
????????
????????decision.BITS（21）?=?latestartbit;
????????for?level=1:lastlevel-2?
????????????start?=?2^（level-1）;
????????????till?=?2^level?-1?;
????????????for?index?=?start:till
????????????????decision.BITS（2till+2*（index-start）+1）?=?mod（?decision.BITS（1index）+decision.BITS（2index）?2?）;
????????????????decision.BITS（2till+2*（index-start）+2）?=?decision.BITS（2index）;
????????????end
????????end
????????level=lastlevel-1;
????????start?=?2^（level-1）;
????????till?=?2^level?-1?;
????????for?index?=?start:till
????????????decision.BITS（1till+2*（index-start）+1）?=?mod（?decision.BITS（1index）+decision.BITS（2index）?2?）;
????????????decision.BITS（1till+2*（index-start）+2）?=?decision.BITS（2index）;
????????end
????end

end

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

????.......??????1141??2018-01-09?03:37??PolarCoding\BITdecoder.m

????.......???????524??2018-01-09?03:37??PolarCoding\bitreverse.m

?????文件????????860??2020-11-08?11:21??PolarCoding\controller_main.m

?????文件???????1537??2020-11-08?10:35??PolarCoding\DATA\InputBit.txt

????.......???????788??2018-01-09?03:37??PolarCoding\decoder.m

????.......???????480??2018-01-09?03:37??PolarCoding\encoder.m

????.......???????855??2018-01-09?03:37??PolarCoding\initialize.m

????.......??????1131??2018-01-09?03:37??PolarCoding\LLvalupdate.m

?????目錄??????????0??2020-11-08?10:33??PolarCoding\DATA

?????目錄??????????0??2020-11-12?16:46??PolarCoding

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

?????????????????7316????????????????????10