rmdc_var_usg.c

快速傅立叶变换程序代码,学信号的同学,可要注意了

  DNT; fprintf( fp, "-afile afile                  (file with alist in it.)");
  DNT; fprintf( fp, "-nac 0/1 <%d>                  (whether not to allow communication attempts above capacity. If 1, then such attempts are disallowed.)", dc->notabovecap);
  DNT; fprintf( fp, "-fe use_fe <%d>                (use fe_min          )", dc->use_fe);
  DNT; fprintf( fp, "-bnd use_bnd <%d>              (use bnd             )", dc->use_bnd);
  DNT; fprintf( fp, "-el log <%d>                   (whether to record decoding errors)", dc->error_log);
  DNT; fprintf( fp, "-elfile elfile                (file for errors     )");
  DNT; fprintf( fp, "-nsum log <%d>                 (whether to tot up noise patterns that cause decoding errors)", dc->noise_sum);
  DNT; fprintf( fp, "-nsumfile nsumfile            (file for noisesums  )");
  DNT; fprintf( fp, "-maxcount maxcount <%d>        (max number of bit errors to report; -1=all)", dc->maxcount);
  DNT; fprintf( fp, "-skip number <%d>              (number of random vectors to generate before starting)", dc->skip);
  DNT; fprintf( fp, "-mnc MNC <%d>                  (which code to use: 1,2,3,4 = MNC 1-4 if MNC = 0 then an M*N code as in MacKay 1995 is defined. Only mnc=4 supported by mnc6)", dc->MNC);
  DNT; fprintf( fp, "-n N <%d>                     (length of the transmitted vector t if not N)", dc->N);
  DNT; fprintf( fp, "-m M <%d>                      (number of (sets of) constraints)", dc->M);
  DNT; fprintf( fp, "-bm bM <%d>                    (number of binary constraints)", dc->bM);
  DNT; fprintf( fp, "-gc gc <%d>                    (Use Gaussian channel)", dc->gc);
  DNT; fprintf( fp, "-gcx gcx <%9.3g>       (Signal to noise ratio of gaussian channel)", dc->gcx);
  DNT; fprintf( fp, "-fs fs <%9.3g>         (fraction in s       )", dc->fs);
  DNT; fprintf( fp, "-fn fn <%9.3g>         (error probability on channel)", dc->fn);
  DNT; fprintf( fp, "-ns ns <%d>                    (if !0, number of signal bits)", dc->ns);
  DNT; fprintf( fp, "-nn nn <%d>                    (if !0, number of noise bits)", dc->nn);
  DNT; fprintf( fp, "-nsn nsn <%d>                  (if !0, number of signal+noise bits)", dc->nsn);
  DNT; fprintf( fp, "-t t <%d>                      (number per column (useful for automated production of afile name))", dc->tc);
  DNT; fprintf( fp, "-dv dv <%d>                    (verbosity           )", dc->verbose);
  DNT; fprintf( fp, "-mseed mseed <%ld>          (seed for matrices in the code)", dc->mseed);
  DNT; fprintf( fp, "-vseed vseed <%ld>          (seed for vectors    )", dc->vseed);
  DNT; fprintf( fp, "-mess mess <%d>                (how many messages to send)", dc->MESSAGE);
  DNT; fprintf( fp, "-demo demo <%d>                (-                   )", dc->DEMO);
  DNT; fprintf( fp, "-failures failures <%d>        (number of failed messages to stop after)", dc->failures);
  DNT; fprintf( fp, "-fe fe <%d>                    (whether to use femin?)", dc->fe);
  DNT; fprintf( fp, "-pheading period <%d>         (-                   )", dc->pheading_period);
  DNT; fprintf( fp, "-pbw period <%d>             (how often to write a ton of summary stuff)", dc->big_write_period);