code4_var_str.h

快速傅立叶变换程序代码,学信号的同学,可要注意了

  int transpose ;   /* whether to transpose A when writing it <0>    */
  int cheap ;       /* don't make inverse, go direct to alist repn <0>    */
  int N ;           /* size                 <10>   */
  int NS ;          /* size of signal block <10>   */
  int M ;           /* N/A except MNC0      <0>    */
  double rho ;      /* number of signal bits per cycle <1>    */
  int MNC ;         /* which code           <4>    */
  long int seed ;   /* seed                 <125>  */
  int showhd ;      /* hamming distances to show in xv (eg 5) <0>    */
  int checkhd ;     /* distance at/below which to shriek <3>    */
  int hd ;          /* this is used when generating the matrix <3>    */
  sparse_cmatrix_param pC1 , pC2 ; 
  int pbm_o ;       /* whether to write code as bit map <0>    */
  int pbm_xv ;      /* whether to xv it also <0>    */
  char pbm_ofile[100] ;/* the file for C1      <->    */
  char pbm_ofile2[100] ;/* the file for C2      <->    */
  int verbose ;     /* -                    <1>    */
  char outfile[100] ;/* Default MNC4/N.t1.t2.seed <->    */
  int out ;         /* whether to print alist <1>    */