code5_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 (no choice in code5) <1>    */
  int N ;           /* horizontal size      <10>   */
  int NS ;          /* size of signal block <10>   */
  int N1 ;          /* Number of columns with weight 1 (code6 only) <0>    */
  int M ;           /* other dimension      <0>    */
  long int seed ;   /* seed                 <125>  */
  int hd ;          /* this is used when generating the matrix <3>    */
  double t1 ;       /* number per col       <3>    */
  double t2 ;       /* number per col (defaults to t1) <0.0>  */
  int verbose ;     /* -                    <1>    */
  char outfile[100] ;/* Default MNC4/N.t1.t2.seed <->    */
  int out ;         /* whether to print alist <1>    */
  int stair ;       /* make a slope(2) or staircase (1) for the first chunk of matrix <0>    */
  int maxattempts ; /* maximum number of attempts per column to avoid overlap with other cols <20>   */