grav.grd

用于计算卷积

    79.600000   82.000000  -25.000000  -16.500000  0.20000000  0.50000000

     -4.070    -5.208     0.127     6.207     6.799     8.579     9.202
     10.415    13.087    10.859    10.522    11.016    11.870     8.964
     -2.878    -9.474    -5.123    -6.564

      1.080     1.006     4.186     6.782     7.889     7.953     7.012
     10.207    15.466    12.151    12.508    12.052    12.690    10.949
      4.848     2.727     4.506     6.628

     -0.848    -1.535    -1.357    -0.325     0.883     2.241     4.107
      5.703     5.581    11.396    15.933    15.669    18.775    14.371
      8.163     8.435    10.825    11.007

     -2.454    -2.207    -1.997    -0.179    -1.056     2.167     8.670
      8.641     8.846    10.425    11.656    14.431    16.589    18.349
     20.900    25.486    20.327    19.666

      0.072     0.537     5.132     8.158    14.205    17.361    12.891
     11.557    10.564     8.807     9.289    12.641    14.389    16.762
     19.764    20.150    19.674    19.195

      4.240     6.660     7.575     9.462    10.212     7.355     8.170
      9.390     5.791     0.651     2.842     5.303     7.855    13.119
     11.553     9.403     6.827     4.714

     -4.088    -2.415     0.877     5.736     3.383     4.046     3.889
      2.021     1.598     0.264    -2.192    -1.914    -1.790    -4.102
     -9.112    -8.988    -6.821    -4.930

     -9.973    -7.981    -4.609    -3.056     4.775     5.816     5.252
      6.718     4.381     2.339    -1.922    -4.544    -4.963    -5.490
     -4.935    -0.218    12.274     5.796

     -5.256    -8.106     0.494     3.067     7.445    13.901     5.540
      1.951    -4.853    -4.663    -3.092    -6.674    -3.804    -1.760
      3.150     8.680     7.796     8.353

     16.618    12.282    11.785    14.464    11.816     8.451     2.256
     -4.813   -13.239   -13.403    -9.849    -9.572    -4.253    -0.715
      1.068     5.274    12.118    16.716

     15.861    14.260    14.854    15.891    16.365    11.828     4.689
     -3.681    -4.887    -6.161    -6.388    -5.165    -7.218    -5.409
      0.866    13.455    14.550    10.635

     16.260    15.088    15.588    16.236    15.829    10.737     7.707
      0.534    -3.337    -6.267    -6.259    -7.204    -7.569    -6.457
     -3.788     0.008     4.213     4.490

     15.842    12.862    13.244    14.925    12.931     9.754     4.970
      3.309    -1.507    -4.134    -6.223    -6.116    -6.378    -4.098
     -1.927    -1.175     1.284     1.821