covfft.oup.txt

用于计算卷积

 input file names: ifile/ofile/ofile1
 INPUT: RFISW, RLONSW, INN, INE, IWNDOW

 --- COVFFT - GRAVITY COVARIANCE ANALYSIS BY FFT ---
 WANTED SW CORNER:  79.6000 -25.0000, POINTS:  12  18, IWNDOW:  1
 INPUT GRID:    79.6000   82.0000  -25.0000  -16.5000  12.00  30.00
 SELECTED: SW CORNER    79.6000  -25.0000, POINTS     12    18   216
 STATISTICS: MIN MAX MEAN STD.DEV.    -13.40    25.49     4.97     8.14
 POWER SPACE DOMAIN      65.97, MEAN      4.97
   0.5000
 POWER AFTER WINDOW      54.64, WSUM =   0.8657
 POWER FREQ. DOMAIN      65.97

 CHARACTERISTIC COVARIANCE PARAMETERS:
 C0, RMS = =    60.42    7.77, XHALF (ARCMIN) =   14.5
 ANISOTOPY INDEX AND DIRECTION =   1.3   0.
 SIGMA SLOPE =  -4.6, GEOID VARIANCE =      0.05

 SPACING   12.000 ARCMIN, FREQ.SPACING.   0.4167 CYCLES/DEGREE
 POINTS   7

 <   N    PSI    L      POWER(DB)         COV         SIGMA
     0   0.00    0       19.3166        1.0000      999.9000       3
     1  12.00  150       12.2831        0.5922      -17.2394      14
     2  24.00  300       11.1387        0.1473      -17.6585      32
     3  36.00  450        4.9067       -0.1014      -18.4590      50
     4  48.00  600        0.9141       -0.1416      -18.9838      52
     5  60.00  750       -2.6596       -0.0768      -19.4384      42
     6  72.00  900       -6.5857       -0.0705      -19.9105      42