航空重力测量数据的小波滤波处理
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王静波, 熊盛青, 罗锋, 王冠鑫
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Wavelet filter processing in airborne gravimetry
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Jing-Bo WANG, Sheng-Qing XIONG, Feng LUO, Guan-Xin WANG
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表7 小波滤波试验结果与GT-1A系统滤波结果的差值统计
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Table 7 The difference between wavelet filtering and GT-1A filtering result and statistics
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滤波周期 /s | 小波 | 最大差值 /mGal | 最小差值 /mGal | 平均差值 /mGal | 均方差值 /mGal | 比较点数 (N) | 60 | dmey | 0.6875 | -0.6580 | 0.0035 | 0.2797 | 3000 | | db7 | 0.8516 | -0.8573 | 0.0030 | 0.3970 | 3000 | | sym7 | 1.2614 | -1.0514 | -8.4227e-6 | 0.3972 | 3000 | | coif5 | 0.8497 | -0.7738 | 5.9950e-4 | 0.3204 | 3000 | | bior5.5 | 2.5249 | -2.3573 | -0.0070 | 0.9135 | 3000 | | bior6.8 | 1.3696 | -1.3667 | 0.0042 | 0.4776 | 3000 | 100 | dmey | 0.1578 | -0.4360 | -0.1747 | 0.2176 | 3000 | | db11 | 0.3647 | -0.6425 | -0.1758 | 0.2714 | 3000 | | sym10 | 0.5981 | -0.8946 | -0.1740 | 0.3125 | 3000 | | coif5 | 0.3847 | -0.6568 | -0.1783 | 0.2739 | 3000 | | bior5.5 | 0.8561 | -1.2599 | -0.2012 | 0.5091 | 3000 | | bior6.8 | 0.4365 | -0.7784 | -0.1820 | 0.3161 | 3000 |
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