| FY-2和GMS-5红外通道遥感图像质量的功率谱分析 |
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| 引用本文： | 谷松岩,范天锡.FY-2和GMS-5红外通道遥感图像质量的功率谱分析[J].应用气象学报,1999,10(3):374-378. |
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| 作者姓名： | 谷松岩 范天锡 |
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| 作者单位： | 1.（国家卫星气象中心，北京 100081） |
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| 摘 要： | 根据遥感图像功率谱的性质，对比分析了FY-2和GMS-5扫描辐射计红外通道的图像质量。计算结果表明，FY-2红外通道遥感图像功率谱各分量之和不高于GMS-5红外A通道遥感图像的功率谱各分量之和。数值模拟试验的结果表明，FY-2红外通道的图像质量大体上与GMS-5红外A通道的图像质量相当。
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| 关 键 词： | 红外通道 图像质量 功率谱 |
Power Spectrum Analysis on the Image Quality of FA-2 & GMS-5 IR Channels |
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| Gu Songyan.Power Spectrum Analysis on the Image Quality of FA-2 & GMS-5 IR Channels[J].Quarterly Journal of Applied Meteorology,1999,10(3):374-378. |
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| Authors: | Gu Songyan |
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| Institution: | 1.(National Satellite Meteorological Center, Beijing 100081) |
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| Abstract: | The image qualities of FY-2 and GMS-5 IR channels are analyzed by means of the image power spectrum analysis. The results show that the sum of the components in the image power spectra of FY-2 IR channel is a little less than that of GMS-5 IR A channel, and based on the results of numerical simulation experiment, it is shown that the image quality of FY-2 IR channel is equivalent to that of GMS-5 IR A channel. |
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