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G. Picardi et al., Science 310, 1925 (2005); published online 29 November 2005 (10.1126/science.1122165).
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5
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T. R. Watters et al., Science 318, 1125 (2007); published online 31 October 2007 (10.1126/science.1148112).
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A-scope data are the data set of the observed signal amplitude versus range. B-scan data are the time series of A-scope data. B-scans are also referred to as radargrams
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A-scope data are the data set of the observed signal amplitude versus range. B-scan data are the time series of A-scope data. B-scans are also referred to as radargrams.
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11
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60149104349
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Using three independent observed parameters (i.e, the surface echo amplitude, the subsurface echo amplitude, and the delay time of the subsurface echo relative to the surface echo, we need to determine four independent parameters (i.e, dielectric constants of two subsurface layers, the loss tangent of the top layer, and the depth of the subsurface reflector, To solve this ill-posed problem, we inversely solve a Fresnel model of three media (i.e, vacuum and two subsurface layers) assuming normal incidence and a moderate value of 4 for the dielectric constant of the top layer
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Using three independent observed parameters (i.e., the surface echo amplitude, the subsurface echo amplitude, and the delay time of the subsurface echo relative to the surface echo), we need to determine four independent parameters (i.e., dielectric constants of two subsurface layers, the loss tangent of the top layer, and the depth of the subsurface reflector). To solve this ill-posed problem, we inversely solve a Fresnel model of three media (i.e., vacuum and two subsurface layers) assuming normal incidence and a moderate value of 4 for the dielectric constant of the top layer.
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18
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The Kaguya mission was conducted by the Japan Aerospace Exploration Agency (JAXA, We thank Y. Takizawa (project manager, S. Sasaki (project scientist, and M. Kato (science manager) for their efforts in accomplishing the Kaguya mission, and K. Tanaka, Y. Iijima, S. Nakazawa, H. Otake, S. Sobue, H. Hoshino, H. Okumura, Y. Yamamoto, and J. Kimura (team members of the Kaguya mission) for their helpful discussions on achieving a high reliability for the mission instruments
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The Kaguya mission was conducted by the Japan Aerospace Exploration Agency (JAXA). We thank Y. Takizawa (project manager), S. Sasaki (project scientist), and M. Kato (science manager) for their efforts in accomplishing the Kaguya mission, and K. Tanaka, Y. Iijima, S. Nakazawa, H. Otake, S. Sobue, H. Hoshino, H. Okumura, Y. Yamamoto, and J. Kimura (team members of the Kaguya mission) for their helpful discussions on achieving a high reliability for the mission instruments.
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