饮料
发表于 2025-3-25 06:55:32
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朝圣者
发表于 2025-3-25 11:11:53
Wave Optics Algorithms for Processing Radio Occultation Data in the Lower Troposphere: A Review and tical ray structure of the wave field. Wave field diffracted by strong inhomogeneities in the lower troposphere and by long propagation distance from the planet limb to the space-borne receiver has a complicated structure. Its amplitude and phase are determined by multiple interfering rays and diffr
侵略主义
发表于 2025-3-25 14:45:26
The Radio-holographic Approach for GNSS Occultation Data Analysis: Review and Application to Resolvi by using radio holographic vector equations. To use these equations a reference signal is needed to derive the field distribution from radio holograms. The reference signal coincides with the Green function of the back-propagated field and can be found by solving the scalar wave equation. A simplif
Indurate
发表于 2025-3-25 16:34:23
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Canary
发表于 2025-3-25 22:16:36
Fourier Analysis of GNSS-LEO Radio Occultation Signals, Resolution and Limitationstmosphere. These limitations are related to sampling frequency and signal-to-noise ratio, as well as diffraction. The impact of each of these limiting factors are discussed and analysed in terms of measurement accuracy and resolution. A main result is that higher order phase variations in the receiv
思考
发表于 2025-3-26 01:30:29
Canonical Transform Methods for Radio Occultation Datag out a back-propagation. This canonical transform is determined to first order in a small parameter that measures the deviation of the satellite orbit from a circle. When the parameter is equal to zero, i.e., for circular orbits, our canonical transform reduces to a Fourier transform. In the genera
CURL
发表于 2025-3-26 06:15:43
Unfolding of Radio Occultation Multipath Behavior Using Phase Modelsherically symmetric the multipath behavior can be unfolded by a Fourier transform of the measured signal. However, small deviations from circular orbits may imply that the multipath behavior cannot be completely unfolded due to the fact that a given instantaneous frequency may occur at more than one
deforestation
发表于 2025-3-26 09:40:22
Abel Integral Inversion in Occultation Measurementshe Abel transform, this work derives practical rules for discretization and for solution of the inverse problems, containing Abel-type integral equations. Two applications in remote sensing are considered: reconstruction of local densities from horizontal column densities (vertical inversion) in abs
托人看管
发表于 2025-3-26 13:09:37
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荒唐
发表于 2025-3-26 20:34:24
Retrieval of Atmospheric Refractivity Profiles from Ground-Based GPS Measurementshe inversion of ground-based GPS phase measurements collected at low elevation angles. The Abel inversion, usually adopted to infer atmospheric profiles from space-based radio occultation observations, cannot be applied to the inversion of ground-based measurements. Therefore, we propose a technique