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- W2891675019 abstract "Multichannel SAR is an effective approach to solving the contradiction between high azimuth resolution and wide swath. The goal of this paper is to obtain a new and effective method for estimating and compensating the interchannel phase error of the Chinese GF-3 Synthetic aperture radar (SAR). A channel phase error correction method based on the optimal value of the image domain quality function is proposed. In this method, the phase error is initially compensated using the correlation function method. In the fine correction of dual-channel phase error, a heuristic search algorithm is used to estimate the residual phase by searching the extremum of the quality function. After phase compensation in the image domain, the azimuth ambiguities caused by the remaining phase are eliminated. The proposed image domain processing method provides a new idea for channel phase error correction. The measured data of high-resolution GF-3 dual-channel ultrafine imaging mode verifies the validity of this method." @default.
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- W2891675019 date "2018-09-17" @default.
- W2891675019 modified "2023-10-18" @default.
- W2891675019 title "A Channel Phase Error Correction Method Based on Joint Quality Function of GF-3 SAR Dual-Channel Images" @default.
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- W2891675019 doi "https://doi.org/10.3390/s18093131" @default.
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