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- W2092241372 abstract "Due to the ordinary low resolution radar can not distinguish the radar target in both range and azimuth. If we apply the technology of inverse synthetic aperture radar (ISAR) to resolve the difference among Doppler frequency of the scatters on the target, we can obtain a fine resolution cross-range image. The cross-range scale depends on both radar wavelength and rotating angle of target relative to radar-line-of-sight (RLOS) during the coherent accumulation. The former is known while the latter is difficult to determine especially in the case of ISAR. But we must investigate the method of cross- range scaling of low-resolution radar, as it is very important to radar target classification and recognition. In this paper, a new approach is proposed which is based on the principle of interferometric inverse synthetic aperture. We can calculate the phase difference of some scatters between two instant cross-range images by two antenna which are placed on one level, adding the range between the two radar and the range of the target, and then absolute cross ranges of some dominant scatters are obtained. We apply the proposed algorithm to the emulational data of two antennae. The processing results show that the proposed method is correct and effective." @default.
- W2092241372 created "2016-06-24" @default.
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- W2092241372 date "2000-08-24" @default.
- W2092241372 modified "2023-09-22" @default.
- W2092241372 title "<title>New method of cross-range scaling of low-resolution radar</title>" @default.
- W2092241372 doi "https://doi.org/10.1117/12.396361" @default.
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