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- W4254053313 abstract "To this point, the discussion has dealt with physical antennas. Real beamforming uses samples collected at one point in time. Resolution and beam shape are limited by the size of the antenna and the number of elements. Real antenna angular resolutions are on the order of 1°, so resolution at 50 km is almost 1 km which is too large for many purposes. The array concept may be extended to arrays that are synthetic. Figure 3.1 illustrates such an arrangement. Synthetic arrays create the effect of a very long antenna with very small azimuth resolution by coherently combining data from a relatively short antenna which occupies multiple positions sequentially. Usually, but not necessarily, it operates in continuous motion. Target motion during data collection will degrade the image." @default.
- W4254053313 created "2022-05-12" @default.
- W4254053313 date "2020-11-15" @default.
- W4254053313 modified "2023-09-23" @default.
- W4254053313 title "Synthetic arrays" @default.
- W4254053313 doi "https://doi.org/10.1049/sbra526e_ch3" @default.
- W4254053313 hasPublicationYear "2020" @default.
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