Abstract
We proposed to use the possibility of recognition of the targets on background of the scattering from the surface, weather objects with the help of polarimetric 3-cm radar. It has been investigated such polarization characteristics: the amplitudes of the polarization matrix elements; an anisotropy coefficient; depolarization coefficient; asymmetry coefficient; the energy of a backscattering signal; object shape factor. The inaccuracy of the measurement of the object backscattering cross-section was less than 1 dB at ranges up to 15 km and less than 1.5 dB at ranges up to 100 km. During the experiments urban objects and 6 various ships of small displacement having the closest values of the backscattering cross-section were used. The analysis has shown: the factor of the polarization selection for anisotropy objects and weather objects had the values about 0.02-0.08. Isotropy objects had the values of polarimetric correlation factor for hydrometers about 0.7-0.8, for earth surface about 0.8-0.9, for sea surface -from 0.33 to 0.7. The results of the work of recognition algorithm of a class `concrete objects', and `metal objects' are submitted as example in the paper. The results of experiments have shown that the probability of correct recognition of the identified objects was in the limits from 0.93 to 0.97.
| Original language | American English |
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| Pages | 482-492 |
| Number of pages | 11 |
| State | Published - 1 Dec 1999 |
| Event | Proceedings of SPIE - The International Society for Optical Engineering - Duration: 31 Aug 2007 → … |
Conference
| Conference | Proceedings of SPIE - The International Society for Optical Engineering |
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| Period | 31/08/07 → … |