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Two dimensional least redundant array for interferometric synthetic aperture radiometer
He BY(何宝宇); Wu J(吴季)
Department国家863计划微波遥感技术实验室
Source PublicationIgarss 2003: ieee international geoscience and remote sensing symposium, vols i - vii, proceedings - learning from earth's shapes and sizes
2003
Pages4371-4373
Language英语
ISBN0-7803-7929-2
AbstractSynthetic aperture radiometer applies the interferometric principle to sample in the spatial frequency domain and retrieve the image by. Fourier or other numeric transformation. Using this technology, a substantial reduction can be obtained compared to a conventional imaging radiometer. I this paper, the study on least redundant two-dimensional array configuration is presented with numerical simulation examples in two types of configurations. One uses half-circle configuration with least redundant number of elements and taking image I rotating the array. The other configuration selects element positions using simulated annealing around a full-circle to provide a roughly uniform distributed sampling coverage 1 two-dimensional spatial frequency domain. The results show that the number of elements left round the full circle can also reach the least redundant number, i.e. M = C-N(2), where N is the number antenna elements and M is the number of different baseline combinations, represent the maximum number of sampling points in the spatial frequency domain.
Keyword2d Synthetic Aperture Radiometer Thinned Array Simulated Annealing
Conference Name23rd International Geoscience and Remote Sensing Symposium (IGARSS 2003)
Conference Date2003
Conference PlaceToulouse, France
Indexed ByCPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/1726
Collection微波遥感部
Recommended Citation
GB/T 7714
He BY,Wu J. Two dimensional least redundant array for interferometric synthetic aperture radiometer[C]. NEW YORK:IEEE,2003:4371-4373.
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