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�������պ����ѧѧ�� 2008, Vol. 34 Issue (09) :1020-1023    DOI:
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8��mm���ζ�ά�ۺϿ׾�΢�������(BHU-2D)
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8��mm band 2-dimensional synthetic aperture microwave radiometer (BHU-2D)
Xue Yong, Miao Jungang, Wan Guolong*
School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� The imaging principle, system structure and characteristics, calibration approach, several imaging experiments and imaging results of 2-dimensional synthetic aperture microwave radiometer BHU-2D (BeiHang University 2-Dimensional) were presented. BHU-2D operates at 8��mm wave band and has 10 receiving channels. The antenna array of BHU-2D is T-shape; receivers- configuration is super heterodyne and has two down converters. I/Q demodulation and correlation of BHU-2D were carried out with digital method and by software; the channel unbalance, correlation bias and aliasing errors were calibrated with radiated point source and background drop inversion algorithm. At present, BHU-2D was accomplished and has been undergoing testing and imaging experiments, and the radiometric brightness distribution images of man-made scenes and the person in lab were obtained.
Keywords�� microwave radiometer   2-dimensional synthetic aperture   8�Bmm wave band   BHU-2D     
Received 2007-08-16;
Fund:

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About author: Ѧ ��(1983��),��,����������,��ʿ��,xueyong992708@163.com.
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Ѧ��,�翡��,�����.8��mm���ζ�ά�ۺϿ׾�΢�������(BHU-2D)[J]  �������պ����ѧѧ��, 2008,V34(09): 1020-1023
Xue Yong, Miao Jungang, Wan Guolong.8��mm band 2-dimensional synthetic aperture microwave radiometer (BHU-2D)[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2008,V34(09): 1020-1023
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