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�������պ����ѧѧ�� 2010, Vol. 36 Issue (2) :180-183    DOI:
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Radar altimeter alarm signal testing approach based on data fitting
Wang Weibin, Lu Hui, Lang Rongling*
School of Electronics and Information Engineering, Beijing University of Aeronautics and Astronautics, Beijing 100191, China

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Abstract�� The radar altimeter auto test system and the original test method were introduced, and the disadvantage that this method is inefficient was brought forward. The method of radar altimeter sensitivity testing using dichotomy method, which was used to improve the efficiency of radar altimeter sensitivity testing, was proposed. The test result and test flow were presented. Using this method a few stimulating and output voltage data were used to fitting the relation function, which was used to calculate the begin stimulate voltage, and then adjust the stimulate voltage with small voltage to test alarm signal precisely. According to the test result, the conclusion can be reached that the optimized method can be much more efficient while the testing precise of the sensitivity is the same.
Keywords�� least squares approximations   data handling   radar   automatic testing     
Received 2009-01-12;


About author: ��ΰ��(1981-),��,ɽ���Ͳ���,��ʿ��,wwb@ee.buaa.edu.cn.
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Wang Weibin, Lu Hui, Lang Rongling.Radar altimeter alarm signal testing approach based on data fitting[J]  JOURNAL OF BEIJING UNIVERSITY OF AERONAUTICS AND A, 2010,V36(2): 180-183
http://bhxb.buaa.edu.cn//CN/     ��     http://bhxb.buaa.edu.cn//CN/Y2010/V36/I2/180
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