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广义MUSIC算法在米波雷达测高中的应用及其改进 预览 被引量:11

Altitude Measurement of Meter-Wave Radar Using the General MUSIC Algorithm and Its Improvement
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摘要 米波雷达波束较宽,多径信号的存在将会给雷达测高带来严重影响,并且多径信号与直达波信号是相干的,这就造成米波雷达测高比较困难。由于广义MUSIC算法为能直接处理相干信号的阵列超分辨算法,因此可以将该算法应用于米波雷达测高当巾。该文在广义MUSIC算法的基础上,结合雷达测高的一些特点,提出一种新的算法。新算法不但降低了运算量,而且还具有良好的性能。计算机仿真结果证实了新算法的优越性。 The beam of meter-wave radar is rather board, the exist of multi-path signals coherent with the direct arrival signal will cause badly affect to the altitude measurement, so it is more difficult for meter-wave radar to measure the altitude of the target. The general MUSIC algorithm is a super-resolution algorithm that can handle coherent signals, so it can be used in the height-finding of meter-wave radar. Based on the general MUSIC algorithm, a new algorithm for altitude measurement in the height-finding environment is presented. The new algorithm not only has a low computation complexity, but also has a good performance. Computer simulation results demonstrate the merits of the new algorithm.
作者 张文俊 赵永波 张守宏 Zhang Wen-jun ,Zhao Yong-bo ,Zhang Shou-hong (National Key Lab of Radar Signal Processing, Xidian University, Xi'an 710071, China)
出处 《电子与信息学报》 EI CSCD 北大核心 2007年第2期 387-390,共4页 Journal of Electronics & Information Technology
关键词 广义MUSIC算法 波达方向 相干源 米波雷达 测高 General MUSIC algorithm Direction-of-arrival Coherent source Meter-wave radar Height-finding
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参考文献5

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