| X波段雷达自适应干扰对零系统 |
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| 引用本文： | 龚耀寰.X波段雷达自适应干扰对零系统[J].电子科技大学学报(社会科学版),1995(Z1). |
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| 作者姓名： | 龚耀寰 |
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| 作者单位： | 电子科技大学电子技术系 |
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| 基金项目： | 国防科技预研基金和电子部预研基金 |
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| 摘 要： | 描述了一个雷达自适应干扰对零阵列处理实验系统。该系统工作于Ｘ波段，采用ＦＭＣＷ体制，信号带宽为５００ＭＨｚ。Ｘ波段宽带ＦＭＣＷ信号由ＶＣＯ产生，经功放送发射天线及接收机。接收天线为四元阵。接收信号在接收机中变换成基带信号并由ＦＦＴ处理器进行频谱分析。不同目标距离对应于不同的基带信号频率。自适应阵列处理器对选定的距离单元进行干扰对零处理。所用算法为Ｇｒａｍ－Ｓｃｈｍｉｄｔ算法。文中还给出了系统的实验方法及实验结果。
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| 关 键 词： | 雷达 自适应干扰对零 自适应阵列 数字波束形成 线性调频连续波 |
A X-Band Radar Adaptive Interference Nulling System |
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| Gong Yaohuan.A X-Band Radar Adaptive Interference Nulling System[J].Journal of University of Electronic Science and Technology of China(Social Sciences Edition),1995(Z1). |
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| Authors: | Gong Yaohuan |
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| Abstract: | This paper describes an experimental radar adaptive nulling array processing system. Thesystem operates at X-bend,works with FMCW mode.The signal bandwidth is 500 MHz.A X-band VCOwhich has very low modulation nolinearity in the 500 MHz bandwidth is used for producing the FMCWsignal. The receiving antenna is a 4-element array. 4 receivers convert the echo signal into baseband.A FFTprocessor carries out the spectral analysis of the baseband signal,then the adaptive interfernce nulling is realized with respect to selected target ranges by Gram-Schmidt adaptive algorithm.The experimentalmethod and results are given in the paper. |
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| Keywords: | radar adaptive interference nulling adaptive array digital beamforming FMCW |
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