| 车载MTD搜索雷达多普勒频率补偿方法 |
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| 引用本文： | 于贵龙,张春荣.车载MTD搜索雷达多普勒频率补偿方法[J].火控雷达技术,2009,38(1):59-61. |
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| 作者姓名： | 于贵龙 张春荣 |
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| 作者单位： | 西安电子工程研究所,西安,710100 |
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| 摘 要： | 车载MTD搜索雷达行进间工作时，车体运动产生的多普勒频率使地物杂波频谱偏离零频位置，导致在MTD处理时地物杂波抑制性能变差，降低了雷达在杂波背景下的目标检测能力。该方法通过计算车体运动在地物回波中产生的多普勒频率，把车体运动多普勒频率计算值与相参基准信号频率叠加，输出多普勒频率叠加后的相参基准信号到接收机。在接收机中，多普勒频率叠加后的相参基准信号与中频信号混频，输出多普勒频率补偿后的相参视频信号，从而解决了车体运动对MTD处理的影响。
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| 关 键 词： | 车载搜索雷达 MTD处理 行进间工作 多普勒频率补偿 |
Doppler Frequency Compensation of Vehicular MTD Search Radar |
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| Yu Guilong,Zhang Chunrong.Doppler Frequency Compensation of Vehicular MTD Search Radar[J].Fire Control Radar Technology,2009,38(1):59-61. |
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| Authors: | Yu Guilong Zhang Chunrong |
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| Affiliation: | ( Xi＇an Electronic Engineering Research Institute, Xi ＇an 710100) |
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| Abstract: | When a vehicular MTD search radar is searching on move,ground clutter spectrum will deviate from zero frequency point due to Doppler frequency caused by movement of vehicle;therefore during MTD processing,ground clutter suppression performance and target detection capability of radar under clutter background will both decrease.A method to solve impact of movement on MTD processing is proposed,that is,to work out Doppler frequency of ground clutter caused by movement of vehicle,and overlap this frequency ont... |
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| Keywords: | vehicular search radar MTD processing search on move Doppler frequency compensation |
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