Sidelobe Reduction of Monopulse Patterns Using Time Modulated Array Antenna

被引：0
|
作者：
Matsuki, Makoto [1 ]
Kihira, Kazunari [1 ]
Yamaguchi, Satoshi [1 ]
Otsuka, Masataka [1 ]
Miyashita, Hiroaki [1 ]
机构：
[1] Mitsubishi Electr Corp, 5-1-1 Ofuna, Kamakura, Kanagawa 2478501, Japan
来源：
2016 IEEE INTERNATIONAL SYMPOSIUM ON PHASED ARRAY SYSTEMS AND TECHNOLOGY (PAST) | 2016年
关键词：
phased array antenna; monopulse patterns; time modulated array antenna; phase shifter; sidelobe; BAND SUPPRESSION;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A low sidelobe level pattern in the phased array antenna is desired for radar systems. The phase shifter control type time modulated array antenna has been investigated to achieve ultra-low side lobe pattern. In this method, a desired pattern can be accomplished in a time average procedure by temporally controlling of each element phase. For angle tracking radar, application of time-modulated array antenna for mono-pulse antenna (sum pattern and difference pattern are formed) has been studied. In this paper, a sidelobe reduction method of mono-pulse pattern based on the time-modulated array and phase offset procedure is proposed. The proposed method does not require additional hardware for the conventional mono-pulse antennas. The effectiveness of the proposed technique is demonstrated by computer simulation.
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页数：5
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