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引用次数: 0
摘要
本文提出了一种实现低旁瓣电平的非等分功率系统的结构，并采用带有单脉冲比较器的分功率系统和两种类型的Vivaldi和贴片天线元件，得到了用于单脉冲跟踪应用的天线阵列。采用Taylor分频比非等功率分频系统(SLL= - 25dB, n=6)，在中心频率处采用Vivaldi天线单元的阵列天线辐射方向图的SLL为:- 24.1 dB (E面)，- 21 dB (H面)，采用贴片天线单元的阵列天线辐射方向图的SLL为:- 22 dB (E面)，- 24.4 dB (H面)。
Design of a monopulse array antenna with low sidelobe
This paper presents the structure of an unequal power division system to achieve a low sidelobe level and applies the power division system with monopulse comparator and two types of Vivaldi and patch antenna elements to obtain an antenna array for monopulse tracking application. The resulting SLL of radiation pattern of an array antenna using a Taylor divider ratio unequal power divider system (SLL= −25dB, n=6) with a Vivaldi antenna element at the center frequency is: −24.1 dB (E plane), −21 dB (H plane), and with patch antenna element is: −22 dB (E plane), −24.4 dB (H plane).
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