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Effect of Temperature on Electromagnetic Performance of Active Phased Array Antenna
Wang, Yan Wang, Congsi Lian, Peiyuan Xue, Sone Liu, Jing Gao, Wei Shi, Yu Wang, Zhihai Yu, Kunpeng Peng, Xuelin
Wang, Yan
Wang, Congsi
Lian, Peiyuan
Xue, Sone
Liu, Jing
Gao, Wei
Shi, Yu
Wang, Zhihai
Yu, Kunpeng
Peng, Xuelin
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Abstract
Active phased array antennas (APAAs) can suffer from the effects of harsh thermal environments, which are caused by the large quantity of power generated by densely packed T/R modules and external thermal impacts. The situation may be worse in the case of limited room and severe thermal loads, due to heat radiation and a low temperature sink. The temperature field of the antenna can be changed. Since large numbers of temperature-sensitive electronic components exist in T/R modules, excitation current output can be significantly affected and the electromagnetic performance of APAAs can be seriously degraded. However, due to a lack of quantitative analysis, it is difficult to directly estimate the effect of temperature on the electromagnetic performance of APAAs. Therefore, this study investigated the electromagnetic performance of APAAs as affected by two key factors—the uniformly distributed temperature field and the temperature gradient field—based on different antenna shapes and sizes, to provide theoretical guidance for their thermal design.
Citation
Wang, Y., Wang, C., Lian, P., Xue, S., Liu, J., Gao, W., . . . Xiao, S. (2020). Effect of temperature on electromagnetic performance of active phased array antenna. Electronics (Basel), 9(8), 1211. doi:10.3390/electronics9081211
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MDPI
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Electronics
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2079-9292