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【摘 要】
：
In this paper,we report on several experimental characterizations of a quasi-optical spiral antenna coupled NbN hot electron bolometer(HEB)mixer.This superc
【机 构】
：
Purple Mountain Observatory,CAS,2 West Beijing Road,NanJing,China,210008
【出 处】
：
The 7th UK/Europe-China Workshop on Millimeter Waves and Ter
【发表日期】
：
2014年期
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