Radio Frequency Energy Harvesting System Making Use of 180° Hybrid Couplers and Multiple Antennas to Improve the DC Output Voltage
2019 ◽
Vol 28
(03)
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pp. 1950048
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Keyword(s):
2013 ◽
Vol 13
(1)
◽
pp. 27-32
2013 ◽
Vol 7
(15)
◽
pp. 1254-1263
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Keyword(s):