Superconducting Narrowband Filter for Receiver of Weather Radar
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概要
- 論文の詳細を見る
We have developed a high-temperature superconducting (HTS) filter with narrow bandwidth characteristic for receiver of weather radar in order to reduce interference between adjacent radar channels. To realize a filter with which a narrow bandwidth and low insertion loss are compatible, resonators with high unloaded Q (Qu) value are required. Hairpin microstrip resonators with 1.5 times wavelength were adopted to suppress the radiation loss and achieve a high Qu value. The developed HTS filter has 8-pole quasi-elliptic function response for sharp skirt characteristic. The measured frequency response of the developed filter shows center frequency of 5370MHz, insertion loss of 2.04dB and maximum return loss of 15dB, which agrees with the designed responses.
- (社)電子情報通信学会の論文
- 2009-03-01
著者
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Kayano Hiroyuki
Toshiba Research and Development Center
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Nakayama Kohei
Toshiba Corporation
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Kayano Hiroyuki
Toshiba Corporation
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Hashimoto Tatsunori
Toshiba Corporation
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KAWAGUCHI Tamio
Toshiba Corporation
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SHIOKAWA Noritsugu
Toshiba Corporation
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WATANABE Takatoshi
Toshiba Corporation
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- Superconducting Narrowband Filter for Receiver of Weather Radar