发明名称 |
Traveling-wave combining array antenna apparatus |
摘要 |
A traveling-wave combining array antenna apparatus includes first and second traveling-wave array antennas. The first traveling-wave array antenna has a plurality of antenna elements provided at intervals along a first feeder line, and has a radiating directivity characteristic. The second traveling-wave array antenna has a plurality of antenna elements provided at intervals along a second feeder line, and has a main beam of a half-value width and a radiating directivity characteristic of a side lobe level lower than that of the first traveling-wave array antenna. A transmitting signal is split into two signals, feeding the signals to the first and second traveling-wave array antennas, which are provided so that a variation of main-beam radiating angle of electromagnetic wave of transmitting signal radiated from the first traveling-wave array antenna corresponding to a frequency change, and that of the second traveling-wave array antenna are substantially canceled by each other.
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申请公布号 |
US7091921(B2) |
申请公布日期 |
2006.08.15 |
申请号 |
US20050504995 |
申请日期 |
2005.02.25 |
申请人 |
MATSHUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
OHNO TAKESHI;TERAOKA TOSHIHIRO;OGAWA KOICHI;HIROKAWA JIRO |
分类号 |
H01Q13/10;H01Q13/20;H01Q13/28;H01Q21/00;H01Q21/06;H01Q21/08 |
主分类号 |
H01Q13/10 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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