发明名称 |
Signal processing circuit for communicating with a modular mobile satellite terminal and method therefor |
摘要 |
A signal processing circuit for satellite communications signal includes a first one dimensional digital beam forming circuit for forming a beam signal in a first direction and a second one dimensional digital beam forming circuit for forming a beam in a second direction. A direction filtering circuit is coupled between the first one dimensional digital beam forming circuit and the second one dimensional digital beam forming circuit. The filtering circuit determining a communications signal direction of the satellite communications signal and tunes the filter to reduce a filter bandwidth and a frequency range of said beam signal prior to processing through the second one dimensional digital beam forming circuit.
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申请公布号 |
US6667715(B1) |
申请公布日期 |
2003.12.23 |
申请号 |
US19990376941 |
申请日期 |
1999.08.18 |
申请人 |
HUGHES ELECTRONICS CORPORATION |
发明人 |
CHANG DONALD C. D.;VON DER EMBSE URBAN A.;YUNG KAR W.;NOVAK, III JOHN I. |
分类号 |
H04B7/185;(IPC1-7):H01Q3/22;H01Q3/24;H01Q3/26 |
主分类号 |
H04B7/185 |
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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