Title:
受信回路及びアダプティブアレイアンテナシステム
Document Type and Number:
Japanese Patent JP3597101
Kind Code:
B2
Abstract:
A reception circuit includes a reception section and control section. The reception section performs frequency conversion of an input signal by using a local frequency signal generated by phase comparing operation. The control section removes a passing phase error, added in the reception section, on the basis of a phase comparison signal output from the reception section. An adaptive array antenna system is also disclosed.
Inventors:
Yoshitaka Kawanabe
Application Number:
JP2000042458A
Publication Date:
December 02, 2004
Filing Date:
February 21, 2000
Export Citation:
Assignee:
Saitama NEC Corporation
International Classes:
H01Q3/26; H01Q3/30; H01Q3/42; H03L7/08; H04B1/26; H04B7/08; H04B7/10; (IPC1-7): H01Q3/26; H03L7/08; H04B1/26; H04B7/08; H04B7/10
Domestic Patent References:
| JP11068443A | ||||
| JP11125669A | ||||
| JP5191128A | ||||
| JP2288602A |
Attorney, Agent or Firm:
Yuji Katsuragi