SATELLITE RECEIVER AND SATELLITE COMMUNICATION SYSTEM
A satellite receiver (1) includes: demultiplexing units (13a to 13d) each demultiplexing, into subchannel signals of a predetermined band, a digital reception signal obtained by converting a calibration signal received by a corresponding one of receiving antenna elements (11a to 11d) into a digital...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A satellite receiver (1) includes: demultiplexing units (13a to 13d) each demultiplexing, into subchannel signals of a predetermined band, a digital reception signal obtained by converting a calibration signal received by a corresponding one of receiving antenna elements (11a to 11d) into a digital signal; excitation coefficient multiplication units (21a to 21d) multiplying the subchannel signals by an excitation coefficient; a complex adder (23) adding the subchannel signals multiplied by the excitation coefficient together for each subchannel signal of the same band; a correlation detection unit (22) calculating, with the use of one demultiplexing unit as a reference demultiplexing unit, a cross-correlation value for each subchannel signal output from each demultiplexing unit different from the reference demultiplexing unit with respect to a subchannel signal of a same band output from the reference demultiplexing unit; and an excitation coefficient generation unit generating a corrected excitation coefficient that is an excitation coefficient by which the excitation coefficient multiplication units multiply the subchannel signals based on a cross-correlation value and an excitation coefficient created in advance. |
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