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Phase shift keying receiver and method for correcting amplitude and phase imbalance
Phase shift keying receiver and method for correcting amplitude and phase imbalance
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机译:相移键控接收机和校正幅度和相位不平衡的方法
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摘要
The present invention involves a system (61) for balancing a signal having I and Q components (63I, 63Q), characterized in that the system comprises: means for cross correlating (75) the I and Q components (63I, 63Q) to produce a cross correlation product (77); means for adjusting (93I, 93Q) a gain of each I and Q component (63I, 63Q) in accordance with said cross correlation product (77); and means for adding (69I, 69Q) the I component (63I) with an adjusted Q component (95I), and the Q component (63Q) with an adjusted I component (95Q) to produce a phase-balanced signal (73I, 73Q).
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