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METHOD AND APPARATUS FOR EXTRACTING THE QUADRATURE COMPONENT OF A COMPLEX SIGNAL FROM THE IN-PHASE COMPONENT AFTER BASEBAND DIGITIZING USING A COMPLEX TRANSFORM
METHOD AND APPARATUS FOR EXTRACTING THE QUADRATURE COMPONENT OF A COMPLEX SIGNAL FROM THE IN-PHASE COMPONENT AFTER BASEBAND DIGITIZING USING A COMPLEX TRANSFORM
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机译:使用复杂变换从基带数字化后从同相分量中提取复杂信号的正交分量的方法和装置
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摘要
A method and apparatus for a receiver system in a receiver that includes at least two front end branches, each branch having its own intermediate frequency (IF) mixer to shift a received signal to an IF. When receiving multiple independent signals, the signals are digitized and the receiver performs a digital complex transform on each signal to obtain the corresponding quadrature component. When receiving a single signal the signal is routed to two mixers that are 90 degrees out of phase to obtain the quadrature signal components in the analog section of the receiver.
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