digital_comms_IQ_Sampling | Desmos

Expression 3: "f" left parenthesis, "t" , right parenthesis equals "I" times cosine left parenthesis, "t" , right parenthesis plus "Q" times sine left parenthesis, "t" , right parenthesis Has graph. To audio trace, press ALT+T.

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Expression 4: "f" Subscript, 1 , Baseline left parenthesis, "t" , right parenthesis equals "I" times cosine left parenthesis, "t" , right parenthesis

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Expression 5: "f" Subscript, 2 , Baseline left parenthesis, "t" , right parenthesis equals "Q" times cosine left parenthesis, "t" , right parenthesis

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