A method is presented for analyzing the performance of narrow-band random processwhich have been transmitted through a memoryless nonlinear channelin the presenceof linear interference. The theory is applied to the problem of evaluating the meansignal and inphase and quadrature noise correlation function at output of amplifiernonlinearity exhibiting arbitrary AM to AM and AM to PM conversion. The resultsdeveloped is accompanied by symbol error performance of practical PSK transmissionsystem including nonlinear amplifier with AM to PM conversion.
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