Tk. Sarkar et B. Hu, GENERATION OF NONMINIMUM-PHASE FROM AMPLITUDE-ONLY DATA, IEEE transactions on microwave theory and techniques, 46(8), 1998, pp. 1079-1084
A method is presented for the generation of nonminimum phase from ampl
itude-only data. The nonminimum phase is generated utilizing the princ
iples of causality and the Hilbert transform. The application of the t
heory has been applied to some antenna radiation-power patterns and to
measured transfer functions of microwave filters to illustrate the ap
plicability of this approach.