If h(n) is the real valued impulse response sequence of an LTI system, – McqOptions

MCQOPTIONS

1.	If h(n) is the real valued impulse response sequence of an LTI system, then what is the phase of H( ) in terms of HR( ) and HI( )?
A.	(tan^{-1} frac{H_R ( )}{H_I ( )} )
B.	(tan^{-1} frac{H_R ( )}{H_I ( )} )
C.	(tan^{-1} frac{H_I ( )}{H_R ( )} )
D.	(tan^{-1} frac{H_I ( )}{H_R ( )} )
Answer» D. (tan^{-1} frac{H_I ( )}{H_R ( )} )

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