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1. |
If hlp(n) denotes the impulse response of a low pass filter with frequency response Hlp( ), then what is the frequency response of the high pass filter in terms of Hlp( )? |
A. | H<sub>lp</sub>( - /2) |
B. | H<sub>lp</sub>( + /2) |
C. | H<sub>lp</sub>( - ) |
D. | H<sub>lp</sub>( + ) |
Answer» D. H<sub>lp</sub>( + ) | |