Question

(7.5%) When causal filters are used in real-time signal processing, the output signal always lags the input signal. If the signal is recorded for later off-line filtering, then one simple appronch to eliminate this lag problem is: (i) filter the signal and record its response;) filter the recorded response backwards using the same filter; and (iii) store the resulting response backwards. Let the filter be a causal single pole filter 4. 0

answer question(c) only

Answer 1

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