Suppose that you have used the parks-McClellan algorithm to design a causal FIR linear-phase system. The system
Question:
Suppose that you have used the parks-McClellan algorithm to design a causal FIR linear-phase system. The system function of this system is denoted H(z). The length of the impulse response is 25 samples, h[n] = 0 for n < 0 and for n > 24, and h[0] ≠ 0. For each of the following questions, answer “true”, “false”, or insufficient information given”;
(a) h[n + 12] = h[12 – n] or h[n + 12] = − h[12 – n] for −∞ < n < ∞.
(b) The system has a stable and causal inverse,
(c) We know that H(−1) = 0.
(d) The maximum weighted approximation error is the same in all approximation bands.
(e) The system can be implemented by a signal flow graph that has no feedback paths.
(f) The group delay is positive for 0 < ω < π.
Step by Step Answer:
a b c d e f We have an odd l...View the full answer
Discrete Time Signal Processing
ISBN: 978-0137549207
2nd Edition
Authors: Alan V. Oppenheim, Rolan W. Schafer
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