For a Bode Approximation of a transfer function, H(s) described by: H(s) = 100s2

Question

For a Bode Approximation of a transfer function, H(s) described by: H(s) = 100s2 / (s + 4) (s2 + 10s + 400) The slope of each line at each break frequency can be described by all the statements below "except:" -40db perdecade @ 20 radians per second. +12db per octave @ 0 radians per second. -12db per octave @ 4 radians per second. -12db per octave @ 20 radians per second. Suppose the frequency response of a filter transfer function is given by the following equation, where w is the frequency and wc is the critical frequency. What type of filter is this? Low-pass High-pass Band-reject Band-pass Consider an FIR filter with the above impulse response. What is the group delay of the filter? 10 O 5 It varies with frequency Suppose the following non-causal filter is transformed to a causal filter. The group delay, as a function of frequency of the resulting filter, will be: H(z) = 0.075z3 + 0.16z2 + 0.23z+ 0.25 + 0.23z-1 + 0.16z-2 + 0.075z-3 1 2 3 It will not be a constant.

Explanation / Answer

1.b

2.b

3.d

4.c

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