For a Linear Phase FIR filter, if Phase Value =-2w, Then what would be the order of filter ?Select one:Order = 4Order = 2Order = 3Order = 5
Question
For a Linear Phase FIR filter, if
Phase Value = -2w, Then what would be the order of filter ?
Select one:
- Order = 4
- Order = 2
- Order = 3
- Order = 5
Solution
To determine the order of a Linear Phase FIR filter, we need to analyze the given phase value. In this case, the phase value is -2w.
The phase value of a Linear Phase FIR filter is given by the equation: Phase Value = -2πfk, where f is the frequency and k is the filter order.
Comparing this equation with the given phase value, we can see that the coefficient of w is -2.
Therefore, the order of the filter is equal to the absolute value of the coefficient of w, which is 2.
Hence, the correct answer is: Order = 2.
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