Magnitude response of Chebsev filter for Type1

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suresh
suresh 2012-7-30
sir,
i want to plot the magnitude response of chebsev filter for Type 1 for order 2,3,4 in a single plot for analysis purpose
Thanking you,
suresh s

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回答（1 个）

Wayne King
Wayne King 2012-7-30
You have not given us your desired peak-to-peak ripple or passband edge frequency or sampling frequency, but the general idea is something like this:
for orders = 2:4
[B{orders-1},A{orders-1}] = cheby1(orders,0.5,0.25);
end
fvtool(B{1},A{1},B{2},A{2},B{3},A{3})

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