multi-rate filter design

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Multirate system
Input digital signal x(n) x(n) fs=F0 w(k)
f s = F0 1 M
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Subsystem 1

Subsystem K
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y(m)
f s = F0 1 K M M
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Output digital signal y(m)
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K

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Multiplication

Analog signal

Impulse train Important parameter T

Software Radios 3. Multirate signal processing

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Discrete signal

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Convolution

Analog signal Important parameter fmax
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Impulse train

Software