- The rctFilt object upsamples the input by a factor of sampsPerSym, which is 4.
- The d2 object upsamples that by a factor of the first argument, which is 2.

# What is the output sample rate of the below given code?

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### Answers (1)

Daniel
on 28 Jul 2023

Per the comments, the output sample rate is 4800, but the more important question would be what the upsampling ratio is.

Between those two stages you get an upsampling factor of 8, so the output frequency is 8x the input frequency.

The output is then truncated to the same length as the input, which corresponds to 1/8 of the timespan represented by the input.

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Daniel
on 31 Jul 2023

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