I am working on the demo file:
gnuradio-examples/python/digital/benchmark_tx.py. In the file
transmit_path.py, it is said “specify bitrate. samples-per-symbol and
interp/decim will be derived.” How are interp/decim rate and
samples-per-symbol derived respectively? what is the range for the
variable interpolation rate? Is interpolation rate increased as a
multiple of 4? could anyone tell me where i can find the dynamical range
of interpolation rate?

Any help will be highly appreciated! Definitely appreciated! Thank
you!!!

I am working on the demo file:
gnuradio-examples/python/digital/benchmark_tx.py. In the file
transmit_path.py, it is said “specify bitrate. samples-per-symbol and
interp/decim will be derived.” How are interp/decim rate and
samples-per-symbol derived respectively? what is the range for the variable
interpolation rate? Is interpolation rate increased as a multiple of 4?
could anyone tell me where i can find the dynamical range of interpolation
rate?