if you used a value smaller than 1 it will be a decimator
--- On Thu, 7/23/09, Karthik <[email protected]> wrote: From: Karthik <[email protected]> Subject: [Discuss-gnuradio] gr_fractional_interpolator interpolation ratio To: "GNURadio Discussion List" <[email protected]> Date: Thursday, July 23, 2009, 4:22 AM This might be a silly question. But here goes ... In gr_fractional_interpolator_ff I observed that to make the filter interpolate between input values you have to set the interpolation ratio < 1 and this is because the block has this line in the code "set_relative_rate (1.0 / interp_ratio)". I always thought for a block named interpolator a value of interpolation_ratio > 1 would be understood as increasing the sampling rate by that factor. Is this not correct? Karthik -----Inline Attachment Follows----- _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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