From 41ad0a518ef8a72476f70840ab3db7f3b443ab26 Mon Sep 17 00:00:00 2001 From: "Matthias P. Braendli" Date: Fri, 20 Mar 2015 08:22:54 +0100 Subject: scenarios: describe firfilter better --- scenarios.tex | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) (limited to 'scenarios.tex') diff --git a/scenarios.tex b/scenarios.tex index 2648ac1..a841035 100644 --- a/scenarios.tex +++ b/scenarios.tex @@ -62,7 +62,7 @@ gainmode=2 digital_gain=0.8 [firfilter] -enabled=1 +enabled=0 filtertapsfile=simple_taps.txt [output] @@ -86,8 +86,11 @@ This example also shows more options that the example for the file output: overshoots in the output. \item \texttt{digital\_gain=0.8} reduces the output sample deviation, to reduce compression in the USRP. - \item \texttt{firfilter enabled=1} enables an additional FIR filter to - improve the spectrum mask. + \item \texttt{firfilter enabled=0} can be set to 1 to enable an additional + FIR filter to improve the spectrum mask. This filter needs a file + containing the filter taps, which can be generated using + \texttt{ODR-DabMux/doc/fir-filter/generate-filter.py}. An example taps + file is also available in this folder. \item \texttt{master\_clock\_rate=32768000} sets the USRP internal clock to a multiple of $2048000$, which is required if we want to use the native DAB sample rate. -- cgit v1.2.3