Dear Bala, To cite the email you replied to:
> When replying, please edit your Subject line so it is more specific > than "Re: Contents of Discuss-gnuradio digest..." I'd generally recommend you don't reply to the digest, but change your subscription so you get the emails inidividually! > What does threshold block does. If, i give constant source of amp=1 > and set threshold low=-1 and high=-2. The output is still 1. I cant > understand what the threshold block used for. Can anyone explain. > Thank you The Threshold block generates 0 or 1. If your current output state is 1, then your input must be below the "low" value to change to state 0. If your current output state is 0, then your input must be above the "high" value to change to state 0. Since your input is > high all the time, your output is always 1. This is the behaviour of a Schmitt Trigger[1]. Best regards, Marcus [1] https://en.wikipedia.org/wiki/Schmitt_trigger On 20.08.2016 18:07, bala vishnu wrote: > What does threshold block does. If, i give constant source of amp=1 > and set threshold low=-1 and high=-2. The output is still 1. I cant > understand what the threshold block used for. Can anyone explain. > Thank you > > > On Sat, Aug 20, 2016 at 9:30 PM, <[email protected] > <mailto:[email protected]>> wrote: > > Send Discuss-gnuradio mailing list submissions to > [email protected] <mailto:[email protected]> > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio> > or, via email, send a message with subject or body 'help' to > [email protected] > <mailto:[email protected]> > > You can reach the person managing the list at > [email protected] > <mailto:[email protected]> > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Discuss-gnuradio digest..." > > > Today's Topics: > > 1. Re: [USRP-users] Is there any gnuradio block that will repeat > two file sources a fixed number of times and is variable? > (Chris Kuethe) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 19 Aug 2016 10:56:21 -0700 > From: Chris Kuethe <[email protected] > <mailto:[email protected]>> > To: Martin Braun <[email protected] > <mailto:[email protected]>> > Cc: "[email protected] > <mailto:[email protected]>" <[email protected] > <mailto:[email protected]>>, > "[email protected] > <mailto:[email protected]>" <[email protected] > <mailto:[email protected]>> > Subject: Re: [Discuss-gnuradio] [USRP-users] Is there any gnuradio > block that will repeat two file sources a fixed number of > times and is > variable? > Message-ID: > > <CAGHP0pK=OTgDFtUAqgSKBGv_bz3h4=qfk9rhwdnqcoam-t1...@mail.gmail.com > <mailto:[email protected]>> > Content-Type: text/plain; charset="utf-8" > > You could use a "python block" or "python module" block to build an > appropriate replay block. > > On Thu, Aug 18, 2016 at 1:24 PM, Martin Braun via USRP-users < > [email protected] <mailto:[email protected]>> wrote: > > > Craig, > > > > you might just want to read the files into Python and then use > vector > > sources to generate any kind of signal you like. > > > > Cheers, > > M > > > > On 08/18/2016 07:49 AM, Swanson, Craig wrote: > > > ?Marcus, > > > > > > I have two file sources: pulse and no pulse (noise) > > > > > > > > > I want to use an interleaver to send a pulse file and then > after that > > > just noise. > > > > > > But the interleaver will alternate file sources evenly. > > > > > > > > > I want to setup a parameter that allows the combination to > vary. Maybe > > > one time send five pulses, then three no pulses. Then when I > run the > > > python file again, send two pulses alternating with five no > pulses. > > > > > > > > > Do you have a block like that? > > > > > > > > > Craig > > > > > > > > > *Craig F. Swanson* > > > */Research Engineer II > > > /* > > > */Information and Communications Laboratory/* > > > */Communications, Systems, and Spectrum Division/* > > > /Georgia Tech Research Institute/ > > > /Room 560 > > > 250 14th St NW > > > / > > > /Atlanta, GA 30318/ > > > /Cell: 770.298.9156/ > > > http://www.gtri.gatech.edu > > > <https://mail.gtri.gatech.edu/owa/redir.aspx?C= > <https://mail.gtri.gatech.edu/owa/redir.aspx?C=> > > > c20925f2f0af4dd29329ddf0701ecfff&URL=http%3a%2f%2fwww.gtri.gatech.edu > <http://2fwww.gtri.gatech.edu>%2f> > > > > > > > > > _______________________________________________ > > USRP-users mailing list > > [email protected] <mailto:[email protected]> > > > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > <http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com> > > > > > > -- > GDB has a 'break' feature; why doesn't it have 'fix' too? > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > > <http://lists.gnu.org/archive/html/discuss-gnuradio/attachments/20160819/9fb4d994/attachment.html > > <http://lists.gnu.org/archive/html/discuss-gnuradio/attachments/20160819/9fb4d994/attachment.html>> > > ------------------------------ > > Subject: Digest Footer > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] <mailto:[email protected]> > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio > <https://lists.gnu.org/mailman/listinfo/discuss-gnuradio> > > > ------------------------------ > > End of Discuss-gnuradio Digest, Vol 165, Issue 21 > ************************************************* > > > > > -- > With regards, > Bala vishnu.J, > Teaching Fellow, > Dept of Electronics and Communication Engineering, > Anna University(CEG), > Chennai-600025. > > > _______________________________________________ > Discuss-gnuradio mailing list > [email protected] > https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
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