Re: chirp function
- To: mathgroup at smc.vnet.net
- Subject: [mg81084] Re: [mg81069] chirp function
- From: Murray Eisenberg <murray at math.umass.edu>
- Date: Tue, 11 Sep 2007 05:23:21 -0400 (EDT)
- Organization: Mathematics & Statistics, Univ. of Mass./Amherst
- References: <200709102254.SAA14687@smc.vnet.net>
- Reply-to: murray at math.umass.edu
"Chirp" is unknown to Mathematica. ??? There is Beep[] in Mathematica 6. (And about time!) Will Robertson wrote: > Hello, > > It surprised me that there isn't a chirp signal in mathematica. Here's > one: > > LinearChirp[time t, frequency gradient kf] > returns the linear chirp output at time t with frequency increase per > second kf > LinearChirp[time t, initial frequency f0, final time t1, final > frequency f1] > returns the linear chirp output at time t with initial frequency f0 > and frequency f1 at time t1 > > LinearChirp[t_, fi_, tf_, ff_] := Sin[2 \[Pi] t (fi + (ff - fi)/tf t/ > 2)] > LinearChirp[t_, kf_] := Chirp[t, 0, 1, kf] > > Hope this helps, > Will > > -- Murray Eisenberg murray at math.umass.edu Mathematics & Statistics Dept. Lederle Graduate Research Tower phone 413 549-1020 (H) University of Massachusetts 413 545-2859 (W) 710 North Pleasant Street fax 413 545-1801 Amherst, MA 01003-9305
- References:
- chirp function
- From: Will Robertson <wspr81@gmail.com>
- chirp function