|Subject:||Re: different results in fft of an chirp in matlab and octave|
|Date:||Thu, 8 Mar 2018 06:40:52 +0100|
|User-agent:||Mozilla/5.0 (Windows NT 10.0; WOW64; rv:52.0) Gecko/20100101 Thunderbird/52.6.0|
for all the response.
I have tried to file a report but I have no account and I am an temporary user of octave.
Sorry, can someone post a bug report. I have used octave 4.2.1
Am 07.03.2018 um 22:33 schrieb Mike Miller:
On Wed, Mar 07, 2018 at 14:47:54 +0100, Dietmar Warning wrote:can anybody help me to find out why I get different results by plotting the fft results of a 800 ... 50kHz chirp Signal in matlab and octave. Please see the attached screenshots and the used script. It looks for me that the behaviour in low frequency end is more reasonable in matlab.Yes, this is likely an error in the Octave chirp function with the "logarithmic" option. It would be very helpful if you could file a bug with your example showing the difference at https://savannah.gnu.org/bugs/?group=octave&func=additem
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