<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>Dear Aleksandra,</div><div><br></div>Frequency resolution is controled by the 'padratio' parameters. You may also enter your own array of frequencies. Time resolution is controled by the 'ntimesout' parameters. See help newtimef for more details.<div><br></div><div>Best,</div><div><br></div><div>Arno<div><br><div><div>On 27 Mar 2013, at 18:19, Makoto Miyakoshi wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">Dear Aleksandra,<div><br></div><div>For generating wavelet series, the current EEGLAB default uses dftfilt3(). Run this function as follows to see freqresol.</div><div><br></div><div>freqs = [3 100];</div><div>cycles = [3 0.9];</div>
<div>srate = 500;</div><div>[wavelet,cycles,freqresol,timeresol] = dftfilt3( freqs, cycles, srate);</div><div><br></div><div>This dftfilt3() was written by Rey Ramirez and he did a very good job. The calculation is very clear and straightforward.</div>
<div><br></div><div>Makoto</div><div><br><div class="gmail_quote">2013/3/26 Aleksandra Vuckovic <span dir="ltr"><<a href="mailto:Aleksandra.Vuckovic@glasgow.ac.uk" target="_blank">Aleksandra.Vuckovic@glasgow.ac.uk</a>></span><br>
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<div dir="ltr"><font color="#000000" face="Tahoma">Hi</font></div>
<div dir="ltr"><font face="tahoma">I suppose that this question has been already discussed, but I could not find it anywhere.</font></div>
<div dir="ltr"><font face="tahoma">When we calculate ERSP<a></a><a></a> using sinusoidal wavelets with 3 cycles at</font> the lowest frequency of 3Hz<a></a><a></a> what is time-frequency resolution going to higher frequencies.</div>
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<div dir="ltr"><font face="tahoma">Could you please give me the size of first several time-frequency windows?
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<div dir="ltr"><font face="tahoma">Many thanks,</font></div>
<div dir="ltr"><font face="tahoma">Aleksandra</font></div>
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-- <br>Makoto Miyakoshi<br>JSPS Postdoctral Fellow for Research Abroad<br>Swartz Center for Computational Neuroscience<br>Institute for Neural Computation, University of California San Diego<br>
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