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<blockquote data-quote="Mark DeArman" data-source="post: 147940" data-attributes="member: 950"><p>Re: FIR filters</p><p></p><p></p><p></p><p>It's not the window you removed in the time domain, but the window which is the kernel of the transform. I didn't fully explain, but it looks low compared to even a Spectrogram.</p><p></p><p></p><p></p><p>The ridge should be concentrated along the instantaneous frequency, which is the first derivative of the analytic signal phase.</p><p></p><p>I too am happy for this thread, because it's making me want to play with all this stuff again! I haven't got to work with an arbitrary FIR correction filter since 2006. Now there seems to be lots of software out there and I have some DSPs which support this, that I don't have to program via JTAG.</p></blockquote><p></p>
[QUOTE="Mark DeArman, post: 147940, member: 950"] Re: FIR filters It's not the window you removed in the time domain, but the window which is the kernel of the transform. I didn't fully explain, but it looks low compared to even a Spectrogram. The ridge should be concentrated along the instantaneous frequency, which is the first derivative of the analytic signal phase. I too am happy for this thread, because it's making me want to play with all this stuff again! I haven't got to work with an arbitrary FIR correction filter since 2006. Now there seems to be lots of software out there and I have some DSPs which support this, that I don't have to program via JTAG. [/QUOTE]
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