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<blockquote data-quote="Frank Koenig" data-source="post: 147941" data-attributes="member: 416"><p>Re: FIR filters</p><p></p><p></p><p></p><p>Thank you for this. I've computed instantaneous frequency, out of curiosity, but have had a hard time understanding it or seeing what it's good for. This gives me something to go on.</p><p></p><p>Sorry I misunderstood which window you were referring to. I can vary the width of the window to trade off time and frequency resolution. What's used here is a somwhat arbitrary compromise.</p><p></p><p>Best,</p><p></p><p>--Frank</p><p></p><p>PS: Now I'm confused. The TFE ridge looks to me like a function of frequency. The instantaneous frequency is a function of time. I better just have another cup of coffee and calm down a little. -F</p></blockquote><p></p>
[QUOTE="Frank Koenig, post: 147941, member: 416"] Re: FIR filters Thank you for this. I've computed instantaneous frequency, out of curiosity, but have had a hard time understanding it or seeing what it's good for. This gives me something to go on. Sorry I misunderstood which window you were referring to. I can vary the width of the window to trade off time and frequency resolution. What's used here is a somwhat arbitrary compromise. Best, --Frank PS: Now I'm confused. The TFE ridge looks to me like a function of frequency. The instantaneous frequency is a function of time. I better just have another cup of coffee and calm down a little. -F [/QUOTE]
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