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 Bryan_6554 #1 Posted : Sunday, June 27, 2021 9:45:55 PM Rank: NewbieGroups: Registered Joined: 4/27/2021Posts: 0Thanks: 0 timesWas thanked: 0 time(s) in 0 post(s) Hey Forum, I was looking over my notes and noticed that the beat frequency equation is different from the one I previously learned. I've known it as fbeat = |f2-f1|, but it's written as fbeat = |f1-f2|. Is this to compensate for the +/- frequency when solving for either f2 or f1?Warm regards, Bryan Back to top User Profile
 INSTR_Katrina_128 #2 Posted : Tuesday, June 29, 2021 4:59:12 PM Rank: Advanced MemberGroups: Registered Joined: 5/18/2021Posts: 73Thanks: 0 timesWas thanked: 0 time(s) in 0 post(s) Hi Bryan,Yes.But, notice the absolute value signs (the vertical bars)? Thus, it doesn't matter the order in which the math is done.So if we say that f1 = 100 Hz and f2 = 110 Hz,Then, f1 - f2 or f2 - f1 will result in -10 Hz and 10 Hz, respectively, and |f1 - f2| and |f2 - f1| are BOTH equal to 10 Hz. So, the equations are the same thing! ðŸ˜€Overall, the beat frequency formula tells you the MAGNITUDE (or the +/-, like that said). Back to top User Profile
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