This is from 3hat.c -- C code, but you get the idea:
A[i] = sqrt( (0 + SQUARE(AB[i]) - SQUARE(BC[i]) + SQUARE(AC[i])) / 2.0
);
B[i] = sqrt( (0 + SQUARE(AB[i]) + SQUARE(BC[i]) - SQUARE(AC[i])) / 2.0
);
C[i] = sqrt( (0 - SQUARE(AB[i]) + SQUARE(BC[i]) + SQUARE(AC[i])) / 2.0
);
And watch out for negative square roots.
/tvb
----- Original Message -----
From: "Martyn Smith" <[email protected]>
To: <[email protected]>
Sent: Tuesday, August 25, 2015 9:36 AM
Subject: [time-nuts] 3 corner hat for phase noise
>
> Hello,
>
> Does anyone have an EXCEL spreadsheet that calculates the individual phase
> noise of 3 oscillators when they are compared against each other, e.g A vs
> B, A vs C, B vs C.
>
> I.e the 3 corner hat technique.
>
> I do have a Timepod and I thought Timelab could do that, have haven't found
> how to do that.
>
> Regards
>
> Martyn
>
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