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Chapter 5 Appendix
Sinθ = A/B or C/D, where θ = phase shift (in degrees) between the two signals.
From the formula above:
θ = ±arcsine (A/B) or ±arcsine (C/D)
θ must be in the range of (0~π/2) or (3π/2~2π) if the main axis of the ellipse is between I and
III quadrant .If the main axis is at II and IV quadrant, θ must be in the range of (π/2~π) or
(π~3π/2).
Hantek6102BE/Hantek6212BE User’s Manual 73
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