phase error correction

[sonam_ragipani]

hi,

I want to find frequency by using phase of the signal.But, if the phase has got an error of suppose +2degrees, I am detecting a phase of 359 deg as 1 deg. how to resolve this issue. can someone please help me.

 

[BradtheRad]

I want to find frequency by using phase of the signal.

The closest thing I can picture...

Is to (a) sample however much of the waveform you can, then (b) apply some algorithm which finds how to match it to a sinewave at the correct frequency and phase.

There is an axiom that says if you draw three random points, there is one and only one circle which contains those points. I imagine the same applies to a sinewave, since it is closely related to a circle.

 

[weetabixharry]

if the phase has got an error of suppose +2degrees, I am detecting a phase of 359 deg as 1 deg.

Your question is not at all clear. Please attach your code so I can help you.