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phase measurement


From: Karen young
Subject: phase measurement
Date: Tue, 27 Dec 2022 11:49:10 -0500

Hi, 
Attached is the model I built for phase measurement.
Since the samp_rate (5M) is 8 times of signal source freq (625k),  the phase should be expected as shown in the table, while the measured phase is only correct when there is half cycle or full cycle delay. 
What can I do to make it correct?
Delay step Expected phase delay Measured phase delay
0 0 0
1 -0.79 -1.5
2 -1.57 -4.7
3 -2.36 -1.5
4 -3.14 -3.14
5 -3.93 -1.57
6 -4.71 -1.57
7 -5.5 -1.57
8 0 0

Thank you and best regards
Karen

Attachment: phase measurement.jpg
Description: JPEG image

Attachment: phaseCalculation1227a.grc
Description: Binary data


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