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Phase unwrapping within COMSOL

Posted 21 ago 2024, 20:29 CEST RF & Microwave Engineering, Optimization Version 6.1 3 Replies

Paul Schmalenberg
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Hello,

Has anyone had success phase unwrapping within COMSOL? We can do so through livelink, but we would like to extract the adjoint sensitivities using a phase front profile as the goal, so unwrapping within COMSOL would be best. With it wrapped, this can play havoc with sensitivities near the phase jump.

3 Replies Last Post 3 gen 2025, 10:36 CET
Edgar J. Kaiser Certified Consultant
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Posted: 10 months ago 21 ago 2024, 21:03 CEST

You might consider to implement the algorithm you are using in Matlab into a Java method that runs inside COMSOL?

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Edgar J. Kaiser
emPhys Physical Technology
www.emphys.com
You might consider to implement the algorithm you are using in Matlab into a Java method that runs inside COMSOL?
Kristian Ejlebjærg Jensen COMSOL Employee

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Posted: 10 months ago 22 ago 2024, 08:44 CEST

Hi Paul

Does the application really involve phase changes larger than 2 pi?

Otherwise, you can just move the discontinuity somewhere that does not appear for your application.

Best regards,

Kristian E. Jensen

Technical Product Manager, Optimization

Hi Paul Does the application really involve phase changes larger than 2 pi? Otherwise, you can just move the discontinuity somewhere that does not appear for your application. Best regards, Kristian E. Jensen Technical Product Manager, Optimization
Acculution ApS Certified Consultant
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Posted: 6 months ago 3 gen 2025, 10:36 CET

This has been implemented in COMSOL v6.3.

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René Christensen, PhD
Acculution ApS
www.acculution.com
info@acculution.com
This has been implemented in COMSOL v6.3.

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