question: What is the phase shift of the sub-signals detected in each frequency band used by Compass-M1 ?
answer: 90 degrees ( in quadrature )
turker_answer: The phase shift of the sub-signals detected in each frequency band used by Compass-M1 is 90 degrees ( in quadrature ) .
rule-based: The phase shift of the sub-signals detected in each frequency band used by Compass-M1 is 90 degrees ( in quadrature .