Premodifier: group
Head noun: delay

Same concepts
http://dbpedia.org/resource/Group_delay_and_phase_delay

Broader concepts

labelprovenanceconfidence
optical characteristicisap:528800160.723314
parameterisap:3345339840.537626
important parameterisap:3345339820.400431
distortionisap:2581208900.335098

Narrower concepts

labelprovenanceconfidence