Pulsed ultrasonic comb filtering effect and its applications in the measurement of sound velocity and thickness of thin plates
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DOI: 10.1016/j.ultras.2016.12.003
Abstract: HighlightsLay the theoretical foundation of the comb filtering effect in pulsed ultrasonics.Numerically demonstrate feedforward and feedback comb filters.Experimentally demonstrate the comb filtering effect.Demonstrate its capability and advantage in measuring thin plate sound velocity.Demonstrate its potential… read more here.
Keywords: filtering effect; comb filtering; pulsed ultrasonic; thin plate ... See more keywords
Photonic-Aid Flexible Frequency-Hopping Signal Generator Based on Optical Comb Filtering
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DOI: 10.3390/photonics12060539
Abstract: A novel photonics-assisted technique for generating reconfigurable frequency hopping (FH) signals is proposed and demonstrated through optical comb filtering (OCF). The arithmetic progression of frequency difference between OCF passbands and optical frequency comb lines is… read more here.
Keywords: comb filtering; frequency hopping; frequency; comb ... See more keywords