Suppression of Odd Harmonic Interference in a Fast Digital Lock-in Amplifier Based on Square Wave Signal
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DOI: 10.1109/tim.2023.3267557
Abstract: Odd harmonic interference is observed in a fast digital lock-in amplifier (FDLIA) with square wave signals as carrier and reference signals, which will reduce spectrum utilization. To address this problem, a method to suppress odd… read more here.
Keywords: square wave; harmonic interference; fast digital; digital lock ... See more keywords