Significantly enhanced sensor signal detection method using harmonic frequency in lock-in amplifier.
Su-Jin JeonJihoon KimEudum KimSun-Ho KimDo-Hyun KimYoung-Wan ChoiPublished in: IEICE Electron. Express (2018)
Keyphrases
- detection method
- significantly enhanced
- high sensitivity
- band pass filters
- low frequency
- frequency spectrum
- face detection
- detection algorithm
- high frequency
- signal processing
- frequency response
- sensor array
- frequency domain
- sensor data
- power spectra
- power quality
- bandpass
- sensor networks
- short time fourier transform
- feature detection
- weak signal
- signal detection
- fundamental frequency
- acoustic emission
- frequency modulation
- multi sensor
- concurrency control
- object detection
- color images
- image segmentation
- region detection