Signal-to-Noise Enhancement of a Nanospring Redox-Based Sensor by Lock-in Amplification.
Pavel V. BakharevDavid N. McIlroyPublished in: Sensors (2015)
Keyphrases
- wide band
- random noise
- sensor noise
- additive noise
- low signal to noise ratio
- received signal
- signal detection
- white noise
- direct sequence spread spectrum
- low snr
- image enhancement
- low frequency
- stochastic resonance
- noise level
- noisy environments
- additive gaussian noise
- signal to noise ratio
- quantization noise
- impulse response
- charge coupled device
- noise model
- high frequency
- noise variance
- sensor data
- signal noise ratio
- slowly varying
- multiplicative noise
- missing data
- sensor networks
- bandpass
- weak signal
- median filter
- noise reduction
- wiener filter
- original signal
- multiscale
- sensor array
- denoising methods
- power spectra
- noisy images
- image processing
- real time