To robustly and adaptively reconstruct displacement, we propose the amplitude modulation
integral reconstruction method (AM-IRM) for displacement sensing in a self-mixing …

Laser self-mixing interferometry (SMI) signals in experimental environments usually suffer
from various forms of noise, eg, additive Gaussian white noise, speckle noise and impulse …

The row scanning mechanism of a rolling shutter camera can be used to infer high-
frequency information from a low-frame-rate video. Combining the high intensity of laser …

Laser optical feedback interferometry (OFI) is a unique one-channel interferometric
measurement technology with the advantages of compact structure, low implementation cost …

In this work, we propose a method using frequency-modulated continuous-wave (FMCW)
self-mixing interferometry (SMI) and all-phase fast Fourier transform (APFFT) for …

A new signal processing method named orthogonal signal phase multiplication (OSPM) is
proposed, which is used to improve the precision of vibration measurement in a phase …

Acoustic emission (AE) testing is a widely used nondestructive testing method for the early
detection of failures in materials and structures. In this paper, an AE detection sensor …

Optical feedback interferometry (OFI) exhibits good potential in laboratory and engineering
applications as an interferometric measurement technology with unique structure. One …

Semiconductor laser with external optical feedback exhibits different dynamics, eg, period-
one (P1) oscillation, quasiperiodic oscillation and chaos, which has been used in different …

To address the issue of the decreased resolution and accuracy of frequency measurements
caused by sidebands in fiber optical phased array coherent lidar echo signals, a sideband …