Sequence optimisation for compressed sensing CDMA MIMO radar via mutual coherence minimisation

S Nagesh, MA González‐Huici… - IET Radar, Sonar & …, 2024 - Wiley Online Library
… The total number of phase components transmitted … The objective is to identify the optimal
combination of phase … as a measure of the coherence of the sensing matrix, as discussed in ref…

Coherent combining of pulsed fiber amplifiers in the nonlinear chirp regime with intra-pulse phase control

S Palese, E Cheung, G Goodno, CC Shih… - Optics …, 2012 - opg.optica.org
… active sensing applications. These constraints required modifications to coherent phase control
… in the high nonlinearity regime with by combining two pulsed polarization maintaining Yb …

Deep turbulence effects mitigation with coherent combining of 21 laser beams over 7 km

T Weyrauch, M Vorontsov, J Mangano, V Ovchinnikov… - Optics Letters, 2016 - opg.optica.org
coherent beam combining and adaptive mitigation of atmospheric turbulence effects over 7
km under strong scintillation conditions using a coherent … beams wavefront phases. A small …

Coherent combining of difference frequency generators: experimental demonstration and application to optical parametric oscillators

P Bourdon, R Chtouki, A Durecu… - … and Devices XVIII, 2019 - spiedigitallibrary.org
Coherent beam combining (CBC) through active phase control is a common solution for …
But nonlinear frequency converters such as parametric generators used in gas sensing could …

Instantaneous phase coherence imaging for near-field defects by ultrasonic phased array inspection

H Zhang, L Zeng, G Fan, H Zhang, Q Zhu, W Zhu - Sensors, 2020 - mdpi.com
phase information in the acquired signal and proposed application of the phase coherence
factor (PCF) and the sign coherence … These two sets of detected signals were combined in an …

[PDF][PDF] Hybrid coherent/incoherent beam forming diagnostic approach to naval assets

SS Kessler, EB Flynn, MD Todd - Proceedings of the 8th …, 2011 - metisdesign.com
phase using 6 local PZT sensing elements arranged in a circle, thus being able to support
both coherent … , and it was found that by combining phase-coherent and incoherent algorithms, …

[PDF][PDF] Co-phasing a Large Array of Segmented Lasers via Interferometry and Coherent Beam Combination Methods

E Mitchell, M Hart - ao4elt6.copl.ulaval.ca
… Piston sensing between segments will be carried out by a separate … phase error in the large
array of coherently combined lasers. Section 2 addresses the issue of minimizing the phase

Scalable coherent combining of kilowatt fiber amplifiers into a 2.4-kW beam

SJ McNaught, PA Thielen, LN Adams… - IEEE Journal of …, 2014 - ieeexplore.ieee.org
… -mode fiber to feed sensors for active phase and polarization-locking. Phase-locking was
based on the socalled LOCSET (Locking of Optical Coherence via Singledetector Electronic-…

Undersampling for fiber distributed acoustic sensing based on coherent phase-OTDR

F Jiang, H Li, Z Zhang, Z Hu, Y Hu, Y Zhang, X Zhang - Optics letters, 2019 - opg.optica.org
… -OTDR to demodulate the phase of the RBS lightwave. An interferometer combined with
a 3 … [9–12], while an unbalanced Michelson interferometer combined with the phase-generated …

Basic considerations on coherent combining of ultrashort laser pulses

A Klenke, E Seise, J Limpert, A Tünnermann - Optics express, 2011 - opg.optica.org
Coherent combining is a novel approach to scale the performance of laser amplifiers. The
use of ultrashort pulses in a coherent combining … such as self-phase modulation, dispersion …