Results 21 to 30 of about 47,726 (260)
Generation of the rotating light fields under amplitude and phase distortions
EPJ Web of Conferences, 2017 The work contains study of the influence of amplitude and phase distortions on the generation of two-lobe light fields with the intensity distribution rotating under propagation. Spiral beams, as well as light fields formed on their basis, are considered
Volostnikov Vladimir +5 more
doaj +1 more source
Megahertz-rate shock-wave distortion cancellation via phase conjugate digital in-line holography
Nature Communications, 2020 Shock-waves in explosive, supersonic or ionizing environments impart phase distortions to holographic imaging. Here, the authors report an ultra-high-speed phase conjugate digital in-line holography technique where a laser passes through the shock-wave ...
Yi Chen Mazumdar +4 more
doaj +1 more source
EPJ Web of Conferences, 2015 The analysis of optical signals distortions statistical properties of contactless control of heat power installations is carried out. It is established that image distortions have normal distribution and stochastic characteristics in conditions existence
Dvoynishnikov Sergey, Rakhmanov Vitaliy
doaj +1 more source
Mitigation of Fiber Nonlinearity Effects in Ultra High-Dense WDM System by Using Fractional Fourier Transform for 32 Channel System [PDF]
Engineering and Technology Journal, 2016 The optical signal is severely degraded when transmitted in the fiber due to both the linear and nonlinear distortions. It is well known that, the linear distortions in single mode fiber include chromatic dispersion (CD) and polarization-mode dispersion (
Ali Y. Fattah, Saif Hussam Abdul-Wahed
doaj +1 more source
Phase distortion-free paramagnetic NMR spectra
Journal of Magnetic Resonance Open, 2021 The NMR spectra of paramagnetic substances can feature shifts over thousands of ppm. In high magnetic field instruments, this corresponds to extreme offsets, which make it challenging or impossible to achieve uniform excitation without phase distortion.
openaire +4 more sources
Phase Distortion in Electroacoustic Systems [PDF]
The Journal of the Acoustical Society of America, 1941 In the course of an investigation of phase distortion in electroacoustical systems the phase shift vs. frequency characteristic of a standard miniature condenser transmitter was measured by application of the principle of reciprocity. Measurements were made in a closed cavity and in free space.
openaire +1 more source
Algorithm of the Radar Imaging by Using the Wideband Signals with the Distorted Signal Phases
EURASIP Journal on Advances in Signal Processing, 2003 The problem of restoring an image by its Fourier transform is considered when the Fourier transform contains phase distortions. The nature of these distortions and their values are arbitrary.
Zhulina Yulia V
doaj +1 more source
Nature Communications, 2023 While polymorphism is prevalent in crystalline solids, polyamorphism draws increasing interest in various types of amorphous solids. Recent studies suggested that supercooling of liquid phase-change materials (PCMs) induces Peierls-like distortions in ...
Tomoki Fujita +18 more
doaj +1 more source
Journal of Electrical and Computer Engineering, 2010 We address the challenging problem of the joint estimation of transmitted symbols and phase distortions in standardized multicarrier systems, including pilot or virtual subcarriers. These subcarriers create time correlation on the useful transmitted OFDM
François Septier +3 more
doaj +1 more source
Analysis of Transmission Loss and Boresight Error of a Curved FSS Radome-Enclosed Antenna
IEEE Access, 2021 In this paper, we numerically study a curved frequency selective surface (FSS) radome, which encloses a waveguide slot array antenna operating at 10GHz, using the ray tracing technique and flat model.
Hokeun Shin +3 more
doaj +1 more source