Results 1 to 10 of about 1,050,881 (197)

Single-Particle Tracking with Scanning Non-Linear Microscopy [PDF]

open access: yesNanomaterials, 2020
This study describes the adaptation of non-linear microscopy for single-particle tracking (SPT), a method commonly used in biology with single-photon fluorescence.
Théo Travers   +4 more
doaj   +5 more sources

Design and Optimization of a Linear Wavenumber Spectrometer with Cylindrical Optics for Line Scanning Optical Coherence Tomography

open access: yesSensors, 2021
We report the design of a high-efficiency spectral-domain spectrometer with cylindrical optics for line scanning optical coherence tomography (OCT). The spectral nonlinearity in k space (wavenumber) lowers the depth-dependent signal sensitivity of the ...
Sevin Samadi   +2 more
doaj   +3 more sources

Trueness of Complete-Arch Implant Scans: Influence of Scanning Technique, Intraoral Scanner, and Implant Position (Part I: Linear and Angular Deviations) [PDF]

open access: yesMedicina
Background and Objectives: This study aimed to investigate the effect of the intraoral scanner, scanning technique, and implant position on the trueness measured by linear and angular deviations.
Bersu Bedirhandede   +4 more
doaj   +2 more sources

Modal shape measurement of fiber-reinforced composite plate with high efficiency and precision based on laser linear scanning method

open access: yesMeasurement + Control, 2018
The laser linear scanning method is proposed to measure the modal shape of fiber-reinforced composite thin plate with high efficiency and precision.
Hui Li   +4 more
doaj   +2 more sources

One-Dimensional Beam Scanning Transmitarray Lens Antenna Fed by Microstrip Linear Array

open access: yesIEEE Access, 2019
This paper proposed a one-dimensional beam scanning transmitarray lens antenna fed by a microstrip linear array antenna which owns a wide pattern in the plane orthogonal to the array axis and a narrow pattern in the plane that includes the array axis ...
Na Kou   +3 more
doaj   +3 more sources

Security of infrastructural linear objects by using three-dimensional laser scanning technology [PDF]

open access: yesE3S Web of Conferences, 2020
For the functioning of any social infrastructure object, power supply is necessary. Therefore, such linear real estate objects as power lines are important elements in the urban engineering infrastructure.
Gura Dmitry   +2 more
doaj   +1 more source

Linear Laser Scanning Measurement Method Tracking by a Binocular Vision

open access: yesSensors, 2022
The 3D scanning of a freeform structure relies on the laser probe and the localization system. The localization system, determining the effect of the point cloud reconstruction, will generate positioning errors when the laser probe works in complex paths
Chunyan Wu   +3 more
doaj   +1 more source

A linear magnetic field scan driver [PDF]

open access: yesConcepts in Magnetic Resonance Part B: Magnetic Resonance Engineering, 2009
AbstractA linear magnetic field scan driver was developed to provide a rapidly scanning magnetic field for use in electron paramagnetic resonance (EPR) spectroscopy. The driver consists of two parts: a digitally synthesized ramp waveform generator and a power amplifier to drive the magnetic field coils.
Richard W, Quine   +2 more
openaire   +2 more sources

X-Ray Layered Refocusing Imaging Based on Linear Scanning

open access: yesIEEE Photonics Journal, 2020
In the process of X-ray digital imaging, due to the mutual occlusion of object structures of different depth layers, the image projection information is overlapped.
Bin Liu, Yue Luo, Ke Li, Xia Zhao
doaj   +1 more source

Single-Layer Wide-Angle Scanning Linear Phased Arrays Based on Multimode Microstrip Patch Elements

open access: yesMicromachines, 2023
This paper introduces a novel single-layer microstrip patch element designed to achieve a wide beamwidth, in order to address the growing demand for wide-angle scanning capabilities in modern phased array systems.
Dongsheng Li   +10 more
doaj   +1 more source

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