Results 11 to 20 of about 3,023,570 (265)

Efficient knowledge-aided target relocation algorithm for airborne radar

open access: yesThe Journal of Engineering, 2019
This letter addresses the problem of target relocation in wide-area ground moving target indication system. The antenna pattern information is exploited as prior knowledge to enhance the performance of airborne radar. Firstly, the ideal target relocation
Hongmeng Chen   +7 more
doaj   +1 more source

Numerical Simulation of Flow-Induced Vibration of Three-Dimensional Elastic Heat Exchanger Tube Bundle Based on Fluid-Structure Coupling

open access: yesShock and Vibration, 2022
The reliability of the heat exchanger tube bundle not only affects the economic efficiency of production but also relates to the normal development of production safety and health.
Shiqin Ai   +3 more
doaj   +1 more source

Design and Experimental Evaluation of a Low-Cost Test Rig for Flywheel Energy Storage Burst Containment Investigation

open access: yesApplied Sciences, 2018
Data related to the performance of burst containments for high-speed rotating machines, such as flywheel energy storage systems (FESS), turbines or electric motors is scarce.
Armin Buchroithner   +4 more
doaj   +1 more source

Airborne Millimeter-Wave InSAR Terrain Mapping Experiments Based on Automatic Extraction and Interferometric Calibration of Tie-Points

open access: yesRemote Sensing, 2023
Limited by meteorological conditions, airspace, complex terrain and other factors, airborne millimeter-wave InSAR will inevitably face the situation of no control point layout when acquiring terrain data in the difficult mapping areas in Southwest China,
Bin Zhang   +5 more
doaj   +1 more source

The Difficulty of Measuring the Measurable [PDF]

open access: yesRespiratory Care, 2014
When we were students of medicine at Zurich University, we were obliged to do a 1-month internship called Hafelipraktikum. For many of us, this job constituted the very first opportunity to become familiar with our future profession, namely with real patients in a hospital.
Perren A, Merlani P
openaire   +3 more sources

Modified real-time sub-aperture processing algorithm for airborne high-resolution SAR

open access: yesThe Journal of Engineering, 2019
The problem of real-time imaging in synthetic aperture radar (SAR) system is addressed here. Sub-aperture processing algorithm is usually used in the engineering applications.
Jing Liu   +4 more
doaj   +1 more source

Research on Model Construction of Electric Energy Metering System Based on Intelligent Sensor Data

open access: yesAdvances in Mathematical Physics, 2023
The informatization construction of the power grid is becoming increasingly popular, business application systems are constantly emerging, and power-related data is rapidly expanding. These discrete power data are scattered in various application systems,
Hang Li   +4 more
doaj   +1 more source

Research on calibration method of indication error of grade III standard metallic scale based on length measuring machine [PDF]

open access: yesMATEC Web of Conferences, 2022
A calibration method of indication error of grade III standard metallic scale based on length measuring machine is proposed. The existing length measuring machine is reformed to realize the calibration of the indication error of grade III standard ...
Wang Tao, Yang Yi, Rong Zou, Xiang Xiao
doaj   +1 more source

Nuclear waste characterization using Bayesian methods [PDF]

open access: yesEPJ Web of Conferences
The relance of the nuclear industrial sector in France is an ambitious plan expected to meet the energy needs of the general public in the 21st century. Along with the construction of new nuclear power plants, advancements are taking place in the fields ...
Chalil Achment   +5 more
doaj   +1 more source

Distinction method of pipeline inner and outer defects based on the dynamic magnetic multipole field

open access: yesYou-qi chuyun, 2021
In order to identify the inner and outer defect signals in pipeline magnetic flux leakage (MFL) internal inspection under dynamic conditions, a mathematical model of dynamic leakage magnetic field based on the magnetic multipole field was established for
Jing HU   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy