Results 21 to 30 of about 320,914 (291)

Calibration of hydrological models for ungauged catchments by automatic clustering using a differential evolution algorithm: The Gorganrood river basin case study

open access: yesJournal of Hydroinformatics, 2023
The hydrological model calibration is a challenging task, especially in ungauged catchments. The regionalization calibration methods can be used to estimate the parameters of the model in ungauged sub-catchments.
Zahra Alizadeh, Jafar Yazdi
doaj   +1 more source

Elf: computer automation and error correction for a microwave network analyzer [PDF]

open access: yes, 1988
A microwave measurement system has been developed that combines a personal computer (PC) and an conventional vector network analyzer to yield a full complex-error-corrected automatic network analyzer.
Compton, Richard C.   +2 more
core   +1 more source

A wind tunnel test device for automatic calibration of multiple wind meters

open access: yesGong-kuang zidonghua, 2014
For problems of manual adjustment of wind volume many times, complex operation, large time and laborious consumption of manual data reading and drawing and low calibration precision existed in traditional calibration methods of wind meter, a wind tunnel ...
HUANG Shouyuan, JIA Anmin, HUANG Junxin
doaj   +1 more source

Automatic Detection of Calibration Grids in Time-of-Flight Images [PDF]

open access: yes, 2014
It is convenient to calibrate time-of-flight cameras by established methods, using images of a chequerboard pattern. The low resolution of the amplitude image, however, makes it difficult to detect the board reliably.
Amat, Michel   +3 more
core   +3 more sources

Extrinsic Calibration of 2D Laser Rangefinders Based on a Mobile Sphere

open access: yesRemote Sensing, 2018
In the fields of autonomous vehicles, virtual reality and three-dimensional (3D) reconstruction, 2D laser rangefinders have been widely employed for different purposes, such as localization, mapping, and simultaneous location and mapping.
Shoubin Chen   +8 more
doaj   +1 more source

Automatic calibration system of small angle X-ray scattering experiment station at SSRF

open access: yesHe jishu, 2021
BackgroundThe quality of the experimental data is closely related to the optimal optical conditions of the end-station in the small-angle X-ray scattering (SAXS) beamline (lower scattering background, accurate beam intensity before and after the sample ...
HONG Chunxia   +4 more
doaj   +1 more source

Automatic Setting Procedure for Exoskeleton-Assisted Overground Gait: Proof of Concept on Stroke Population

open access: yesFrontiers in Neurorobotics, 2018
Stroke-related locomotor impairments are often associated with abnormal timing and intensity of recruitment of the affected and non-affected lower limb muscles. Restoring the proper lower limbs muscles activation is a key factor to facilitate recovery of
Marta Gandolla   +5 more
doaj   +1 more source

Calibrating the Dynamic Energy Simulation Model for an Existing Building: Lessons Learned from a Collective Exercise

open access: yesEnergies, 2023
Calibration of the existing building simulation model is key to correctly evaluating the energy savings that are achievable through retrofit. However, calibration is a non-standard phase where different approaches can possibly lead to different models ...
Adriana Angelotti   +8 more
doaj   +1 more source

Automatic neutronics calibration [PDF]

open access: yes, 1963
This report describes some present practices in regard to power calibration techniques and goes on to propose an automatic calibrator based on thermal power.
openaire   +2 more sources

TARGET-FREE EXTRINSIC CALIBRATION OF A MOBILE MULTI-BEAM LIDAR SYSTEM [PDF]

open access: yesISPRS Annals of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2015
LIDAR sensors are widely used in mobile mapping systems. With the recent developments, the sensors provide high amounts of data, which are necessary for some applications that require a high level of detail.
H. Nouira, J. E. Deschaud, F. Goulette
doaj   +1 more source

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