Results 11 to 20 of about 17,733,859 (256)

Spaceborne Relative Radiometer: Instrument Design and Pre-Flight Test

open access: yesRemote Sensing, 2023
In order to simultaneously determine the values of total solar irradiance (TSI) and the Earth’s radiation at the top of the atmosphere (TOA) on board the Fengyun-3F satellite, a spaceborne relative radiometer (SRR) was developed. It adopts a dual-channel
Duo Wu   +11 more
doaj   +1 more source

Group-delay measurement of frequency-converting devices using a comb generator [PDF]

open access: yes, 2010
We propose a new method for the measurement of (group) delay from the radio-frequency (RF) input to the intermediate-frequency (IF) output of a mixer or a receiver.
Scott, Jonathan B., Hoy, M.
core   +1 more source

Digitalization of Spectral Measurements in the Fourier Basis – Development Trends and Problems

open access: yesПриборы и методы измерений, 2019
At the present stage of development of digital information technologies intensive digitalization (computerization) of both direct and indirect measurement methods is taking place. The direct consequence of the computerization of measurements was, firstly,
O. V. Ponomareva   +2 more
doaj   +1 more source

UMA PROPOSTA DE MODELO PARA A FORMAÇÃO DE PRECEDENTE: EXPOSIÇÃO E FUNCIONALIDADE A PARTIR DE EXAME DE CASO

open access: yesRevista Eletrônica de Direito Processual, 2021
This article seeks to define the way in which precedents are formed from the decision, proposing a measurement model. The study initially focuses on the double indeterminacy of law, in order to find out whether precedent is, or not, the decision itself ...
Augusto Tanger Jardim   +1 more
doaj   +1 more source

Model-model evaluasi pendidikan

open access: yesINSANIA: Jurnal Pemikiran Alternatif Kependidikan, 2015
On learning literature, there many kind of learning model design, for example model developed by Winarno Surakhmad, Winkel, Hisyam Zaini et al., Briggs and  Wager, Gerlach and Ely, and Kemp.
rohmad qomari
doaj   +3 more sources

The measurement model of historical awareness

open access: yesREID (Research and Evaluation in Education), 2016
The study aimed to develop a measurement model of historical awareness through a research and development model adopted from the Plomp model. Historical awareness was measured through four components, namely: knowledge of historical events, understanding
Aisiah Aisiah   +2 more
doaj   +1 more source

Reassessing the most popularly suggested measurement models and measurement invariance of the Maslach Burnout Inventory – human service survey among Vietnamese healthcare professionals

open access: yesHealth Psychology and Behavioral Medicine, 2022
Background Despite its popularity, Maslach Burnout Inventory-Human Service Survey (MBI-HSS)’s factorial structure has been subject to considerable debate, and its measurement invariance (MI) is seldomly examined.
Thi Hong Thai Bui   +6 more
doaj   +1 more source

How to measure teamwork and networking competencies

open access: yesWPOM : Working Papers on Operations Management, 2019
Our aim is present a protocol to develop a measurement questionnaire that allows a valid and reliable self-evaluation of the transversal competencies related to team work (TW) and networking (NW).
Juan A. Marin-Garcia   +2 more
doaj   +1 more source

Quantitative alignment parameter estimation for analyzing X-ray photoelectron spectra

open access: yesJournal of Synchrotron Radiation, 2023
The interpretation of X-ray photoelectron spectroscopy (XPS) data relies on measurement models that depend on several parameters, including the photoelectron attenuation length and X-ray photon flux.
Matthew Ozon   +2 more
doaj   +1 more source

Tracking Control of a Maglev Vibration Isolation System Based on a High-Precision Relative Position and Attitude Model

open access: yesSensors, 2019
The maglev vibration isolation system exhibits excellent micro-vibration isolation performance (0.01 Hz to 100 Hz band) in the space environment. However, a collision between the base and the floating platform may occur in an ultra-low frequency range (&#
Qianqian Wu   +3 more
doaj   +1 more source

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