Results 11 to 20 of about 4,608 (215)

Multicarrier DS/SFH-CDMA systems [PDF]

open access: yesIEEE Transactions on Vehicular Technology, 2002
Multicarrier direct-sequence/slow-frequency-hopping (MC DS/SFH) code-division multiple-access (CDMA) systems are proposed, in which multiple carriers are modulated by the same DS waveform and hopped in frequency according to a random hopping pattern. The receiver dehops the received signal with the same pattern, provides RAKE receivers for each carrier,
Huang, H, Wang, J
core   +6 more sources

Effects of Dietary Sunflower Hulls on Performance and Rumen Fermentation of Pregnant Naemi Ewes: A Sustainable Fiber Source for Arid Regions [PDF]

open access: yesAnimals
(1) Background: In arid regions, limited forage availability increases feeding costs for small ruminants. Sunflower hulls (SFH), a low-cost agro-industrial by-product, may serve as an alternative fiber source, yet their effects on pregnant Naemi ewes ...
Mohsen M. Alobre   +6 more
doaj   +2 more sources

'Darkness as we face the unknown': Biopsychosocial-spiritual experiences of parents of children and young people with type 1 diabetes from the Middle East and North Africa (MENA) region. [PDF]

open access: yesDiabet Med
Abstract Aim Qualitative interviews were conducted as part of the development of a person‐reported outcome measure (PROM) to assess biopsychosocial‐spiritual outcomes of parents of children with type 1 diabetes (T1D) in the Middle East and North Africa (MENA) region.
Asaad M   +5 more
europepmc   +2 more sources

Smokefree home rules and susceptibility to cigarette and e-cigarette use in adolescents: the mediating role of attitudes [PDF]

open access: yesBMC Public Health
Background This study examined the relationship between smoke-free home (SFH) rules and susceptibility to cigarette and e-cigarette (EC) use in never-smoking adolescents in Hong Kong, focusing on the mediating role of tobacco-related attitudes.
Tianqi Chen   +5 more
doaj   +2 more sources

Factors influencing the competence of student midwives in symphysis-fundal height measurement: A quantitative study [PDF]

open access: yesCurationis
Background: Given the central role of antenatal competencies in midwifery practice and the critical importance of accurate symphysis-fundal height (SFH) measurement for monitoring foetal growth, it is essential to explore the factors that influence ...
Winile D. Cele   +2 more
doaj   +2 more sources

MC DS/SFH-CDMA systems for overlay systems [PDF]

open access: yesIEEE Transactions on Wireless Communications, 2002
We introduce the slow frequency hopping (SFH) technique to the multicarrier (MC) code-division multiple-access (CDMA) systems for overlay situations. Using lower chip rate, which results in a narrower spectrum for each carrier and hopping the signal in frequency, the MC direct sequence (DS)/SFH system achieves better performance than the MC DS CDMA ...
Wang, J, Huang, H
openaire   +4 more sources

Linking the Metallicity Enrichment History to the Star Formation History: An SFH-regulated Chemical Evolution Model and Its Implications for the Gas Cycling Process

open access: yesThe Astrophysical Journal, 2023
The metallicity enrichment history (MEH) of a galaxy is determined by its star formation history (SFH) and the gas cycling process. In this paper, we construct a chemical evolution model that is regulated by the SFH of the system.
Jun Yin, Shiyin Shen, Lei Hao
doaj   +2 more sources

Long-Term Outcome of Intravitreal Expansile Gas and Bevacizumab Injection for Macular Neovascularization-Induced Subfoveal Hemorrhage: A Retrospective Study [PDF]

open access: yesJournal of Current Ophthalmology
Purpose: To analyze the results of the long-term outcome of pneumatic displacement (PD) with intravitreal bevacizumab (IVB) for subfoveal hemorrhage (SFH) secondary to polypoidal choroidal vasculopathy (PCV)/macular neovascularization secondary to ...
Avik Dey Sarkar   +4 more
doaj   +2 more sources

Changes in performance, cecal microflora counts and intestinal histology of Japanese quails fed diets containing different fibre sources [PDF]

open access: yesVeterinary and Animal Science
The purpose of this experiment was to investigate how various fiber sources impact the performance, microbial population, and intestinal histology of Japanese quail that was performed in a completely randomized design for 42 days.
Azra Bamedi   +2 more
doaj   +2 more sources

Measurement of symphysis fundal height for gestational age estimation in low-to-middle-income countries: A systematic review and meta-analysis.

open access: yesPLoS ONE, 2022
In low- and middle-income countries (LMIC), measurement of symphysis fundal height (SFH) is often the only available method of estimating gestational age (GA) in pregnancy.
Rachel Whelan   +9 more
doaj   +1 more source

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