Results 1 to 10 of about 174,112 (214)

Investigation and Implementation of Integrated SIW System for Hexagonal Diamond of Lamda Shape Slots Fractal Array Antenna for X and KU-Band Applications [PDF]

open access: yesInternational Journal of Telecommunications, 2021
This paper introduces an investigation and implementation of integrated SIW system using Rogger RT/duriod 5880 substrate of εr=2.2,tanδ=0.0009 and thickness 0.79 mmsimulated using HFSS.
Mohamed Rizk   +3 more
doaj   +1 more source

Performance Analysis of Improved Clutter-Map MTD Proces-sor for both Slowly & Tangential Moving Targets (STMT). [PDF]

open access: yesInternational Journal of Telecommunications, 2022
Detection performance of slowly and tangential moving targets (STMT) is a considerable problem in modern radar systems, especially in unwanted reflected sig-nals.
Ibrahim Metwally   +2 more
doaj   +1 more source

Orderly automatic real-time charging scheduling scenario strategy for electric vehicles considering renewable energy consumption

open access: yesEnergy Reports, 2023
The ORTCS (Orderly Real-time Charging Scheduling) strategy for collaborative optimization of electric vehicles and renewable energy output is proposed, which is considering the flexibility of charge and discharge in the intelligent transportation field ...
Guoyu Zhang   +3 more
doaj   +1 more source

Topology optimisation of an aircraft nose-wheel fork for production in Ti6Al4V by the Aeroswift high-speed laser powder bed fusion machine [PDF]

open access: yesMATEC Web of Conferences, 2020
Recent levels of structural integrity of components built in the Aeroswift high-speed laser powder bed fusion machine have led to the decision to produce a structural aircraft component through this technology.
Monaheng L F   +3 more
doaj   +1 more source

Relationships between plasma amino acid concentrations and blood pressure in South Africans of African descent

open access: yesSA Heart Journal, 2017
Oral supplementation with the amino acid arginine, the precursor of the vasodilator nitric oxide (NO), is associated with a reduction in blood pressure (BP). However, it is uncertain whether a decreased plasma arginine concentration predicts increases in
Cameron Naidoo   +6 more
doaj   +1 more source

Measurement of Apparent Diffusion Coefficient (ADC) Values of Ependymoma and Medulloblastoma Tumors: a Patient-based Study [PDF]

open access: yesJournal of Biomedical Physics and Engineering, 2021
Background: Some brain tumors such as ependymoma and Medulloblastoma have similar MR images which may result to undifferentiated them from each other.
H Taheri, M B Tavakoli
doaj   +1 more source

DIFFUSION-WEIGHTED IMAGING FOR DIFFERENTIATING MALIGNANT FROM BENIGN MEDIASTINAL LYMPHADENOPATHY

open access: yesСибирский онкологический журнал, 2020
Introduction. Mediastinal lymphadenopathy can be caused by a wide range of benign and malignant states. Determination of the genesis of lymphadenopathy is crucial for treatment planning and prognosis of the disease.The purpose of the study was to ...
A. V. Sudarkina   +6 more
doaj   +1 more source

A Second-Order Single Loop Oversampling Analog-to-Digital Converter (ADC) with Proposed Hybrid Feedforward/Feedback Architecture [PDF]

open access: yesEngineering and Technology Journal, 2012
This paper proposes hybrid architecture of feedforward/feedback second order single-loop modulator for high resolution analog-to-digital converter (ADC) applications. Different techniques for oversampling modulator are discussed.
Hasan M. Azzawi
doaj   +1 more source

Immunotherapy in Multiple Myeloma

open access: yesCells, 2020
Multiple myeloma is a complex disease and immune dysfunction has been known to play an important role in the disease pathogenesis, progression, and drug resistance.
Cinnie Yentia Soekojo   +3 more
doaj   +1 more source

A New Method for Angular Speed Measurement with Absolute Encoder

open access: yesElektronika ir Elektrotechnika, 2020
The encoders are electromechanical devices that give information about the angular position and the number of turns of the shaft, which they are connected. These devices are divided into digital or analogue according to output types.
Ramazan Akkaya, Fatih Alpaslan Kazan
doaj   +1 more source

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