Articles with "frequency characteristics" as a keyword



Frequency and Characteristics of Trials Using Medical Writer Support in High-Impact Oncology Journals

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Published in 2023 at "JAMA Network Open"

DOI: 10.1001/jamanetworkopen.2022.54405

Abstract: This cross-sectional study reviews original oncology trials to assess whether the declared use of medical writers is associated with trial success and the use of a particular type of end point. read more here.

Keywords: oncology; using medical; medical writer; characteristics trials ... See more keywords

Nanochannel‐Based Interfacial Memristor: Electrokinetic Analysis of the Frequency Characteristics

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Published in 2021 at "Advanced Electronic Materials"

DOI: 10.1002/aelm.202000848

Abstract: As a novel class of memristors, nanochannel‐based interfacial memristors in polydimethylsiloxane offer great flexibility and low cost. With practical attributes of novel transport phenomenon in nanofluidics, analysis of the physical properties and operational mechanisms in… read more here.

Keywords: nanochannel based; based interfacial; memristor; device ... See more keywords

Frequency and characteristics of pulmonary nodules in children at computed tomography

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Published in 2017 at "Pediatric Radiology"

DOI: 10.1007/s00247-017-3946-2

Abstract: BackgroundNormative data on pulmonary nodules in children without malignancy are limited. Knowledge of the frequency and characteristics of pulmonary nodules in healthy children can influence care decisions in children with malignant disease.ObjectiveTo provide normative data… read more here.

Keywords: agreement; frequency characteristics; nodules children; pulmonary nodules ... See more keywords

Bleeding frequency and characteristics among hematologic malignancy inpatient rehabilitation patients with severe thrombocytopenia

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Published in 2018 at "Supportive Care in Cancer"

DOI: 10.1007/s00520-018-4160-y

Abstract: ObjectiveTo identify the frequency and characteristics of bleeding complications during acute inpatient rehabilitation of hematologic malignancy patients with severe thrombocytopenia.DesignRetrospective descriptive analysis.SettingComprehensive cancer center acute inpatient rehabilitation unit.ParticipantsConsecutive hematologic malignancy patients with a platelet count… read more here.

Keywords: frequency characteristics; acute inpatient; inpatient rehabilitation; rehabilitation ... See more keywords

Study on Optimal Selection of Wavelet Vanishing Moments for ECG Denoising

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Published in 2017 at "Scientific Reports"

DOI: 10.1038/s41598-017-04837-9

Abstract: The frequency characteristics of wavelets and the vanishing moments of wavelet filters are both important parameters of wavelets. Clarifying the relationship between the wavelet frequency characteristics and the vanishing moments of the wavelet filter can… read more here.

Keywords: frequency characteristics; vanishing moments; frequency; wavelet ... See more keywords

Full-wave analysis of the high frequency characteristics of the sine waveguide slow-wave structure

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Published in 2017 at "AIP Advances"

DOI: 10.1063/1.4997329

Abstract: A theoretical model for calculation of the high frequency characteristics of the sine waveguide slow-wave structure (SWS) is proposed. The formulas of dispersion and interaction impedances of the hybrid modes are obtained by combining the… read more here.

Keywords: sine waveguide; frequency characteristics; high frequency; wave ... See more keywords

Experimental study on the unsteady behavior and frequency characteristics of high-speed submerged cavitating water jets

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Published in 2024 at "Physics of Fluids"

DOI: 10.1063/5.0232545

Abstract: The frequency characteristics of cavitation fluctuations in high-speed cavitating jets are intricate due to the coupling mechanisms of unsteady behaviors. This study employs high-speed photography to experimentally investigate the relationship between frequency characteristics and the… read more here.

Keywords: cavitation; high speed; frequency characteristics; unsteady behavior ... See more keywords

Frequency and characteristics of ectopic parathyroid adenomas in a cohort of patients referred for 18F-fluorocholine PET/CT

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Published in 2024 at "Nuclear Medicine Communications"

DOI: 10.1097/mnm.0000000000001920

Abstract: Aim This article aimed to study the frequency and characteristics of ectopic/intrathyroidal parathyroid adenomas in patients referred for 18F-fluorocholine PET/computed tomography (CT). Patients and methods From 11 June 2015 to 15 January 2024, 729 patients… read more here.

Keywords: ectopic intrathyroidal; adenomas; parathyroid adenomas; frequency characteristics ... See more keywords
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Modeling Multi-Frequency Characteristics for Classroom and Hall Scenarios at 2-4, 9-11 and 27-29 GHz Bands

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Published in 2021 at "IEEE Access"

DOI: 10.1109/access.2021.3052301

Abstract: This paper investigates the wideband channel characteristics obtained in a classroom and a hall indoor scenarios at 2-4, 9–11 and 27-29GHz. A virtual uniform circular array (UCA) based channel sounding system was utilized to capture… read more here.

Keywords: modeling multi; classroom hall; multi frequency; frequency ... See more keywords

Frequency Characteristics of Power Transformer for Isolated DC-DC Converter

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Published in 2022 at "IEEE Access"

DOI: 10.1109/access.2022.3145200

Abstract: The operational frequency of a transformer is an important factor in the configuration of an isolated DC-DC converter. However, discussions regarding this frequency are inadequate. This study focuses on the frequency characteristics of the transformer.… read more here.

Keywords: isolated converter; frequency; loss; power ... See more keywords

Lightning Transient Impulse Problem of Substation Grounding Grid in Multilayer Horizontal Layered Soil Considering Soil Ionization Effect and Frequency Characteristics

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Published in 2024 at "IEEE Transactions on Electromagnetic Compatibility"

DOI: 10.1109/temc.2024.3452419

Abstract: This study proposes a novel mathematical model based on time-domain Garlerkin's boundary element method. Our approach accurately computes the lightning current distribution and lightning current impulse response of buried grounding grid conductors in horizontal multilayered… read more here.

Keywords: soil ionization; frequency characteristics; soil; transient impulse ... See more keywords