Results 21 to 30 of about 434,174 (297)

BER estimation for wireless links using BPSK/QPSK modulation [PDF]

open access: yes, 2003
This paper introduces a method that computes an estimation of the bit error rate (BER) based on the RAKE receiver soft output only. For this method no knowledge is needed about the channel characteristics nor the precise external conditions.
Hurink, Johann L.   +2 more
core   +8 more sources

Rebozo and External Cephalic Version in breech presentation (RECEIVE): A randomised controlled study [PDF]

open access: yesBJOG: An International Journal of Obstetrics & Gynaecology, 2022
AbstractObjectiveTo investigate if a hospital‐initiated home‐based rebozo intervention performed by the pregnant woman and her partner before external cephalic version (ECV) would increase the rate of cephalic presentations at birth.DesignA multicentre randomised controlled trial.SettingThree university hospitals in Copenhagen, Denmark ...
Mie Gaarskjaer de Wolff   +3 more
openaire   +3 more sources

The prognostic value of external vs internal pancreatic duct stents after pancreaticoduodenectomy in patients with FRS ≥ 4: a retrospective cohort study

open access: yesBMC Surgery, 2021
Background The prognostic value of external vs internal pancreatic duct stents after pancreaticoduodenectomy remains controversial. This study aimed to evaluate the benefits of external and internal stents using the Fistula Risk Score system with regard ...
Yuancong Jiang   +7 more
doaj   +1 more source

Machine Learning Prediction of Death in Critically Ill Patients With Coronavirus Disease 2019

open access: yesCritical Care Explorations, 2021
OBJECTIVES:. Critically ill patients with coronavirus disease 2019 have variable mortality. Risk scores could improve care and be used for prognostic enrichment in trials.
Matthew M. Churpek, MD, MPH, PhD   +274 more
doaj   +1 more source

A 300-800MHz Tunable Filter and Linearized LNA applied in a Low-Noise Harmonic-Rejection RF-Sampling Receiver [PDF]

open access: yes, 2010
A multiband flexible RF-sampling receiver aimed at software-defined radio is presented. The wideband RF sampling function is enabled by a recently proposed discrete-time mixing downconverter. This work exploits a voltage-sensing LNA preceded by a tunable
Klumperink, Eric A.M.   +3 more
core   +3 more sources

Solar Thermal Power: Appraisal of Solar Power Towers

open access: yesMATEC Web of Conferences, 2018
This study delves into several engineering procedures related to solar power tower plants. These installations come with central receiver system technologies and high-temperature power cycles.
Shatnawi Hashem   +2 more
doaj   +1 more source

A Nomogram for Predicting BK Virus Activation in Kidney Transplantation Recipients Using Clinical Risk Factors

open access: yesFrontiers in Medicine, 2022
BK virus is a common opportunistic viral infection that could cause BK virus-associated nephropathy in renal transplant recipients. Thus, we retrospectively analyzed clinical and laboratory data associated with a higher risk of BK virus activation from ...
Jiyan Wang   +14 more
doaj   +1 more source

Low-Power, High Data Rate Transceiver System for Implantable Prostheses

open access: yesInternational Journal of Telemedicine and Applications, 2010
Wireless telemetry is crucial for long-term implantable neural recording systems. RF-encoded neurological signals often require high data-rates to transmit information from multiple electrodes with a sufficient sampling frequency and resolution.
A. R. Kahn   +3 more
doaj   +1 more source

UMTV: a Single Chip TV Receiver for PDAs, PCs and Cell Phones [PDF]

open access: yes, 2005
A zero-external-component TV receiver for portable platforms is realized in a mainstream 8GHz-f/sub t/ BiCMOS process. Die size is 5/spl times/5mm/sup 2/ and power dissipation is 50mA at 3V. The receiver includes a single tunable LNA (3mA) with less than
Kasperkovitz, D.   +3 more
core   +2 more sources

Micronucleus frequencies in groups receiving external or internal radiation

open access: yesIndian Journal of Nuclear Medicine, 2016
In the current study, we aimed to explore whether there is alteration between pre- and post-treatment micronucleus (MN) frequencies induced by internal and external ionizing radiation.The study enrolled a total of 67 patients including patients admitted to our hospital for treatment of hyperthyroidism (n = 17), scanning with low-dose I-131 (n = 15 ...
Ozdal, Aysegul   +5 more
openaire   +5 more sources

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