Results 71 to 80 of about 1,475,822 (289)

Channel 40 news segment on E. Coli rapid detection method (April 1998)

open access: yes, 1998
This is a short Channel 40 news segment on Dr. Chun-Kwun Wun and Dr. Frank J. Torre development of a E. Coli Rapid Detection method. The segment is about two minutes and 20 seconds long. The segment was digitized from a VHS tape which over the years seem
ABC Channel 40;
core  

Long‐Term Neurologic Exam Findings in People Diagnosed and Treated During Acute HIV Infection

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Evaluate clinical and laboratory correlates of abnormal neurologic exam findings after acute HIV infection (AHI). Methods Participants from the RV254/SEARCH 010 cohort in Bangkok underwent standardized neurologic examinations at Weeks 0 (AHI), 12, 96, and 288 following antiretroviral therapy (ART).
Kathryn B. Holroyd   +118 more
wiley   +1 more source

Advanced Channel Estimation for MIMO-OFDM in Realistic Channel Conditions

open access: yes, 2007
An advanced decision-directed channel estimation scheme is proposed, which is suitable for employment in a wide range of multi-antenna multi-carrier systems as well as for communications over the entire range of practical channel conditions.
Akhtman, J.   +3 more
core   +2 more sources

Pilot-aided IQ imbalance compensation for OFDM systems operating over doubly selective channels

open access: yes, 2011
In this paper, pilot-aided in-phase and quadrature-phase (IQ) imbalance compensation for orthogonal frequency division multiplexing (OFDM) systems operating over doubly selective channels is addressed.
Ma, S   +5 more
core   +1 more source

Gravity‐Dependent Modulation of Downbeat Nystagmus: Insights From Velocity‐Storage Dysfunction

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Downbeat nystagmus varies with head position, a phenomenon termed gravity‐dependent modulation. We aimed to clarify its mechanism using a velocity‐storage model. Methods In 10 patients with downbeat nystagmus due to cerebellar disorders, we recorded eye movements at different pitch‐ and roll‐axis head positions.
Ji‐Hyung Park   +5 more
wiley   +1 more source

Joint equilibrium strategy for I/Q imbalance and CFO in MIMO OFDM system based on STBC

open access: yesTongxin xuebao, 2013
Based on the STBC scheme, the combined effect of the transmitter and receiver I/Q imbalance, the front-end filter unmatch, CFO and frequency selective channel distortion for the presence at the same time in MIMO OFDM com-munication system was intensively
Hai-jun ZHAO   +3 more
doaj  

Boundary‐Dependent Sleep–Wake Dysregulation in Idiopathic Hypersomnia

open access: yesAnnals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Idiopathic hypersomnia (IH) presents with excessive daytime sleepiness (EDS) despite apparently preserved nocturnal sleep, challenging traditional models of hypersomnolence based on sleep loss or fragmentation. We aimed to test the hypothesis that EDS in IH reflects excessive stabilization of the sleep state, consistent with ...
Samantha Mombelli   +13 more
wiley   +1 more source

Safety of Prescription Nonsteroidal Anti‐inflammatory Drugs in Adults With Inflammatory Bowel Disease: Data From a Large Administrative Claims Cohort

open access: yesArthritis Care &Research, EarlyView.
Objective The concern that nonsteroidal anti‐inflammatory drugs (NSAIDs) may precipitate flares of inflammatory bowel disease (IBD) has limited their use in managing musculoskeletal symptoms in those with IBD, but safety data are mixed. Methods This retrospective cohort study included patients with IBD aged at least 18 years from Optum's deidentified ...
Adam S. Mayer   +4 more
wiley   +1 more source

Joint Compensation of OFDM Frequency-Selective Transmitter and Receiver IQ Imbalance

open access: yesEURASIP Journal on Wireless Communications and Networking, 2007
Direct-conversion architectures are recently receiving a lot of interest in OFDM-based wireless transmission systems. However, due to component imperfections in the front-end analog processing, such systems are very sensitive to in-phase/quadrature-phase
Deepaknath Tandur, Marc Moonen
doaj   +2 more sources

Ofdm Channel Estimation In The Presence Of Transmitter And Receiver I/Q Imbalance

open access: yes, 2008
Publication in the conference proceedings of EUSIPCO, Lausanne, Switzerland ...
Yuan-Hwui Chung, See-May Phoong
openaire   +3 more sources

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