نتایج جستجو برای: clock centers

تعداد نتایج: 158899  

Journal: :Remote Sensing 2022

The BeiDou Global Navigation Satellite System (BDS-3) can provide PPP-B2b satellite-based Precise Point Positioning (PPP) real-time service to the Asia–Pacific region via signal transmitted from three Geostationary Earth Orbit (GEO) satellites. This paper provides a comprehensive evaluation of accuracies satellite’s precise orbit and clock products, including BDS-3 products provided by four IGS...

Journal: :Logical Methods in Computer Science 2021

Clock-dependent probabilistic timed automata extend classical with discrete choice, where the probabilities are allowed to depend on exact values of clocks. Previous work has shown that quantitative reachability problem for clock-dependent at least three clocks is undecidable. In this paper, we consider subclass have one clock, clock dependencies described by affine functions, and satisfy an in...

Journal: :Trends in cell biology 2006
Gad Asher Ueli Schibler

Mammalian physiology is governed by a complex circadian timing system that involves interacting positive and negative transcriptional feedback loops. A key role in this feedback loop was attributed to the PAS domain helix-loop-helix protein CLOCK, on the basis of a dominant-negative mutation in this transcription factor. However, recent experiments by Reppert and coworkers with Clock knockout m...

Journal: :Asian Journal of Agricultural Extension, Economics and Sociology 2022

The present study was purposively carried out in Kashmir Division of Jammu and based on the availability records for data collection at respective Government, Veterinary Healthcare Centers. aim to get a knowhow about various challenges encountered by veterinarians dairy farmers while delivering animal healthcare services Kashmir. many challenges/obstacles that encounter providing services, abse...

الماسی, سعیده, بهنود, فنح الله, حسن طهرانی, طیبه, خلیلی, آرش, روشنایی, قدرت الله, چراغی, فاطمه,

Introduction: Lack of effective control in postoperative pain can cause sleep disturbance, decreased fluid intake and incidence of behavioral changes, such as restlessness, irritability and reduced activity and play. Therefore, this study was performed with the aim of determining the effectiveness of Around-The-Clock (ATC) analgesic administration on the quality of sleep and behavioral chan...

Journal: :AIP Advances 2023

Nitrogen-vacancy (NV) centers in diamond as ideally individual spin quantum systems can be coherently manipulated by microwave fields. Compared to the traditional method using IQ (In-phase/Quadrature) mixer with a local oscillator and intermediate-frequency (IF) signals, we report an effective technically simple generate required field frequency multiplication realize coherent manipulation of N...

Multi-Supply voltage design using Cluster Voltage Scaling (CVS) is an effective way to reduce power consumption without performance degradation. One of the major issues in this method is performance and power overheads due to insertion of Level Converting Flip-Flops (LCFF) at the interface from low-supply to high-supply clusters to simultaneously perform latching and level conversion. In this p...

Quantum dot cellular automata (QCA) introduces a pioneer technology in nano scale computer architectures. Employing this technology is one of the solutions to decrease the size of circuits and reducing power dissipation. In this paper, two new optimized FlipFlops with reset input are proposed in quantum dot cellular automata technology. In addition, comparison with related works is performed.Th...

Journal: :Proceedings of the National Academy of Sciences 1984

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