نتایج جستجو برای: direct channel

تعداد نتایج: 637173  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده مهندسی برق و کامپیوتر 1391

در این پایان نامه اثر علیت بر مسایل ترکیب توام کدینگ منبع و کانال(jscc) برای ارسال ویدیو در در کانال بیسیم بررسی میگردد. ابتدا کارایی روش jscc بر روی کدینگ ویدیو سری h ، h.264 در کانال بی سیم بررسی می شود. در این روش، بر اساس نرخ بیت ارسال و همچنین اطلاعات علّی وضعیت کانال در دسترس فرستندهcsit) causal) که به واسطه فیدبک در دسترس آن قرار می-گیرد. نرخ بیت بهینه به کدینگ منبع و کانال اختصاص داده می...

Journal: :American journal of physiology. Renal physiology 2006
Oleh Pochynyuk Qiusheng Tong Alexander Staruschenko He-Ping Ma James D Stockand

The epithelial Na(+) channel (ENaC) is an end-effector of diverse cellular signaling cascades, including those with phosphatidylinositide second messengers. Recent evidence also suggests that in some instances, phospatidylinositides can directly interact with ENaC to increase channel activity by increasing channel open probability and/or membrane localization. We review here findings relevant t...

Journal: :EURASIP J. Adv. Sig. Proc. 2014
Qi Gu Gongpu Wang Li Gao Mugen Peng

In this paper, both the security and the reliability performance of the cognitive amplify-and-forward (AF) relay system are analyzed in the presence of the channel estimation error. The security and the reliability performance are represented by the outage probability and the intercept probability, respectively. Instead of perfect channel state information (CSI) predominantly assumed in the lit...

Journal: :Physical review fluids 2022

We use a simple linearized Navier-Stokes-based model to study the large-scale quasistreamwise rolls in unstably stratified turbulent channel flows. As influence of buoyancy-driven mechanisms (relative shear-driven mechanisms) increases, channel-wide structures with two-peaks intensity temperature emerges from linear model, consistent direct numerical simulations.

Journal: :European Journal of Operational Research 2008
Aussadavut Dumrongsiri Ming Fan Apurva Jain Kamran Moinzadeh

We study a dual channel supply chain in which a manufacturer sells to a retailer as well as to consumers directly. Consumers choose the purchase channel based on price and service qualities. The manufacturer decides the price of the direct channel and the retailer decides both price and order quantity. We develop conditions under which the manufacturer and the retailer share the market in equil...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2003
Gautam Bhave Hui-Juan Hu Kathi S Glauner Weiguo Zhu Haibin Wang D J Brasier Gerry S Oxford Robert W Gereau

Protein kinase C (PKC) modulates the function of the capsaicin receptor transient receptor potential vanilloid 1 (TRPV1). This modulation manifests as increased current when the channel is activated by capsaicin. In addition, studies have suggested that phosphorylation by PKC might directly gate the channel, because PKC-activating phorbol esters induce TRPV1 currents in the absence of applied l...

Journal: :Transaction of the Visualization Society of Japan 2012

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