نتایج جستجو برای: transmission loss

تعداد نتایج: 677115  

2015
Heetae Kim

In this study, we allocate Greenhouse gas (GHG) emissions of electricity transmission to the consumers. As an allocation basis, we introduce energy distance. Energy distance takes the transmission load on the electricity energy system into account in addition to the amount of electricity consumption. As a case study, we estimate regional GHG emissions of electricity transmission loss in Chile. ...

Journal: :IEICE Transactions 2010
Dae-Young Kim Jinsung Cho Ben Lee

Reliable data transmission is desirable in wireless sensor networks due to the high packet loss rate during multi-hop transmissions. To reliably transmit data for event-driven applications, packet loss recovery mechanism is needed. For loss recovery, sensor nodes need to keep packets in their buffers until transmissions successfully complete. However, since sensor nodes have limited memory, pac...

Journal: :EURASIP J. Wireless Comm. and Networking 2012
Moonsoo Kang Hosung Park Jeonghoon Mo

In this article, we propose a novel loss recovery algorithm of transmission control protocol (TCP) using packet transmission order, which shows a steady loss recovery ability even though packet loss rate increases. This leads to a significant throughput increase of TCP with heavy packet loss. We have verified the performance increase of the new TCP under various environments such as a wireless ...

2007
Hao Wen Chuang Lin Hongkun Yang Fengyuan Ren

— Most previous models about wireless channel are proposed to capture long-time channel characteristics. However, when we combine group transmission with error correcting mechanisms, the steady-state probabilities are no longer accurate enough to depict the short-time loss states. In this paper, we propose a new analytical model for group transmission which can capture influences of initial cha...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1382

‏‎translation as a comunicative process is always said to be associated with various aspects of meaning loss or gain. subtitling as a mode of translating, due to special discoursal and textual conditions imposed upon it, is believed to be an obvious case of this loss or gain. presenting the spoken sound track of a film in writing and synchronizing the perception of this text by the viewers with...

Journal: :journal of research in rehabilitation sciences 0
محیا شریفی نیک سیما تاجیک قاسم محمدخانی شهره جلایی mahya sharifinik sima tajik

abstract   introduction: conductive hearing loss attenuates and delays sound transmission in the middle ear. it can make variety of central auditory processing disorders; that persists even after resolve of peripheral auditory system problems. one of the aspects of central auditory processing is the temporal processing, which is important for understanding speech, including temporal resolution,...

2005
Bulent Cavusoglu Dan Schonfeld Rashid Ansari

A real−time adaptive rate control algorithm for video transmission is presented. The proposed algorithm aims to determine the optimal rate at which the video should be sent through the network in order to minimize the expected distortion while meeting the delay requirements. The packet loss rate is assumed to be a function of the transmission rate. The nodes of the network over which video pack...

ژورنال: زیست شناسی ایران 2020

Zoonotic transmission of novel viruses represents a significant threat to global public health and is fueled by globalization, the loss of natural habitats, and exposure to new hosts. For oronaviruses (CoVs), broad diversity exists within bat populations and uniquely positions them to seed future emergence events. In this review, we explore the host and viral dynamics that shape these CoV popul...

Journal: :The Journal of the Acoustical Society of America 2013
Vincent Phong Dimitri Papamoschou

A study has been conducted on the transmission loss of perforated plates at normal incidence. The investigation includes a theoretical analysis of the problem with validation through experimentation. The experiments comprised microphone measurements of transmission loss for 11 perforated plates with variable thickness, hole size, and porosity. The theoretical model is based on planar wave propa...

2012
Pallavi Doradla Cecil S. Joseph Jayant Kumar Robert H. Giles

Low-loss hollow flexible metal/dielectric coated polycarbonate waveguides have been designed and fabricated for the maximal transmission of Terahertz radiation (THz). Attenuation characteristics of Terahertz radiation in Ag/Au coated waveguides with bore diameters 4.1 mm, 3.2 mm, 2 mm were studied at 215 μm wavelength and the maximal transmission was obtained by coupling the lowest loss TE11 mo...

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