نتایج جستجو برای: transmitter

تعداد نتایج: 18487  

2002
Alfred Mertins

This paper addresses the joint design of transmitter and receiver for multichannel data transmission over dispersive channels. The transmitter is assumed to consist of FIR filters and the channel impulse response is allowed to have arbitrary length. The design criterion is the maximization of the information rate between transmitter input and receiver output under the constraint of a fixed tran...

Journal: :Journal of neurophysiology 1998
S Y Hua D A Raciborska W S Trimble M P Charlton

Different VAMP/synaptobrevin complexes for spontaneous and evoked transmitter release at the crayfish neuromuscular junction. J. Neurophysiol. 80: 3233-3246, 1998. Although vesicle-associated membrane protein (VAMP/synaptobrevin) is essential for evoked neurotransmitter release, its role in spontaneous transmitter release remains uncertain. For instance, many studies show that tetanus toxin (Te...

2011
Wang Hoon Lee Jong-Wan Kim Kazuaki Sawada Makoto Ishida

The wireless smart sensors have been proposed not only for high-risk and chronically ill patients but also in the healthcare field. The radio frequency(RF) transmitter is necessary to fabricate wireless smart sensors. This paper presents a proposal of the complementary metal-oxide-semiconductor(CMOS) RF transmitter using pulse width modulation(PWM) method. The major advantage of the PWM is a pe...

2004
Qinwen Wang Michael J. Rowan Ayse Pinar Saygin Stephen M. Wilson Donald J. Hagler Elizabeth Bates Martin I. Sereno

The molecular calcium sensor responsible for transmitter release has been one of the holy grails of molecular neurobiology. For a number of years, attention has focused on synaptotagmins that have many of the necessary attributes. For example, evoked release is reduced when synaptotagmin I is blocked or eliminated. However, the story is not so simple, because loss of synaptotagmins does not com...

2007
Jamal M. Alattar Jaafar M. H. Elmirghani

An adaptive approach is used to adjust the transmit power of each beam in a line strip multi-beam optical transmitter based on information about the quality of the received signal due to each spot. The system assumes a feedback link between the optical transceivers. Diversity detection is employed to combat the degrading effect of the background noise in the channel with a 7detectors angle dive...

2006
ROMAN M. VITENBERG

In this paper we present a system design of an integrated Transmitter for broadcast and broadband applications in Cable TV System, based on the novel WFMT modulation. First, we describe the WFMT system suitability for Cable TV Applications. The effect of a quality wavelet synthesis on system performance is analyzed too. We then propose architecture of an integrated WFMT Transmitter for Cable TV...

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In an environment such as underwater channel where placing test equipments are difficult to handle, it is much practical to have hardware simulators to examine suitably designed transceivers (transmitter/receiver). The simulators of this kind will then allow researchers to observe their intentions and carry out repetitive tests to find suitable digital coding/decoding algorithms. In this p...

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