نتایج جستجو برای: sdr

تعداد نتایج: 2123  

Journal: :Signal Processing Systems 2011
Raveendranatha P. Mahesh A. Prasad Vinod Edmund Ming-Kit Lai Amos Omondi

The ability to support multiple channels of different communication standards, in the available bandwidth, is of importance in modern software defined radio (SDR) receivers. An SDR receiver typically employs a channelizer to extract multiple narrowband channels from the received wideband signal using digital filter banks. Since the filter bank channelizer is placed immediately after the analog-...

Journal: :Neurocomputing 2014
Khoat Than Tu Bao Ho Duy Khuong Nguyen

We consider supervised dimension reduction (SDR) for problems with discrete inputs. Existing methods are computationally expensive, and often do not take the local structure of data into consideration when searching for a low-dimensional space. In this paper, we propose a novel framework for SDR with the aims that it can inherit scalability of existing unsupervised methods, and that it can expl...

2016
Prithviraj Shome Jalil Modares Nicholas Mastronarde Alexander Sprintson

Dynamic reconfiguration and network programmability are active research areas. State of the art solutions use the Software Defined Networking (SDN) paradigm to provide basic data plane abstractions and programming interfaces for control and management of these abstractions; however, SDN technologies are currently limited to wiredions; however, SDN technologies are currently limited to wired net...

2000
Christian Bonnet Giuseppe Caire Alain Enout Pierre A. Humblet Giuseppe Montalbano Alessandro Nordio Dominique Nussbaum

− Today’s and near future mobile communication systems need to provide universal seamless connection to the users between different standards and types of service. This requires a significant degree of flexibility that can be provided by Software Defined Radio (SDR) terminals. Eurécom and EPFL have started a joint project whose objective is to study and implement a real-time SDR communication p...

Journal: :Brain and cognition 2008
Erin R Foster Kevin J Black Jo Ann V Antenor-Dorsey Joel S Perlmutter Tamara Hershey

Studies suggest motor deficit asymmetry may help predict the pattern of cognitive impairment in individuals with Parkinson disease (PD). We tested this hypothesis using a highly validated and sensitive spatial memory task, spatial delayed response (SDR), and clinical and neuroimaging measures of PD asymmetry. We predicted SDR performance would be more impaired by PD-related changes in the right...

Journal: :Neural computation 2015
Hiroaki Sasaki Voot Tangkaratt Gang Niu Masashi Sugiyama

Sufficient dimension reduction (SDR) is aimed at obtaining the low-rank projection matrix in the input space such that information about output data is maximally preserved. Among various approaches to SDR, a promising method is based on the eigendecomposition of the outer product of the gradient of the conditional density of output given input. In this letter, we propose a novel estimator of th...

Journal: :IEICE Transactions 2006
Kei Mizutani Kei Sakaguchi Jun-ichi Takada Kiyomichi Araki

A multiple-input multiple-output software defined radio (MIMO-SDR) platform was developed for implementation of MIMO transmission and propagation measurement systems. This platform consists of multiple functional boards for baseband (BB) digital signal processing and frequency conversion of 5 GHz-band radio frequency (RF) signals. The BB boards have capability of arbitrary system implementation...

2015
Byeong-Jo Kim Jung-Hoon Lee

[Purpose] The aim of this study was to evaluate the effects of scapula-upward taping (SUT) in a patient with shoulder pain caused by scapular downward rotation (SDR). [Subject] A 26-year-old male with SDR experienced severe pain in the left shoulder when he lifted his left upper extremity to hold the handle in a bus and during and after push-up exercise. [Methods] The patient underwent SUT for ...

Journal: :EURASIP J. Adv. Sig. Proc. 2014
Ganda Stéphane Ouedraogo Matthieu Gautier Olivier Sentieys

The field-programmable gate array (FPGA) technology is expected to play a key role in the development of software-defined radio (SDR) platforms. As this technology evolves, low-level designing methods for prototyping FPGA-based applications did not change throughout the decades. In the outstanding context of SDR, it is important to rapidly implement new waveforms to fulfill such a stringent fle...

Journal: :The American journal of physiology 1998
H Kusuhara Y H Han M Shimoda E Kokue H Suzuki Y Sugiyama

We examined the role of the canalicular multispecific organic anion transporter (cMOAT) in the biliary excretion of reduced folate derivatives in vivo and in vitro using normal [Sprague-Dawley rats (SDR)] and mutant [Eisai hyperbilirubinemic rats (EHBR)] rats whose cMOAT is hereditarily deficient. In vivo, the biliary excretion of endogenous tetrahydrofolate (H4PteGlu), 5-methyltetrahydrofolate...

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