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ACL
2011
14 years 1 months ago
2011
We analyze collective discourse, a collective human behavior in content generation, and show that it exhibits diversity, a property of general collective systems. Using extensive ...
ICC
2007
IEEE
15 years 4 months ago
2007
IEEE
— This paper describes a combined modulation scheme for time hopping ultra wideband (TH-UWB) radio systems using on-off keying (OOK) and pulse shape modulation (PSM). For this sc...
EUC
2005
Springer
15 years 3 months ago
2005
Springer
Abstract. Pyroelectric sensors can detect changes of infrared rays. Usually, typical pyroelectric sensors are the digital output type, used for lighting switches and security syste...
TWC
2008
14 years 9 months ago
2008
We combine space-time coding and transmit beamforming over multiple-antenna quasi-static fading channels using resolution-constrained channel state information at the transmitter ...
IROS
2007
IEEE
15 years 4 months ago
2007
IEEE
— In the field of mobile robotics, trajectory details are seldom taken into account to qualify robot performance. Most metrics rely mainly on global results such as the total ti...