Sciweavers

1174 search results - page 104 / 235
» Derivation of Characteristic Formulae
Sort
View
PERCOM
2004
ACM
16 years 4 months ago
Towards a Better Understanding of Context Attributes
The use of context as an input is one of the major characteristics of Ubiquitous Computing systems. This paper looks into the structural and the systematic features of context in ...
Tobias Zimmer
ICASSP
2008
IEEE
15 years 11 months ago
Signal approximation using the bilinear transform
This paper explores the approximation properties of a unique basis expansion, which realizes a bilinear frequency warping between a continuous-time signal and its discrete-time re...
Archana Venkataraman, Alan V. Oppenheim
ICC
2007
IEEE
124views Communications» more  ICC 2007»
15 years 10 months ago
On the Connected Nodes Position Distribution in Ad Hoc Wireless Networks with Statistical Channel Models
—In this paper the problem of evaluating the statistics of the connected nodes position in a multi-hop wireless random ad hoc network is addressed. In particular, an analytical m...
Davide Dardari
VTC
2006
IEEE
124views Communications» more  VTC 2006»
15 years 10 months ago
Accurate BER Analysis of QPSK Modulated Asynchronous DS-CDMA Systems Communicating over Rayleigh Channels
Abstract— The accurate average BER calculation of an asynchronous DS-CDMA system using random spreading sequences is studied in Rayleigh fading channels. An accurate closedform e...
Xiang Liu, Lajos Hanzo
ICNC
2005
Springer
15 years 10 months ago
Segmentation of SAR Image Using Mixture Multiscale ARMA Network
Abstract. A mixture multiscale autoregressive moving average (ARMA) network is proposed for unsupervised segmentation of synthetic aperture radar (SAR) image. The network combines ...
Haixia Xu, Tian Zheng, Fan Meng