Results 21 to 30 of about 9,391,173 (295)

Optimal waveform design for UWB radios [PDF]

IEEE Transactions on Signal Processing, 2004
With transmit power spectra strictly limited by regulatory spectral masks, the emerging ultra-wideband (UWB) communication systems call for judicious pulse shape design in order to achieve optimal spectrum utilization, spectral mask compatibility, and coexistence with other wireless services.
Xianren Wu, Zhi Tian, Timothy N. Davidson, Georgios B. Giannakis   +3 more
openaire   +2 more sources

Development of an RF IV waveform based stress test procedure for use on GaN HFETs [PDF]

, 2012
This paper reports on the development of an RF IV waveform based stress test procedure. DC and low-voltage RF characterisation was carried out before and after high power RF stress.
Tasker, Paul J., Benedikt, Johannes, McGenn, William, Uren, Michael J.   +3 more
core   +1 more source

Fetal electrocardiogram: ST waveform analysis in intrapartum surveillance [PDF]

, 2007
ST waveform analysis of fetal electrocardiogram (ECG) for intrapartum surveillance (STAN) is a newly introduced method for fetal surveillance. The purpose of this commentary is to assist in the proper use of fetal ECG in combination with cardiotocography
I Amer‐Wahlin, S Arulkumaran, Marsál, K, H Hagberg, Hagberg, H, GHA Visser, Visser, GH, Arulkumaran, S., Visser, G. H. A., Amer-Wåhlin, Isis,, Marsal, Karel,, Amer-Wåhlin, Isis, K Maršál, Marsal, Karel, Arulkumaran, S, Amer-Wahlin, I, Lund University., Visser, GHA, Hagberg, H.   +18 more
core   +1 more source

Double-component combined generalized weighted fractional Fourier transform based waveform design for massive MIMO

Tongxin xuebao, 2023
In order to overcome the drawback of conventional diversity technologies that sacrificing valuable communication resources such as data rate or bandwidth in massive multiple input multiple output (MIMO) systems, a double-component combined generalized ...
Xingjian LI, Zhiqun SONG, Yong LI, Lizhe LIU, Bin WANG, Chang WANG   +5 more
doaj   +2 more sources

Implementation of Pulse Radar Waveform Based on Software Radio Platform

MATEC Web of Conferences, 2015
Based on the frequency and phase modulated signal, the authors design some commonly-used pulse radar baseband waveform, such as linear frequency modulated waveform, nonlinear frequency modulated waveform, Costas waveform, Barker coding waveform and multi-
Wang Dong, Dong Jian, Xiao Shunping
doaj   +1 more source

Well-conditioned asymptotic waveform evaluation for efficient computation of wave-scattering from perfectly conducting bodies [PDF]

, 2007
This paper presents a model order reduction algorithm for the surface electric field integral equation (EFIE) formulation of the electromagnetic wave scattering problem.
Conor Brennan, Bradley, Patrick, Condon, Marissa, Marissa Condon, Patrick Bradley, Brennan, Conor   +5 more
core   +2 more sources

MIMO Radar Adaptive Waveform Design for Extended Target Recognition

International Journal of Distributed Sensor Networks, 2015
The problems of multiple-input multiple-output (MIMO) radar adaptive waveform design in additive white Gaussian noise channels and multitarget recognition based on sequential likelihood ratio test are jointly addressed in this paper.
Lulu Wang, Kai-Kit Wong, Hongqiang Wang, Yuliang Qin   +3 more
doaj   +1 more source

Enhanced Hybrid TIM-TDMA to Maximize the Total Throughput With Fairness Constraints

IEEE Open Journal of the Communications Society
This paper addresses the problem of topological interference management (TIM) in ad hoc networks operating under a frequency-flat Rayleigh fading channel in single-input single-output (SISO). Assuming that the nodes have access to the statistical channel
David Jia, Xavier Leturc, Christophe J. Le Martret, Mohamad Assaad   +3 more
doaj   +1 more source

Multi-Target Robust Waveform Design Based on Harmonic Variance and Mutual Information

Advances in Mathematical Physics, 2020
Cognitive radar is an intelligent radar system, and adaptive waveform design is one of the core problems in cognitive radar research. In the previous studies, it is assumed that the prior information of the target is known, and the definition of target ...
Bin Wang, Shuangqi Yu
doaj   +1 more source

A Survey of Collocated MIMO Radar

Leida xuebao, 2022
As a novel radar system, the Multiple-Input Multiple-Output (MIMO) radar with waveform diversity has demonstrated excellent performance in several aspects, including target detection, parameter estimation, radio frequency stealth, and anti-jamming ...
Zishu HE, Ziyang CHENG, Jun LI, Wei ZHANG, Jingxi SHI, Yang SU, Minglong DENG   +6 more
doaj   +1 more source