Results 111 to 120 of about 4,370 (213)

GENERALIZED INVERSE BEAMFORMING INVESTIGATION AND HYBRID ESTIMATION

open access: yes, 2020
Conventional beamforming, among the several techniques that can be used for noise source localization, has been widely used in complex problems, including aeroacoustics applications.
W De Roeck   +5 more
core  

Robust Hybrid Beamforming With Quantized Deep Neural Networks

open access: yes2019 IEEE 29th International Workshop on Machine Learning for Signal Processing (MLSP), 2019
Hybrid beamforming is integral to massive multiple-input multiple-output (MIMO) communications in reducing the training overhead and hardware cost associated with large antenna arrays. Prior works have employed optimization and greedy search to jointly estimate the precoder and combiner weights.
Ahmet M. Elbir, Kumar Vijay Mishra
openaire   +2 more sources

Multidimensional Waveform Encoding for Synthetic Aperture Radar Remote Sensing

open access: yes, 2007
This paper introduces and analyses the innovative concept of multidimensional waveform encoding for spaceborne synthetic aperture radar (SAR). The combination of this technique with digital beamforming on receive enables a new class of highly ...
Moreira, Alberto   +5 more
core   +1 more source

Wideband AoA estimation and beamforming with hybrid antenna array

open access: yes, 2011
High speed long range millimetre-wave (mm-wave) links can be achieved by using wideband hybrid antenna arrays of sub-arrays. However, conventional wideband angle-of-arrival (AoA) estimation and beamforming algorithms are not applicable to the wideband ...
Guo, YJ   +3 more
core   +1 more source

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