Results 161 to 170 of about 19,527 (219)

Error-Constrained Entropy-Minimizing Strategies for Multi-UAV Deception Against Networked Radars. [PDF]

Entropy (Basel)
Ban H, Pan J, Wang Z, Cui R, Ming Y, Jiang Q.   +5 more
europepmc   +1 more source

TDP-SAR: Task-Driven Pruning Method for Synthetic Aperture Radar Target Recognition Convolutional Neural Network Model. [PDF]

Sensors (Basel)
Zheng T, Wu Q, Yu C.
europepmc   +1 more source

How buoyancy-driven circulations shape momentum transport within the convective boundary layer: insights from Doppler lidar

Nuijens L, Neto JD.
europepmc   +1 more source

Polarimetric Radar Remotoe Sensing

Polarimetric Radar Remotoe Sensing
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Polarimetric Ultrawideband Radar

2012 IEEE International Geoscience and Remote Sensing Symposium, 2012
In this paper the principles of polarimetric Ultrawideband Radar are discussed. First an overview of the state of the art and the theory is given. The calibration principles of polarized UWB Radar data as well as possible imaging algorithms are discussed.
E. Malz, R. Zetik, P. Semashko, R. S. Thoma, A. P. Garzia Ariza   +4 more
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Polarimetric laser radar target classification

Optics Letters, 2005
Imaging laser radar (ladar) systems have been developed for automatic target identification in surveillance systems. Ladar uses the range value at the target pixels to estimate the target's 3-D shape and identify the target. For targets in clutter and partially hidden targets, there are ambiguities in determining which pixels are on target that lead to
Cornell S L, Chun, Firooz A, Sadjadi
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Polarimetric Doppler Radar

2019
Basic principles of a polarimetric Doppler radar are described in this chapter. These include formation of the transmitted EM wave by a pulsed radar, reception of the radar signal reflected from a single scatterer, and its transformation in the antenna, microwave assembly, and two receivers for orthogonally polarized components of the backscattered EM ...
Alexander V. Ryzhkov, Dusan S. Zrnic
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Polarimetric FMCW weather radar

2015 23nd Signal Processing and Communications Applications Conference (SIU), 2015
This study which was conducted as a Master's thesis, is a radar system working at X band. In this system, a 2 Watt continuous electromagnetic wave which is modulated with frequency ramp of 30 MHz bandwidth is generated and radiated through TX antenna. The scattered signal from the hydrometeors is multiplied with the transmitted one and beat signal is ...
Salih Coskun, Ali Ozgur Yilmaz, Sencer Koc, Mert Celik   +3 more
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Polarimetric borehole radar

54th EAEG Meeting, 1992
Directional borehole radars have good potential (or 3-D determination of water-filled fractures and geological boundaries. The choice of polarization of electromagnetic wave used for measurements are quite significant in designing radar systems. Circular polarization has advantages for Ground penetrating radars (GPR), because the reflection efficiency ...
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