Results 21 to 30 of about 141,810 (209)
Reconstructing ice-sheet accumulation rates at ridge B, East Antarctica [PDF]
, 2004 Understanding how ice sheets responded to past climate change is fundamental to forecasting how they will respond in the future. Numerical models calculating the evolution of ice sheets depend upon accumulation data, which are principally available from ...
Antony J. Payne +3 more
core +2 more sources
Measurements and analysis of the radar cross section of chaff dipoles
IET Radar, Sonar & NavigationA free space test method to measure the Radar Cross Section (RCS) of single dipole elements is presented. The method is such that dipoles can be measured over a large range of frequencies, in free space and without the need of an anechoic chamber.
Alessio Balleri, Brian Butters
doaj +1 more source
Radar Cross-section Measurement Techniques
Defence Science Journal, 2010 Radar cross-section (RCS) is an important study parameter for defence applications specially dealing with airborne weapon system. The RCS parameter guides the detection range for a target and is therefore studied to understand the effectiveness of a weapon system.
V. Borkar +3 more
openaire +1 more source
Statistical analysis of hypersonic glide vehicle radar cross section
IET Radar, Sonar & NavigationThe capability to design, manufacture and test Hypersonic Glide Vehicles (HGVs) has been demonstrated by a number of nations, and they are increasingly forming part of military inventories, potentially offering capabilities highly unique to this ...
Jonathan Pinto +3 more
doaj +1 more source
System‐based specifications for better design of ground‐penetrating radar antennas
IET Microwaves, Antennas & Propagation, 2023 Currently, no publicly available comprehensive set of specifications exists for the design of ground‐penetrating radar antennas. Specifications are presented and derived for the design of a ground‐penetrating radar antenna based on the antenna's ...
Samuel Wagner +3 more
doaj +1 more source
Non‐Rayleigh Statistics of Ultrasonic Backscattered Echo from Tissues [PDF]
, 1994 The envelope of the backscattered signal from tissues can exhibit non‐Rayleigh statistics if the number density of scatterers is small or if the variations in the scattering cross sections are random. The K distribution which has been used extensively in
Molthen, Robert C. +3 more
core +1 more source
Characterization of surface radar cross sections at W-band at moderate incidence angles [PDF]
, 2017 This paper presents the results of a recent flight campaign conducted over the Great Lakes region and reports the first observations of the W-band normalized backscattered cross section ( σ0 ) for V and H polarization and the linear depolarization ratios
Battaglia, Alessandro +6 more
core +1 more source
Deep Network for Simultaneous Decomposition and Classification in UWB-SAR Imagery
, 2018 Classifying buried and obscured targets of interest from other natural and manmade clutter objects in the scene is an important problem for the U.S. Army.
Guo, Tiantong +3 more
core +1 more source
IET Radar, Sonar & NavigationMethod of moments is one of the most useful approaches for radar cross‐section (RCS) simulation, allowing, that is, the computation of the scattering of real objects from 3D models. However, it is limited by computer memory and computation time.
Witold Bużantowicz +1 more
doaj +1 more source
International Journal of Antennas and Propagation, 2014 This paper presents a joint direction-of-departure (DOD) and direction-of-arrival (DOA) estimation in a multiple-input multiple-output (MIMO) radar utilizing ultra wideband (UWB) signals in detecting targets with fluctuating radar cross sections (RCS ...
Idnin Pasya +2 more
doaj +1 more source