Results 71 to 80 of about 12,332 (221)
Ocean Surface Cross Section for Bistatic HF Radar Incorporating a Six DOF Oscillation Motion Model
To investigate the characteristics of sea clutter, based on ocean surface electromagnetic scattering theory, the first- and second-order ocean surface scattering cross sections for bistatic high-frequency (HF) radar incorporating a multi-frequency six ...
Guowei Yao, Junhao Xie, Weimin Huang
doaj +1 more source
A Versatile Processing Chain for Experimental TanDEM-X Product Evaluation [PDF]
TanDEM-X is a high-resolution interferometric mission with the main goal of providing a global digital elevation model (DEM) of the Earth surface by means of single-pass X-band SAR interferometry.
Krieger, Gerhard +6 more
core
In this article, we provide a Gaussian beam‐based method to compute the RCS of dielectric and dielectric‐coated targets in both the monostatic and bistatic cases. ABSTRACT This study proposes to extend and refine the methodology of Gaussian beam summation (GBS) for computing the radar cross section (RCS) of dielectric targets in both monostatic and ...
Thomas Bonnafont +3 more
wiley +1 more source
On some spectral properties of TanDEM-X interferograms over forested areas [PDF]
This letter reports about some obervations over rainforest (in Brazil and Indonesia), where the spectra of TanDEM-X interferograms show distinct features, almost a signature, which is explained and modelled in terms of the scattering properties ...
De Zan, Francesco +2 more
core +1 more source
Moving targets often appear defocused and displaced in SAR imagery, complicating detection and recognition—especially when displaced into cluttered regions, where signal‐to‐background ratio is reduced. This work presents a multistatic SAR framework that extracts moving target signatures and reconstructs focused images, providing new insights into the ...
Francis Watson +2 more
wiley +1 more source
DISCUS - The Deep Interior Scanning CubeSat mission to a rubble pile near-Earth asteroid
We have performed an initial stage conceptual design study for the Deep Interior Scanning CubeSat (DISCUS), a tandem 6U CubeSat carrying a bistatic radar as main payload.
Bambach, Patrick +7 more
core +1 more source
This work proposes a micro‐Doppler‐assisted particle‐filtering track‐before‐detect (mD‐PF‐TBD) algorithm with a variable‐particle mechanism to robustly track UAVs in passive radar systems, particularly when they enter the Doppler‐blind zone (DBZ). As the target Doppler frequency approaches zero, the algorithm adaptively reallocates particles towards ...
Chenyu Wen +8 more
wiley +1 more source
This paper presents a long‐time coherent integration framework for bistatic space‐based early warning radar (SBEWR) systems, combining both intra‐frame and inter‐frame integration. To address challenges such as range and Doppler cell migration, phase inconsistencies and strong clutter, the proposed method first applies space‐time adaptive processing ...
Xingjia Yang +3 more
wiley +1 more source
A signal processing method of passive bistatic radar using non-cooperative pulse radar illuminators is proposed. The proposed method estimates unknown parameters of transmitting radar signal from direct-path signal, and uses estimated parameters for ...
Song Jie +3 more
doaj +1 more source
Advanced Concepts for Ultra-Wide-Swath SAR Imaging [PDF]
This paper reviews advanced multi-channel SAR system concepts for the imaging of ultra-wide swaths with high azimuth resolution. Novel system architectures and operational modes are introduced and compared to each other with regard to their ...
Bordoni, Federica +5 more
core

