Results 31 to 40 of about 4,159 (214)

Principles of construction of nanosatellite radar systems based on global navigation satellite system reflectometry

Российский технологический журнал
Objectives. The development of radar remote sensing systems based on the reception of signals of navigation satellite systems reflected from the surface enables a constellation of nanosatellites to be deployed, in order to perform radar surveying of the ...
A. V. Ksendzuk, V. F. Fateev
doaj   +1 more source

Focusing Bistatic FMCW SAR Signal by Range Migration Algorithm Based on Fresnel Approximation

Sensors, 2015
Frequency modulated continuous wave (FMCW) technique has recently been employed by synthetic aperture radar (SAR) to decrease the radar cost and volume. However, the operation range is limited by the direct energy leakage from the transmitting channel to
Yake Li, Siu O’Young
doaj   +1 more source

A Fast Bistatic ISAR Imaging Approach for Rapidly Spinning Targets via Exploiting SAR Technique

Remote Sensing, 2020
Because of the large range of cell migration (RCM) and nonstationary Doppler frequency modulation (DFM) produced by non-cooperative targets with rapid spinning motions, it is difficult to efficiently generate a well-focused bistatic inverse synthetic ...
Zhijun Yang, Dong Li, Xiaoheng Tan, Hongqing Liu, Guisheng Liao   +4 more
doaj   +1 more source

Fundamental Radar Properties: Hidden Variables in Spacetime [PDF]

, 2001
A derivation of the properties of pulsed radiative imaging systems is presented with examples drawn from conventional, synthetic aperture, and interferometric radar.
Altes, Andrew K. Gabriel, Gabriel, Goldstein, Lieb, Zebker   +5 more
core   +2 more sources

Results on bistatic synthetic aperture radar

Electronics Letters, 2004
The interest in bistatic synthetic aperture radar (SAR) has increased rapidly in recent years. This is founded in the specific advantages of bistatic SAR configurations. The calculation of the resulting bistatic resolution is quite different from the monostatic case. A general vectorial calculation in three-dimensional space is presented.
I. Walterscheid, A.R. Brenner, J.H.G. Ender   +2 more
openaire   +1 more source

Resolution and Micro-Doppler Effect in Bi-ISAR System (in English)

Leida xuebao, 2013
Compared to the monostatic radar, bistatic radar has many special characteristics because of its spatial complexity. Bistatic Inverse Synthetic Aperture Radar (Bi-ISAR) can be employed as a radar imaging tool for obtaining non-cooperative target images ...
Deng Dong-hu, Zhang Qun, Luo Ying, Li Song, Zhu Ren-fei   +4 more
doaj   +1 more source

Microwave detection of buried mines using non-contact, synthetic near-field focusing [PDF]

, 2001
Existing ground penetrating radars (GPR) are limited in their 3-D resolution. For the detection of buried land-mines, their performance is also seriously restricted by `clutter'. Previous work by the authors has concentrated on removing these limitations
ADERIN, BENJAMIN, BENJAMIN, BENJAMIN, BENJAMIN, CARTER, E. McCutcheon, EIDE, G.N. Crisp, G.S. Hilton, HABIGER, I.J. Craddock, NILAVALAN, NILAVALAN, PETERS, R. Benjamin, R. Nilavalan, S. Litobarski, VITEBSKIY   +18 more
core   +1 more source

Integrated Self-Contained Trajectory Estimation and Multistatic SAR Imaging in a Non-Static Uncoupled Bistatic Radar Network

IEEE Journal of Microwaves
Radar imaging performance can be significantly improved by creating synthetic apertures along a radar sensor's trajectory compared to standard MIMO imaging radars.
Patrick Fenske, Tobias Koegel, Roghayeh Ghasemi, Danielle Gunders-Hunt, Martin Vossiek   +4 more
doaj   +1 more source

Preservation of Historically and Scientifically Important Geospatial Data From Venus

Earth and Space Science, Volume 13, Issue 3, March 2026.
Abstract A large volume of scientifically and historically important data from the early exploration of Venus is not widely available to researchers. Our work is focused on ameliorating this problem with the archival of geospatial data including radar, topography, and radiometry.
T. J. Austin, J. G. O'Rourke, D. M. Nelson   +2 more
wiley   +1 more source

Review of Bistatic Synthetic Aperture Radar Imaging Methods

Leida xuebao
The bistatic Synthetic Aperture Radar (SAR) system, which employs spatially separated transmitting and receiving platforms, provides high-resolution imaging of terrestrial and maritime scenes and targets in complex environments.
Junjie WU, Jianyu YANG, Zhongyu LI, Wei PU, Zhichao SUN, Hongyang AN, Qing YANG   +6 more
doaj   +1 more source