Results 261 to 270 of about 218,468 (291)
Some of the next articles are maybe not open access.

Radar Cross Section

1989
Radar cross section (RCS) is a measure of the electromagnetic energy intercepted and reradiated at the same wavelength by any object. The dimensions are those of an area, usually square meters. The object of interest is compared to an idealized object that is large with respect to a wavelength, has an intercept area of one square unit, is perfectly ...
openaire   +1 more source

Radar Cross Section Enhancing Structures for Automotive Radars

IEEE Antennas and Wireless Propagation Letters, 2018
As automotive radar and driver assistance systems prevail, weak scattering targets such as pedestrians and bicycles can be applied with radar cross section (RCS) enhancing structures to improve road safety. Low-profile structures, which comprise straight and ring-shaped ridges mounted on metal plates, are developed in the 24 GHz band to provide the ...
Wen-Jiao Liao   +4 more
openaire   +2 more sources

Active Radar Cross Section Reduction

2015
This book discusses the active and passive radar cross section (RCS) estimation and techniques to examine the low observable aerospace platforms. It begins with the fundamentals of RCS, followed by the dielectric, magnetic and metamaterials parameters of the constituent materials and then explains various methods and the emerging trends followed in ...
Hema Singh, Rakesh Mohan Jha
openaire   +1 more source

Optimal radar cross section estimation in synthetic aperture radar

2017 IEEE First Ukraine Conference on Electrical and Computer Engineering (UKRCON), 2017
Synthetic aperture radar (SAR) is a widely used technique suited for real-time and all-weather imaging of natural surfaces and artificial objects. To improve image resolution and increase accuracy of radar cross section estimation the problem of statistical synthesis of signal processing algorithm in SAR is solved. Proposed method allows to form images
V. K. Volosyuk, S. S. Zhyla
openaire   +1 more source

Radar-Absorbent Material and Radar Cross Section

2020
Radiation-absorbent material, usually known as RAM, is a material which has been specially designed and shaped to absorb incident RF radiation, as effectively as possible, from as many incident directions as possible. The more effective the RAM, the lower the resulting level of reflected radio-frequency (RF) radiation.
openaire   +1 more source

Radar cross section computational techniques

IEEE Antennas and Propagation Society International Symposium 1992 Digest, 1992
The status of numerical techniques for radar signature prediction, including an approximate, asymptotic method for solving Maxwell's equations for incident radiation of small wavelengths as well as two numerically exact methods based on solving Maxwell's equations in the partial differential and integral forms, are discussed.
openaire   +1 more source

Compressive Radar Cross Section Computation

2020
Compressive Sensing (CS) is a novel signal-processing paradigm that allows sampling of sparse or compressible signals at lower than Nyquist rate. The past decade has seen substantial research on imaging applications using compressive sensing. In this thesis, CS is combined with the commercial electromagnetic (EM) simulation software newFASANT to ...
openaire   +2 more sources

Radar cross section measurement in terahertz

2016 Progress in Electromagnetic Research Symposium (PIERS), 2016
A free-space measurement system at 220 GHz ∼ 300 GHz has been built with stepped frequency continuous wave (SFCW) for Radar cross section (RCS) measurements. The system consists of vector network analyzer, Millimeter-Wave Converters and target support structure.
null Yang Wu, null Yang Bai
openaire   +1 more source

Radar cross-section measurements of insects

Proceedings of the IEEE, 1973
A simple method to measure backscatter cross sections of live insects at 10-cm wavelength using an ultra-high resolution scanning FM-CW tropospheric radar sounder is described. The technique involves suspending an insect along a line between two metal spheres and comparing insect and sphere cross sections.
J.H. Richter, D.R. Jensen
openaire   +1 more source

Radar Cross Section Fundamentals

1993
The radar cross section of an object exposed to a radar is a fictitious area that describes the intensity of the wave reflected back to the radar. The RCS, as it is known in the trade, can be stated in very simple terms: it is the projected area of an electrically large, perfectly conducting sphere whose echo strength would match that of the target if ...
openaire   +1 more source

Home - About - Disclaimer - Privacy