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surface radar cross section

Calculating Radar Cross Section of Lossy Targets Using the Surface Impedance Approach

Calculating Radar Cross Section of Lossy Targets Using the Surface Impedance Approach

... the surface impedance approach to calculate the RCS of an infinite lossy resistive rectangular conducting strip in quasi Transverse Electromagnetic (TEM) frequency ...the surface impedance technique for the ...

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RADAR CROSS SECTION PREDICTION TECHNIQUES AND THEIR APPLICATIONS

RADAR CROSS SECTION PREDICTION TECHNIQUES AND THEIR APPLICATIONS

... unknown surface current ...the surface becomes very thin, such as for Wires, and thin Cylinders, the EFIE must be used because of the difficulty in adequately representing in MFIE for these ...

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Study of frequency selective surfaces on radar cross section reduction

Study of frequency selective surfaces on radar cross section reduction

... in radar cross section reduction (RCSR), a periodic array of frequency selective surfaces (FSSs) which exploits a non-metallic ground plane and slot embedded in the patch elements have been ...lower ...

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The Effect of the Dimensions of the Body on the Radar Cross Section (RCS)

The Effect of the Dimensions of the Body on the Radar Cross Section (RCS)

... Electromagnetic waves are related patterns of the electric and magnetic fields, they are perpendicular to each other, i.e., the angle between them is 90E. On the other hand, the two fields are perpendicular to the line ...

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Reflectarray antenna with radar cross section reduction

Reflectarray antenna with radar cross section reduction

... This paper presents the design of a low RCS reflectarray at 8.52 GHz by replacing the solid metal sheet behind the antenna with a band stop frequency selective surface. A 50 element linear array of ...

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Polarization Conversion Metasurface for Broadband Radar Cross Section Reduction

Polarization Conversion Metasurface for Broadband Radar Cross Section Reduction

... loading radar absorbing materials (RAM) or coatings ...selective surface (FSS) radome [3], as well as loading electromagnetic band-gap (EBG) radio absorbers ...

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Study of Frequency Selective Surfaces on Radar Cross Section Reduction

Study of Frequency Selective Surfaces on Radar Cross Section Reduction

... the radar cross section reduction, RCSR [1] is one of the techniques that can reduce radar cross section, ...the radar but it also has significant ...the radar ...

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Reflectarray Antenna with Radar Cross-Section Reduction

Reflectarray Antenna with Radar Cross-Section Reduction

... This paper presents the design of a low RCS reflectarray at 8.52 GHz by replacing the solid metal sheet behind the antenna with a band stop frequency selective surface. A 50 element linear array of ...

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Robust Semi-Deterministic Facet Model for Fast Estimation on EM Scattering from Ocean-Like Surface

Robust Semi-Deterministic Facet Model for Fast Estimation on EM Scattering from Ocean-Like Surface

... monostatic radar, one dimensional surface or insurmountable computational ...real surface with two types of irregularities: Large waves whose radius of curvature is great enough for the calculation ...

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Ultra Wideband Antenna with Reduced Radar            Cross Section

Ultra Wideband Antenna with Reduced Radar Cross Section

... An octagonal ultra wideband antenna with reduced RCS has been presented. The proposed antenna operates in the frequency range of 3.6GHz to 16GHz with impedance bandwidth of more than 115%. The antenna was optimized with ...

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Low-Frequency Sea Surface Radar Doppler Echo

Low-Frequency Sea Surface Radar Doppler Echo

... sea surface Ka-band normalized radar backscatter cross section (NRCS) and Doppler velocity (DV) exhibit energy at low frequencies (LF) below the surface wave ...of radar DV is ...

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Reconfigurable Radar Absorbing Structure Applied to the Antenna Radar Cross Section Reduction

Reconfigurable Radar Absorbing Structure Applied to the Antenna Radar Cross Section Reduction

... Figure 3 shows the structure of the proposed reconfigurable RAS reflector#1 which is designed by switching reflection level. The RAS metal-backed dielectric spacer is made of FR4. Relative dielectric constant is 4.4, tan δ ...

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Polarimetric radar cross section under SAR geometry

Polarimetric radar cross section under SAR geometry

... polarimetric radar cross section of canonical targets which represent the structure of the ground surface, ...flat surface, the fence along the border wall or forest and the urban ...

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Radar Cross Section Reduction Property of High Impedance Surface on a Lossy Dielectric

Radar Cross Section Reduction Property of High Impedance Surface on a Lossy Dielectric

... Since the pioneering work of high impedance surfaces (HIS) in 1999 by Daniel Sievenpiper [1], it found a lot of applications because of its artificial magnetic conductor (AMC) property at a particular frequency. It ...

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Application of Bionics in Frequency Selective Surface Design and Antenna Radar Cross Section Reduction

Application of Bionics in Frequency Selective Surface Design and Antenna Radar Cross Section Reduction

... Abstract—Bionics principle is applied to frequency selective surface (FSS) design in this paper. To authenticate the method, a novel bionic and miniaturized FSS is proposed by use of a model of alternate ...

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Wideband Radar Cross Section Reduction Using Artificial Magnetic Conductor Checkerboard Surface

Wideband Radar Cross Section Reduction Using Artificial Magnetic Conductor Checkerboard Surface

... checkerboard surface with 10 dB RCS reduction bandwidth of 61% and 24% ...Jerusalem cross shaped structure, exhibiting peak value of scattered field reducing more than 5 dB compared to the conventional ...

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RCS Reduction for a FSS-Backed Reflectarray Using a Ring Element

RCS Reduction for a FSS-Backed Reflectarray Using a Ring Element

... (radar cross section) reduction configuration for a reflectarray antenna, employing the appropriate FSS (frequency- selective surface) as a ground, is ...frequency-selective surface is ...

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Radar Target Recognition by Frequency-Diversity RCS Together with Kernel Scatter Difference Discrimination

Radar Target Recognition by Frequency-Diversity RCS Together with Kernel Scatter Difference Discrimination

... a radar system in modern battlefield environments [1]. Traditional radar identification technology usually utilizes a target’s images for identification, ...aperture radar) [2, 3] and ISAR (inverse ...

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Surface modification of the laser sintering standard powder polyamide 12 by plasma treatments

Surface modification of the laser sintering standard powder polyamide 12 by plasma treatments

... Plasma-based surface modification has been used extensively in the past decade due to its favorable properties, such as lack of toxic chemicals or waste products; therefore, it is considered as an environmentally ...

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Measurement and evaluation of radar cross section for furniture in an indoor propagation channel

Measurement and evaluation of radar cross section for furniture in an indoor propagation channel

... This paper has attempted to evaluate the RCS of two fur- niture items, i.e., an office chair and a steel desk, using the extended radar equation at the frequency range of 3–7 GHz. Time gating was utilized to ...

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