RCS reduction
RCS Reduction of Quasi-Yagi Antenna
... The RCS reduction of antenna system is one of the most notable researches because of its significant contribution to scattering on weapons ...and reduction of the RCS of wideband antenna are ...
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An Ultra-Wideband Polarization Conversion Meta-Surface and its Application in RCS Reduction
... The RCS of the fabricated prototype and the metal broad with the same size are measured in an anechoic ...of RCS reduction versus frequency of measured results are shown in ...average RCS ...
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Further Wideband RCS Reduction on Metasurface by Introducing a Phasor Interference Element
... has been updated as 3.8 mm to satisfy the phasor relationship in Equation (3). From Fig. 7, it can be seen that the amplitude requirement in Equation (3) is approximately realized, and the reflection phase of E1 is ...
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Wideband RCS Reduction of Vivaldi Antenna Based on Substrate Integrated Waveguide
... (RCS) reduction of different platforms has been paid due to the urgent requirement for defence ...the RCS of antennas is so difficult because the optimization of the scattering features would degrade ...
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RCS Reduction of Cylindrical Structure Using Mixed-Impedance Boundary Conditions
... of RCS reduction in cylindrical structures with various boundary conditions are investigated ...major reduction of cylindrical structure’s ...backward RCS reduction for both normal and ...
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RCS Reduction of Patch Array Antenna by Complementary Split-Ring Resonators Structure
... (RCS) reduction of antennas has been a serious problem in weapon platforms because antennas can be the dominant scatters for low RCS platforms [1] and more and more attention has been paid to antenna ...
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RCS Reduction for a FSS-Backed Reflectarray Using a Ring Element
... the RCS reduction obtained in the other papers, we select a proper ...The RCS characteristics of the proposed reflectarray are also studied and compared with the conventional reflectarray with a ...
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RCS Reduction Using a Miniaturized Uni-Planar Electromagnetic Band Gap Structure for Circularly Polarized Microstrip Antenna Array
... low RCS antenna can keep the radiation performances very well compared to the reference ...monostatic RCS of the two antenna arrays impinging from normal direction, in which it can be found that the ...
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RADAR CROSS SECTION PREDICTION FOR DIFFERENT OBJECTS USING MAT LAB AND RADAR CROSS SECTION (RCS) REDUCTION
... in RCS reduction are: (1) the absorbing material should have adequate frequency response, (2) it should work for two orthogonal polarizations, and (3) it should work with the specified aspect angle ...
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Gain Enhancement and Wideband RCS Reduction of a Microstrip Antenna Using Triple-Band Planar Electromagnetic Band-Gap Structure
... for RCS reduction of antennas have been presented over the past decades [2–7], such as the using of absorbing material, resonance structures, and slot ...for RCS reduction, and the RCS ...
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Small-Size Broadband Coding Metasurface for RCS Reduction Based on Particle Swarm Optimization Algorithm
... side lobes are, the more the energy of main lobe will be suppressed, thus the RCS reduction can be realized. From Fig. 7, it can be seen that the metal plate produces a strong main lobe at all frequency ...
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A Coding Metasurface with Properties of Absorption and Diffusion for RCS Reduction
... reduce RCS by MS: absorption and phase ...whose RCS reduction can be achieved based on the principle of phase cancellation ...the RCS reduction bandwidth, two AMC cells with distinct ...
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Phase Quantized Metasurface Supercells for Wave Manipulation and RCS Reduction
... bistatic RCS by numerical ...directions. RCS reduction of 10 dBsm is observed from 9 GHz to 11 GHz in both models while chessboard surface behaves as a resonant ...backscattering RCS which ...
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Reconfigurable Yagi-Uda Substrate for RCS Reduction of Patch Antenna
... case 3, there is a same size metal ground covering a one-layer Yagi- Uda substrate. The thickness of the substrate is 0.9 mm, and the other parameters are the same with the two-layer case. The planar radar wave of 8–12 ...
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A New Design Method for Patch Antenna with Low RCS and High Gain Performance
... composed of AMC and perfect electric conductor (PEC) surface is employed as ground plane to reduce the in-band RCS. In [12], a design for waveguide slot antenna with ultra-thin PMA is investigated, which achieves ...
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Using Genetic Algorithm to Reduce the Radar Cross Section of Three-Dimensional Anisotropic Impedance Object
... The RCS of the cone with PEC surface, with optimized anisotropic impedance surface, and that with optimized isotropic impedance surface are shown in ...the RCS evidently within the angle range ± 30 ◦ ...
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A Novel Low RCS Microstrip Antenna Array Using Thin and Wideband Radar Absorbing Structure Based on Embedded Passives Resistors
... out-of-band RCS reduction of the MSPAA from ...low RCS MSPAA with the RA is carried out using HFSS. RCS measurements are performed, and an RCS reduction of 6 to 18 dB is attained ...
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Design of Triangular Patch Antenna with reduced RCS for Stealth Applications using Bionics
... (RCS) reduction by the use of a model insect tentacle antenna ...reduced RCS is proposed and simulated for stealth applications. Mono static RCS and Bi-static RCS of an insect tentacle ...
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Combination of Mls , GA & Cg for the Reduction of RCS of Multilayered Cylindrical Structures Composed of Dispersive Metamaterials
... optimum RCS for the bare and coated conducting cylinder are drawn versus frequency in ...considerable RCS reduction is achieved by the application of relaxation type material coating, whereas the ...
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A New Method for Designing Low RCS Patch Antenna Using Frequency Selective Surface
... in-band RCS of antennas. To validate the proposed method, a low RCS patch antenna resonating at 5 GHz is designed using this ...largest RCS reduction is about 15 dB at 5 ...
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