dielectric frequency selective surface
Design of dual band Frequency Selective Surface (FSS)
... 7 Due to the electromagnetic behavior of the FSS tied to a resonance phenomenon, a kind of band stop can achieve reflectance field incident despite the fact that the area covered by the metal is only a small part of the ...
24
Transmission Upper Bound of Planar Single-Layer Frequency Selective Surface
... resonance frequency, bandwidth, and the shape of the transmission/reflection curves, the effects on the transmission and reflection performance have attracted little ...a dielectric substrate-supported ...
24
Frequency Selective Surface Loaded Antenna for Direct Antenna Modulation
... The cavity itself was modelled as a set of zero thickness PEC plates in contact with the edges of the FSS, and the probe was a 40mm cylinder of 1.3mm thickness. It was surrounded at the base by a dielectric ...
5
Flexible dipole antenna incorporated with flexible frequency selective surface
... The frequency behaviour of the FSS is entirely determined by the geometry of the surface in one period (unit cell), the size of the FSS, the way the surface is exposed to the electromagnetic wave ...
6
An Angular Stabilized Frequency Selective Surface by Using Capacitance Layers Structure
... Typical frequency selective surfaces are one- or two-dimensional periodic structures which consist of metal patterns and dielectric ...resonant frequency, bandwidth, and insertion loss are ...
7
Quasi-Optical Frequency Selective Surface for Atmospheric Remote Sensing Application
... is a suitable choice as backing material for space science applications since it is rigid, extremely low dielectric loss [7, 17] (Loss tangent tan δ = 0.00001∼0.0001) and high resistivity even at terahertz wave ...
13
A Compact Miniaturized Frequency Selective Surface with Stable Resonant Frequency
... Frequency selective surfaces (FSSs) are one- or two-dimensional periodic structures and have been widely applied to construct antenna reflectors, hybrid radomes, optical filters, high impedance surfaces and ...
6
Parametric Analysis and Modeling of Jerusalem cross Frequency Selective Surface
... A Frequency Selective Surface (FSS) is a periodic, planar assembly of generally metallic elements on a dielectric layer. It is built in conjunction with the EM waves in order to ...
9
A Second-Order BPF Using a Miniaturized-Element Frequency Selective Surface
... Frequency selective surfaces (FSSs) structures are regarded as the free space counterparts of microwave filters ...thin dielectric layer [2– ...
12
Frequency selective surface (FSS) for cellular signals shielding
... a frequency selective surface (FSS) for interference control causes by the proliferation of mobile ...a dielectric substrate which acts as a spatial ...
51
ARTIFICIAL NEURAL NETWORK TO PREDICT RESONANT FREQUENCY OF DIPOLE FREQUENCY SELECTIVE SURFACE
... Artificial neural networks are successfully applied to solve many real world problems, which are very hard to track by expert systems. These networks can predict the relationship between the input and output set without ...
7
Electromagnetic shielding by frequency selective surface
... In past few years, the use of FSS in wireless communication networks for signal security, particularly in military applications, has increased to a considerable extent. For example, to isolate the two similar wireless ...
5
Waveguide Filter Using Frequency Selective Surface with Miniaturized Element
... Frequency selective surfaces (FSSs) are usually planar periodic structures that function as spatial filters for electromagnetic (EM) waves [1, ...of dielectric loading on FSS have been studied by ...
8
All-Dielectric Frequency Selective Surfaces with Few Number of Periods
... Abstract—All-dielectric frequency selective surfaces (FSSs) can serve as an alternative to their metallic counterparts when they must operate at very high power, loss must be minimized, or when the ...
15
Narrowband Frequency Selective Surface Based on Substrate Integrated Waveguide Technology
... thin dielectric substrate form FSS with narrow band-pass transmission responses ...with surface mount capacitors based on split-field update FDTD method was reported in ...
10
A Novel Miniaturized Frequency Selective Surface with Very Stable Performance
... miniaturized frequency selective surface (MFSS) with excellent stability towards incident angles and polarizations is ...the dielectric layer, with an additional metalized patch array on the ...
8
A Novel Design Approach for a 60 GHz Circularly Polarized EBG Antenna
... a frequency selective surface (FSS) placed in front of a cross dielectric resonator antenna (XDRA), installed into a ground plane, which acts as an excitation ...
15
A Novel Dualband Frequency Selective Surface with Periodic Cell Perturbation
... dualband frequency selective surface (FSS) with both a dielectric substrate and superstrate constructed by double-four- legged loaded slots (DFLLSs) is investigated, in which each periodic ...
13
Design and Measurement of Microwave Absorbers Comprising Resistive Frequency Selective Surfaces
... Frequency selective surfaces (FSSs) have been successfully used in constructing microwave ab- sorbers which demonstrate the ability of modifying and improving its absorbing ...the dielectric spacer ...
7
Dual-Band Frequency Selective Surface with Miniaturized Element in Low Frequencies
... FSSs with excellent performances. Effects of dielectric loading on FSS were studied by Luebbers and Munk [7]. Complementary FSSs were investigated in [8, 9]. Isotropic FSS were designed by using three-dimensional ...
9