dual-band frequency selective surface
Design of dual band Frequency Selective Surface (FSS)
... A Frequency Selective Surface (FSS) can be considered to be a surface construction serving as a filter for plane waves at any angles of ...a dual band Frequency ...
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An Angular Stable Dual-Band Frequency Selective Surface with Closely Spaced Resonances
... stable dual-band frequency selective surface (FSS) in this ...resonant frequency ratios are only ...stable frequency response under oblique incidence, and resonant ...
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Dual-Band Frequency Selective Surface with Miniaturized Element in Low Frequencies
... a dual-band frequency selective surface (FSS) in low frequencies with miniaturized ...A dual- concentric square element with two different slot sizes is constructed to realize ...
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A Dual-Frequency Single Layer Circularly Polarized Reflectarray with Frequency Selective Surface Backing
... and y-directions are close to 0 dB at 14 GHz for the higher band element, which ensures a total reflection at higher band. Similar results are obtained for the lower band element in Fig. 2(b). Hence, ...
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Electromagnetic shielding by frequency selective surface
... layer FSS was examined to obtain significant (40 dB) attenuation in the conventional SMPS enclosures. Most of these FSS have shown good stop-band characteristics and other features; however the phase of the ...
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A Wideband and High Gain Dual-Polarzied Antenna Design by a Frequency-Selective Surface for WLAN Application
... In recent years, FSS has been widely studied, which possesses the capability of increasing gain and broadening bandwidth [15–21]. One of the most important challenges in the design of the antenna loading FSS is its ...
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A dual-frequency quasi-optical output system for a THz gyro-multiplier
... THz band through geometric optic analysis and three-dimensional full-wave ...A dual-frequency quasi-optical mode converter (DQMC) and a fre- quency selective surface (FSS) are employed ...
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A Wideband Frequency Selective Surface Reflector for 4G/X-Band/Ku-Band
... cascaded dual-layer wideband FSS reflector resonating at ...proposed frequency range is 100% (almost double that of quoted ...a dual-layer FSS is fabricated, and the fabrication results agree well ...
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Design of a Novel Ku/X-Band Reflectarray/Transmit-Array Antenna with Frequency Selective Surface
... The frequency selective surface (FSS) has been widely used in the design of multi-band ...a dual-band, linearly polarized FSS-backed reflectarray was presented, and a double ...
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A Frequency Reconfigurable Dual Pole Dual Band Bandpass Filter for X-Band Applications
... weight, frequency reconfigurable, multiband waveguide bandpass filters find numerous applications in present day wireless communication ...operating frequency, several mechanisms, such as magnetic tuning [5], ...
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Design and Analysis of a Controllable Miniaturized Tri-Band Frequency Selective Surface
... a dual-band FSS that is fulfilled by placing two different square loops in one ...a dual-band characteristic with two transmission poles and one transmission ...
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A Monolithic Frequency Selective Strucutre with Dual-Band Quasi-Elliptic Filtering Response
... Multi-band frequency selective surface has been comprehensively researched in traditional designs, while few works have been reported in multi-band quasi-elliptic or elliptic ...
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Compact Dual Band FSS For Microwave Transmission
... Furthermore, as for any particular applications, there are only certain particular signals are required. In order to avoid those random signals from mixing or interfere with each other, the required signals need to be ...
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A Dual-Polarized Switchable Active Frequency Selective Surface for LTE-D Band
... Equivalent circuit model (ECM) is one useful analytical method helpful for us to understand the inside physical principle of FSS. For instance, under the normal irradiation of TE polarization (vertical polarization), the ...
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Design of a Tri- Band Frequency Reconfigurable Monopole Antenna for GSM UMTS and Wi-Fi Applications
... The proposed Antenna Gain can be improved to increase the distance of coverage.EBG structures can be investigated to improve the Gain and Bandwidth for all the three frequency bands of interest.For cognitive Radio ...
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Frequency-selectable dual-band wilkinson divider/combiner
... A frequency-selectable multi-band power splitter/combiner is a valuable component for the frontend of such ...a frequency-selectable dual-band power ...a frequency-selectable ...
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A Novel Low RCS Microstrip Antenna Array Using Thin and Wideband Radar Absorbing Structure Based on Embedded Passives Resistors
... In this paper, RCSR of a microstrip patch antenna array (MSPAA) is described using a single octagonal loop resistive FSS based radar absorber. The novelty of the paper lies in the implementation of the low RCS MSPAA with ...
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Wideband Frequency Selective Surface with a Sharp Band Edge Based on Mushroom-Like Cavity
... To reduce the size of cavity based FSSs, a novel cavity mushroom-like structure is proposed and applied to FSS design, simulation, fabrication and measurement in this paper. The mushroom- like cavity plays the equivalent ...
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Dual-Band Circularly Polarized Microstrip Antenna with Small Frequency Ratio
... are simulated by software Ansoft HFSS 11.0. In order to design the high performance dual-band CP antenna, a detailed parametric study of the antenna is made. The simulated return loss is shown in Fig. 2 for ...
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Design of a Dual Monopole Antenna with Wideband Frequency
... 12.01 GHz with respect to the center frequency at 11.82 GHz. If compare the simulation result and the measured data, a good agreement is seen over the whole operating band. The discrepancies between the ...
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