نتایج جستجو برای: square ring slot frequency selective surface srs
تعداد نتایج: 1496750 فیلتر نتایج به سال:
Abstract A two-sided frequency selective surface (FSS) is proposed to shield two bands of the mobile frequencies (EGSM-900 and DCS-1800). The FSS consists an array square concentric-rings cells printed on both sides substrate offer better shielding frequencies. CST Microwave suit used for simulations. equivalent circuit model analysed transmission in terms stop estimated. obtained than 40 dB ac...
In this paper, we propose a novel algorithm to compute the radiation pattern of slot array antenna covered with frequency selective surfaces (FSS) based on ray tracing technique. We observed that proposed could greatly reduce computational resources while yielding accurate numerical solution, compared cases taking standard full-wave and conventional high-frequency approaches (summarized in Tabl...
A new dual-polarized antenna loading frequency-selective surface (FSS) is proposed for 5G wireless local networks (WLANs) application. The antenna consists of two orthogonal bow-tie dipoles and a ground plane. A new wideband FSS is designed comprising ring-slot connecting rectangular slots. The reflection coefficient of wideband FSS is less than 0.9 from 4–6.5GHz. The phase of reflection coeffi...
This paper shows a comparative study of Multi U–shaped slot antenna with the substrate integrated waveguide(SIW) fed patch antenna. By cutting four asymmetrical U-slots, we can make U-shaped patch antenna. Advantages of this structure are the simple feed, single layer structure, simple structure of antenna, one more degree of freedom can be achieved by the asymmetry of U-slot arm. The design gu...
We theoretically demonstrate a low crosstalk ring-slot array structure used for label-free multiplexed sensing. The proposed sensors array is based on an array of three ring-slot and input/output line defect coupling waveguides. Each ring-slot cavity has slightly different cavity spacing and different resonant frequency. Results obtained using two dimensional finite-difference time-domain (2D-F...
Dual-band antenna elements that support dual-polarization provide ideal performance for applications including space-based platforms, multifunction radar, wireless communications, and personal electronic devices. In many communications and radar applications, a dual-band, dual-polarization antenna array becomes a requirement in order to produce an electronically steerable, directional beam capa...
A compact circularly polarized (CP) patch antenna using a composite right/left-handed (CRLH) transmission line (TL) unit-cell is proposed. The CRLH TL unitcell includes a complementary split ring resonator (CSRR) for shunt inductance and a gap loaded with a circularshaped slot for series capacitance. The CSRR can decrease the TM10 mode resonance frequency, thus reducing the electrical size of t...
Frequency selective surfaces (FSSs) play an important role in wireless systems as these can be used filters, isolating the unwanted radiation, microstrip patch antennas for improving performance of and other 5G applications. The analysis design double concentric ring frequency surface (DCRFSS) is presented this research. In sub-6 GHz FR1 spectrum, a computational synthesis technique creating DC...
نمودار تعداد نتایج جستجو در هر سال
با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید