[PDF] Top 20 Antenna at S-Band as Ground for Array at X-Band in Dual Frequency Antenna at S/X-Bands

... the antenna array at X-band and its side ...the antenna at X-band is increased by designing a 2 × 2 antenna array instead of a single ...The antenna ... See full document

... series-fed antenna operating at both S- and X-bands for SAR applications is presented in this ...as S-band antenna, and four-groups of 2 × 2 subarrays are used as ... See full document

... a dual-band dual-linear- polarization reflectarray antenna with different beams for X and Ku ...reflectarray antenna with independent radiation patterns for each band which ... See full document

... reconfigurable antenna in which both frequency of the antenna and its pattern are ...required frequency bands and pattern reconfiguration. The antenna is designed with 70*70 ... See full document

... The dual-band mechanism will be described in Section ...the ground plane edge and movable metallic plate edge can be considered as a short circuited resonant ...The antenna can be switched ... See full document

... planar dual-band phased array antenna suitable for fourth generation (4G) Long Term Evolution (LTE) at ...planar array antenna is built using a microstrip rectangular U-slotted ... See full document

... 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 square ring element ... See full document

... proposed antenna is shown in fig. 1. The antenna is designed on a FR4 substrate with a relative permittivity is ...proposed antenna are shown in Table 1. The length and width of the ground ... See full document

... Receive Dual-Frequency Microstrip Patch Antenna Array’, Bhartia, ...multi-layer, dual linearly polarized microstrip patch array antenna with resonant frequencies at ...a ... See full document

... single, dual, multiband frequency operations ...for dual and multiband operation, it has attracted most of the researchers since single antenna can be used for more than two ...achieving ... See full document

... Wideband dual-polarization, low-profile cavity backed four-arm Archimedean spiral antenna is first ...linear array of spiral antennas. Beam forming capability of the linear array for both ... See full document

... Fabry-Perot antenna had been designed with two-layer partially reflecting ...feeding antenna. The feeding antenna was formed by using a circular patch antenna fed by quasi-L strips, coupled ... See full document

... for frequency reconfigurability. The sizes of substrate along both X and Y directions are twice as large as that of the center ...of antenna are calculated by theoretical formula of microstrip ... See full document

... frequency ratio are required in some applications, and it is difficult to achieve the characteristics using single patch. In [9] and [10], small frequency ratios about 1 : 1.2 and 1 : 1.1 were obtained by ... See full document

... The advantages of the miсrostrip antennas are small size, low profile, and lightweight, сonformable to planar and non planar surfaсes. It demands a very little volume of the struсture when mounting. They are simple and ... See full document

... at X-band frequency range using CST microwave ...microstrip array antenna instead of horn is used to feed the reflectarray antenna which is so lighter and is simple to ... See full document

... microstrip antenna can be attained by stacked patches, trim slotted patch, ...stacked antenna operating at three working bands in [9] is linear ...several bands in [10] and antenna in ... See full document

... The analysis is performed between various frequency bands but we consider better air volume which suits better i.e., 8-12 GHz. Therefore the minimum distance between the air volume wall and the radiating ... See full document

... in S-band, C-band and ...proposed antenna has a defective ground structure (DGS) to improve the performance of the ...The ground plane has L-shaped slots and the patch consists ... See full document

... proposed antenna design and performances are analyzed and optimized using commercial Computer Simulation Technology simulator software (CST Microwave Studio) ...this antenna was fabricated using FR4 ... See full document