A broadband eccentric annular slot antenna
Circularly Polarized Slotted Aperture Antenna with Coplanar Waveguide . . . . 271 Journal of Engineering Science and Technology February 2016, Vol. 11(2) Fig. 5. Return loss variations in length of slot L1=16 mm, 18 mm, 19 mm, 20 mm.
Examples of RFID-reader antennas include the patch antenna fed by a Wilkinson power divider and the annular-ring slot antenna with a slot-line feed . However, these antennas are too large, and some single-feed single-element patch antennas usually have a narrow circular-polarized (CP) bandwidth , , , . A Novel Concentric Annular-Ring Slot Dual-Band Circularly ... A simple structure concentric annular-ring slot dual-band circularly polarized (CP) microstrip antenna operating at ISM band (2.45 GHz) and 5G band (3.5 GHz) is proposed in this paper. The antenna achieves dual-band operation by digging two concentric annular-ring slots on the ground. And on the angular positions with 45 degrees inclined of each annular slot, two bent structures are loaded to ... Eccentric Annular Slot Antenna for Breast Cancer Detection ... the wideband eccentric annular slot antenna to analyze and investigate the characteristics of malignant breast tumors. A FDTD based model is implemented to include the normal breast tissue, breast skin, malignant tumor and the transmitting/receiving antenna [1, 3-8]. The geometry of the antenna is shown in Fig. 1. This investigation will help in Broadband Annular Ring Microstrip Antennas | Products ... M. Park, "A broadband eccentric annular ring microstrip slot antenna :' Joumol of the Korea Elecfmmagnetic EngineeringSo&*, vol. Asia-pacific abstracts 66) A Broadband Eccentric Annular Ring Microstrip Slot Antenna , by Young Hoon Suh, Ikmo Park (School of Elec- tronics Engineering, Ajou University): JKEES, vol.
Antenna Performance - an overview | ScienceDirect Topics
Harris’ Q134 Antenna offers the latest in fully conformal, low RCS antenna. The Q134 antenna capitalizes on Harris’ proven annular-slot technology providing a 3.7:1 operating bandwidth, which exceeds the useful bandwidth of most blades and other exposed apertures. In addition to the broad operating bandwidth, the Q134 also DUAL-BAND BEAM SCANNING REFLECTARRAYS AND NOVEL WIDEBAND ... Dual-band Beam Scanning Reflectarrays and Novel Wideband and Polarization Diversified Planar Antennas. (August 2008) Shih-Hsun Hsu, B.S., National Cheng Kung University; M.S., University of Wisconsin-Madison Chair of Advisory Committee: Dr. Kai Chang The reflectarray antenna has been considered as a suitable candidate to replace the
38 questions in Slot Antenna | Science topic - ResearchGate
Abstract: This paper presents a novel four-port, broadband, compact MIMO antenna operating in the sub-6GHz bands of future 5G systems and the 2.45GHz/5GHz WiFi bands. The radiating element topology is inspired from both the Annular Slot Antenna (ASA) and the printed wideband monopole. V-shaped slots are incorporated in the antenna ground for a better efficiency and higher in-plane radiation. Compact and Broadband Microstrip Antennas - twanclik.free.fr
I. INTRODUCTION E CCENTRIC annular apertures ﬁnd practical applications in waveguide junctions , wideband aperture antenna , cavity-backed circular patch antenna fed by coaxial line , and eccentric coaxial line . Conformal mapping has been exten- sively used to analyze scattering from eccentric annular aper- tures , .
Patch Loading Circular Aperture Slot Antennas for Broadband ... This paper proposes a new and simple design for a broadband planar antenna with bi- and uni-directional radiation for WLAN applications. The broadband operation is realized by loading a patch into a circular aperture slot, which is fed by a micostrip line on the other side of the slot. USD666178S1 - Antenna - Google Patents A Broadband Eccentric Annular Slot Antenna, Young Hoon Suh and Ikmo Park, Department of Electrical Engineering, Ajou University, pp. 94-97, IEEE copyright notice 2001. A Printed Crescent Patch Antenna for Ultrawideband Applications, Ntsanderh C. Azenui an H.Y.D. Yang, IEEE Antennas and Wireless Propragation Letters, vol. 6, 2007, pp. 113-116. Compact and Broadband Microstrip Antennas - twanclik.free.fr 8.2.2 A Three-Dimensional V-Shaped Microstrip Antenna 280 8.3 Broadband Dual-Polarized Microstrip Antennas 282 8.3.1 Use of Two Aperture-Coupled Feeds 282 8.3.2 Use of a Gap-Coupled Probe Feed and an H-Slot Coupled Feed 287 8.3.3 Use of an L-Strip Coupled Feed and an H-Slot Coupled Feed 288 9 Broadband and Dual-Band Circularly Polarized
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