present calculations for a slot fed by a microstrip line with a bolometer detector centered between the two slots. The feed line is electromagnetically coupled to the slot antennas so no direct connections to the ground plane are necessary which simplifies the fabrication of the feed network and antennas. We present calculations Slotline-fed circularly polarized annular-ring slot Abstract: A novel single-layer, microstrip-to- slotline transition technique for coupling a circularly polarized annular-ring slot antenna in the UHF band is presented. In the proposed design, circular polarization is generated using a proper asymmetry within the annular-ring slot structure and feeding the annular-ring slot using a slotline feed at 135° from the asymmetry. Microstrip‐line‐fed printed shorted ring‐slot antennas for
A compact annular ring microstrip antenna was proposed for a wireless sensor network (WSN) application in the 2.4 GHz band. In this paper the major considerations of the conformal antenna design were the compact size and the impact on antenna's performance of a steel installation base. By using a ...
Axial-Ratio-Bandwidth Enhancement of a Microstrip-Line-Fed ... Abstract: The design of a new microstrip-line-fed wideband circularly polarized (CP) annular-ring slot antenna (ARSA) is proposed. Compared with existing ring slot antennas, the ARSAs designed here possess much larger CP bandwidths. The main features of the proposed design include a wider ring slot, a pair of grounded hat-shaped patches, and a deformed bent feeding microstrip line. Microstrip-Fed Dual-Frequency Annular-Slot Antenna Loaded ... Microstrip-fed dual-frequency annular-slot antenna loaded by split-ring-slot X.L. Bao M.J. Ammann Centre for Telecommunications Value-chain Research, School of Electronic and Communications Engineering, Dublin Institute of Technology, Kevin Street, Dublin 8, Ireland E-mail: max.ammann@dit.ie
The presently preferred microstrip annular slot antenna structure of this invention is formed by a ... Dual ground plane coplanar fed microstrip antennas ...
Radio frequency antenna arrays of radiating slot apertures serially connected along a predetermined path transverse to the radiating slot apertures. In the exemplary embodiments, the radiating slot apertures are formed by parallel edges of … US4320402A - Multiple ring microstrip antenna - Google Patents A broadband microstrip antenna including two overlapping PC boards. A plurality of concentric spaced apart radiating rings and an upper ground plane layer are etched in the conductive upper surface of the upper PC board. US3921177A - Microstrip antenna structures and arrays - Google…
A Compact Annular Ring Microstrip Antenna for WSN Applications
US6724346B2 - Device for receiving/transmitting electromagnetic… As shown in FIG. 7, the antennas are fed by a common feed line 203 also made from microstrip technology, the length of line between each antenna meeting the same criteria as in the case of Vivaldi-type antennas. US6034645A - Miniature annular microstrip resonant antenna…
More antennas in the database. Stacked square-ring pin-fed patch . ... CPW-fed annular monopole antenna . ... Microstrip-fed Linear tapered slot antenna . J-pole antenna . Super J-pole antenna . Dual-band PIFA with parasitic element . Dipole panel array . M-by-N rectangular patch array .
Circular polarization (CP) radiation of the shorted ring‐slot antennas is achieved by selecting a proper length of the shorted section in the ring slot, which is about 3.9 and 8% of the mean circumference of annular and square ring slots, respectively, and feeding the ring slot using a microstrip line 90° to the shorted section. Polarization Reconfigurable Eccentric Annular Ring Slot ... Abstract: A microstrip-fed reconfigurable eccentric annular ring slot (EARS) antenna with switchable polarization is proposed. To generate orthogonal circular polarization (CP) radiations, two identical perturbation slots (PSs) are loaded below the eccentric ring-shaped slot. A PROXIMITY-FED ANNULAR SLOT ANTENNA WITH DIFFERENT A BAND ... Abstract|A proximity-fed annular slot antenna for UWB applica- ... on designing planar UWB band-notched antennas with microstrip feed-line technique or CPW-feed technique. In this work, a difierent feeding technique, the proximity-feed in which a microstrip line placed in the
Wideband double-element ring slot antenna - Electronics ... Wideband double-element ring slot antenna N. Behdad and K. Sarabandi A new technique for bandwidth enhancement of microstrip-fed annular ring slot antennas is presented. Using this technique, a wide-band antenna is designed that has consistent radiation parameters across the entire band and has a bandwidth that is six times larger than Printed ring slot antenna for circular polarization Download Citation on ResearchGate | Printed ring slot antenna for circular polarization | A new design of a microstrip-line-fed circularly polarized printed ring slot antenna is proposed. Circular ... Polarization Reconfigurable Eccentric Annular Ring Slot ... Abstract: A microstrip-fed reconfigurable eccentric annular ring slot (EARS) antenna with switchable polarization is proposed. To generate orthogonal circular polarization (CP) radiations, two identical perturbation slots (PSs) are loaded below the eccentric ring-shaped slot. US3665480A - Annular slot antenna with stripline feed ...