1,411 resources related to UHF antennas
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This symposium pertains to the field of electromagnetic compatibility.
2020 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting
The joint meeting is intended to provide an international forum for the exchange of information on state of the art research in the area of antennas and propagation, electromagnetic engineering and radio science
This is a conference with a focus on wireless components, applications, and systems that impact both our current and future life style. The conference's main niche is to bring together technologists, circuit designers, system designers, and entrepreneurs at a single event. It was and is the place where these worlds meet, where new processes and systems can be benchmarked against the needs of circuit designers at the bleeding edge of RF systems, where today's design compromises can trigger tomorrow's advanced technologies. Where dreams can become a reality. RWS is the cornerstone conference for Radio Wireless Week.
The IEEE Sensors Conference is a forum for presentation, discussion, and exchange of state-of-the art information including the latest research and development in sensors and their related fields. It brings together researchers, developers, and practitioners from diverse fields including international scientists and engineers from academia, research institutes, and companies to present and discuss the latest results in the general field of sensors.
The 20th edition of the ICEAA is coupled to the 8th edition of the IEEE-APWC. The two conferences consist of invited and contributed papers, and share a commonorganization, registration fee, submission site, workshops and short courses, and social events.The proceedings of both conferences will be published on IEEE Xplore.
The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.
Experimental and theoretical advances in antennas including design and development, and in the propagation of electromagnetic waves including scattering, diffraction and interaction with continuous media; and applications pertinent to antennas and propagation, such as remote sensing, applied optics, and millimeter and submillimeter wave techniques.
IEEE Antennas and Wireless Propagation Letters (AWP Letters) will be devoted to the rapid electronic publication of short manuscripts in the technical areas of Antennas and Wireless Propagation.
Broadcast technology, including devices, equipment, techniques, and systems related to broadcast technology, including the production, distribution, transmission, and propagation aspects.
Covers topics in the scope of IEEE Transactions on Communications but in the form of very brief publication (maximum of 6column lengths, including all diagrams and tables.)
Space Antenna Handbook, None
Microstrip and Printed Antennas: New Trends, Techniques and Applications, None
Transactions of the IRE Professional Group on Antennas and Propagation, 1952
A TEM transmission line having a circular or rectangular center conductor placed between two parallel plates or inside a rectangular tube, has been used in the construction of a number of uhf antennas and wave filters. The characteristic impedance of the class of transmission lines, of which the above-mentioned are particular examples, can be theoretically calculated by a number of ...
Proceedings of 2005 International Symposium on Electrical Insulating Materials, 2005. (ISEIM 2005)., 2005
The ultra-high frequency antenna sensor is widely used for PD detecting in GIS. But the signal gained from antenna sensor is very weak and contains strong interference, and the energy loss of antenna sensor is not infinite out of the effective band, electromagnetic signal is coupled in antenna sensor at idling frequency band. So a micro-strip band-pass filter design method ...
2010 IEEE International Conference on RFID-Technology and Applications, 2010
In this paper, we introduced a new antenna topology for RFID tag that could be implemented simultaneously to support the UHF band of Europe (866 MHz-868 MHz), the UHF band of North America (902 MHz-928 MHz), and the microwave band for ISM (2.4 GHz to 2.45 GHz). The antenna proposed herein was composed of a planar inverted-F and a parasitic ...
IMS 2014: Wideband mmWave Channels: Implications for Design and Implementation of Adaptive Beam Antennas
MicroApps: Using Digitizers to Characterize Modern Phased Array Antennas
IEEE Edison Medal - Eli Yablonovich - 2018 IEEE Honors Ceremony
MicroApps: Connectors to Antennas to Waveguide: User-Confgurable and Parameterized 3D EM Model Libraries (AWR)
2011 IEEE Awards Alexander Graham Bell Medal - Arogyaswami J. Paulraj
Heritage Circle - Reddy
Dorothy, we're not in Kansas anymore, we are in Impedance Land. Oh my! EMC Webinar
mmwave Phased Arrays for 5G Applications - Challenges and Opportunities - Ian Gresham: Brooklyn 5G Summit 2017
Massive MIMO at 60 GHz vs. 2 GHz - Eric Larsson: Brooklyn 5G Summit 2017
Brooklyn 5G - 2015 - Ali M. Niknejad - Going the Distance with CMOS: mm-Waves and Beyond
Transceiver Systems for mmWave Application - Mats Carlsson - RFIC Showcase 2018
Millimeter Wave Mobile Communications for 5G Cellular: It Will Work!
Evolution of RF, Microwave Antennas & Devices - Surendra Pal - IEEE India
From Maxwell's Equations to Modern Electromagnetics and Antenna Engineering Marvels
One HTS Josephson Junction, An Array of Applications: Has anything come from HTS devices in the last 30 years?
Micro-Apps 2013: Precision RF/MW Cable and Antenna Test in the Field
Fully-Integrated Non-Magnetic 180nm SOI Circulator - Aravind Nagulu - RFIC Showcase 2018
Serge Haroche and Rodolfo Zich receive IEEE Honorary Membership - Honors Ceremony 2016
IMS 2015: Eugene Lauria - John Tucker Special Tribute - ALMA Band 9 Receiver Design and Performance
A TEM transmission line having a circular or rectangular center conductor placed between two parallel plates or inside a rectangular tube, has been used in the construction of a number of uhf antennas and wave filters. The characteristic impedance of the class of transmission lines, of which the above-mentioned are particular examples, can be theoretically calculated by a number of methods. A review of the theoretical methods using the above transmission lines as examples will be given. Comparison between theoretical and measured results will be given to show the usefulness of the different theoretical methods.
The ultra-high frequency antenna sensor is widely used for PD detecting in GIS. But the signal gained from antenna sensor is very weak and contains strong interference, and the energy loss of antenna sensor is not infinite out of the effective band, electromagnetic signal is coupled in antenna sensor at idling frequency band. So a micro-strip band-pass filter design method is introduced, and a band-pass filter and amplifier unit are designed based on micro-strip line theory. The high performance amplifier and the half- distributing parameter UHF filter whose work frequency band is 300/spl sim/1000 MHz and can cover with the frequency band of the antenna sensors. Testing results show that the performance of filter and amplifier is great and can be used to detect the feeble PD signals and suppress the low frequency interferes.
In this paper, we introduced a new antenna topology for RFID tag that could be implemented simultaneously to support the UHF band of Europe (866 MHz-868 MHz), the UHF band of North America (902 MHz-928 MHz), and the microwave band for ISM (2.4 GHz to 2.45 GHz). The antenna proposed herein was composed of a planar inverted-F and a parasitic inverted-L, both of which formed a small, simple and cost effective architecture which was especially tailored for the standard tag size as a credit card with of 85 mm in length and 54 mm in width. The antenna was fabricated on the polyethylene substrate (εr=2.35, tan δ =0.002), providing the return loss less than -10 dB over all bands of interest. Besides, study in this paper also referred to the impedance characteristics and the radiation patterns, revealing good impedance consistency and Omni-directional far field patterns over all the concerned frequency bands.
For maximum power transfer impedance matching is an important subject in communication systems. Besides, minimum complexity is another important concept in order to obtain cheaper, reliable and feasible matching networks. In this study, a single stub matching implementation applied while improving the return loss characteristic of blade antennas used in VHF/UHF communication system of RASAT is presented. RASAT will be the first observation satellite designed and manufactured in Turkey.
The JPL/NASA Advanced Technology Demonstration (ATD) Program is planning a Mars Sample Return (MSR) mission circa 2005. This mission will have a rover on Mars to pick and place soil samples into a small spherical canister (16 cm diameter), which will be ejected into Martian orbit and retrieved by an orbiting spacecraft. This spacecraft will than bring the canister back to Earth for sample analysis. During canister ascent toward the orbiting spacecraft, a UHF transponder/beacon transmitt/receive signal is needed from the canister. This calls for a miniaturized low-profile antenna with an omni- directional pattern to be mounted onto the outer skin of the small canister. Antenna miniaturization techniques used on this circular patch are two fold: high dielectric-constant substrate material and multiple slats on the patch. This paper presents an antenna that combines these two techniques with dual- frequency and dual-polarization capabilities. The radiation characteristics of this antenna, when mounted on the small canister, as well as on flat ground planes of various sizes, are discussed. The bandwidth and efficiency performance and thermal effect of this antenna are also presented. In general, the antenna radiates a nearly omni-directional pattern with good efficiency and cross-polarisation characteristics.
In this contribution a broadband biquad antenna array for DOA applications is investigated. Simulation and measurement results of the single broadband biquad antenna element and results of antenna array configurations for vertical polarisation, horizontal polarisation or polarisation independant direction of arrival estimation using different algorithms are shown.
This paper designed an RFID antenna with meandering structure at UHF band using a simple evolutionary algorithm (SEA). The used SEA searched a larger space of meandering structures than referenced paper and found a satisfactory antenna. Compared with the antenna designed by conventional method we referenced, the evolved antenna shows significant improvements especially in omni-directionality.
In this paper, an electrically small antenna with a bidirectional radiation pattern for ultra high frequency (UHF) radio frequency identification (RFID) tags is proposed. The antenna, whose size is less than 0.04λ0×0.04λ0 ( λ0 is the corresponding wavelength of the operating frequency at 915 MHz), is comprised of a folded loop and a split ring resonator (SRR) structure. Simulated results show that the impedance bandwidth of the proposed antenna can cover the operating frequency of worldwide UHF RFID applications, from 840 MHz to 960 MHz, and at the same time a bidirectional radiation pattern is obtained. Moreover, when proposed antennas are stacked or tiled together, there are no obvious effects on their resonant frequency and gain pattern.
This project provides recommended practices for the prediction and practical determination of safe distances from radio and radar transmitting antennas when using electric initiators to remotely detonate an explosive charge. Specifically, this document includes mathematical formulas, tables, and charts that allow the user to determine safe distances from RF transmitters with spectrum bands from 0.5 MHz to 300 GHz, including ...