Results 11 to 20 of about 838,830 (124)

Harmonic FMCW Radar System: Passive Tag Detection and Precise Ranging Estimation [PDF]

open access: yesSensors
This paper details the design and implementation of a harmonic frequency-modulated continuous-wave (FMCW) radar system, specialized in detecting harmonic tags and achieving precise range estimation.
Ahmed El-Awamry   +3 more
doaj   +2 more sources

A Passive Rfid Transponder Using Harmonic Generation Of Nonlinear Transmission Lines [PDF]

open access: yes, 2012
In conventional passive RFID systems, the reader (interrogator) transmits signals to serve not only as an interrogation signal, but also as a power source to the tag (transponder).
Yu, Fan
core   +6 more sources

An 'active' passive-filter topology for low power DC/AC inverters [PDF]

open access: yes, 2011
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.This thesis presents a new output passive filter for voltage source inverter applications which is based on a shunt connected single tuned filter topology ...
Arman, Mahmoud Fayez
core   +7 more sources

A Software Defined Radio Interrogator for Passive Harmonic Transponders

open access: yes2021 IEEE 21st Annual Wireless and Microwave Technology Conference (WAMICON), 2021
Passive wireless sensors provide an opportunity for long term monitoring of remote environments. Such devices are activated with an interrogation signal which enables them to transmit information via a return signal. Some systems utilize the same frequency for interrogation and the return, which causes unwanted interference, particularly in cluttered ...
Tim Laracy, Jeff Frolik
openaire   +2 more sources

Designing Passive Harmonic Filter of Electric Propulsion System on Tanker Ship [PDF]

open access: yes, 2018
Harmonic is a frequency defect that have some negative effect to the electrical network system. In a ship, electrical network system are interconnected to each other to another electrical consumer device.
Zaman, Muhammad Badrus; Department of Marine Engineering, Faculty of Marine Technology, Institut Teknologi Sepuluh Nopember, Surabaya 60111   +3 more
core   +1 more source

Multi-State Logging Freeze Detection Passive RFID Tags [PDF]

open access: yes, 2014
In this work the design and measurement of a passive UHF RFID smart tag suitable for monitoring and recording critical temperature violations in cold chain management are presented.
Ziai, M. Ali   +3 more
core   +1 more source

Compact and Lightweight Planar Harmonic Tag for Operation in Challenging Environments

open access: yesIEEE Access
This study presents a compact and lightweight planar harmonic transponder tag for passive sensing and tracking in challenging environments. Harmonic tags are batteryless devices that, when illuminated by an electromagnetic wave from the reader, reradiate
Andrei Mogilnikov   +2 more
doaj   +1 more source

Multipath Measurement Leveraging In Situ Harmonic Transponders

open access: yesIEEE Open Journal of Antennas and Propagation
Wireless communication within complex/cluttered environments is prone to multipath fading effects. Channel sounding are measurement techniques used to find data that characterize the extent of any such fading.
Jeff Frolik
doaj   +1 more source

Robust Peak Detection Techniques for Harmonic FMCW Radar Systems: Algorithmic Comparison and FPGA Feasibility Under Phase Noise

open access: yesSignals
Accurate peak detection in the frequency domain is fundamental to reliable range estimation in Frequency-Modulated Continuous-Wave (FMCW) radar systems, particularly in challenging conditions characterized by a low signal-to-noise ratio (SNR) and phase ...
Ahmed El-Awamry   +3 more
doaj   +1 more source

Home - About - Disclaimer - Privacy