Results 161 to 170 of about 507,465 (200)
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An RF Direction Finding Payload for UAVs with Deep Learning Direction Prediction Via Resnet
International Conference on Unmanned Aircraft SystemsThis article describes an RF Direction Finding (DF) payload developed for UAV systems. DF payloads sense RF signals using an antenna array and process the received signals at each antenna location to estimate the number of transmitting RF sources and ...
Andrew R. Willis +3 more
semanticscholar +1 more source
Radioengineering, 2023
Problem statement. This article proposes a method to measure the bearing of electromagnetic radiation sources in the conditions of passive interference with multipath propagation and in the conditions of using "rough" (small number of elements ...
Y. Gorbunov, M. Epifanov
semanticscholar +1 more source
Problem statement. This article proposes a method to measure the bearing of electromagnetic radiation sources in the conditions of passive interference with multipath propagation and in the conditions of using "rough" (small number of elements ...
Y. Gorbunov, M. Epifanov
semanticscholar +1 more source
Small Form-Factor Direction Finding Antenna Backed by Software Defined Radios
2025 IEEE International Symposium on Antennas and Propagation and North American Radio Science Meeting (AP-S/CNC-USNC-URSI)Two monopole Yagi-Uda antennas with a shared ground plane are integrated with software defined radio (SDR) receivers to perform amplitude-only direction finding (DF) in Sband.
Derek Allen +2 more
semanticscholar +1 more source
IEEE International Conference on Electronic Measurement & Instruments
The direction finding (DF) feature has been integrated into the Bluetooth Low Energy (BLE) physical layer to support real-time location systems since the release of Bluetooth version 5.1.
Chen Huang, Hao Liu
semanticscholar +1 more source
The direction finding (DF) feature has been integrated into the Bluetooth Low Energy (BLE) physical layer to support real-time location systems since the release of Bluetooth version 5.1.
Chen Huang, Hao Liu
semanticscholar +1 more source
Advancements in Radio Direction Finding and Geolocation: A Comprehensive Literature Review
Enrichment: Journal of Multidisciplinary Research and DevelopmentRadio Direction Finding (DF) and geolocation technologies are important for communication, modern navigation, and defense systems. While the foundational techniques have existed for over a century, they are increasingly challenged by modern ...
Zulhaidir Hamid, D. Dewiani
semanticscholar +1 more source
High Frequency Correlative Interferometry Direction Finding
International Scientific Conference on Information, Communication and Energy Systems and TechnologiesMain focus of this paper is the improvement of a direction finding (DF) system, by the construction of antennas suitable for DF in the range 28 MHz to 200 MHz.
Evgenii S. Antonov +2 more
semanticscholar +1 more source
Single-Antenna Direction Finding With Harmonic Analysis Based on Phasor Beam-Steering Antenna
IEEE Antennas and Wireless Propagation LettersA novel single-antenna azimuthal direction-finding (DF) method with harmonic analysis is proposed in this letter. Leveraging the phasor beam-steering antenna’s capability of reconfiguring both the amplitude and phase patterns, a one-to-one relationship ...
Siyu Zhou +5 more
semanticscholar +1 more source
2025 International Telecommunications Conference (ITC-Egypt)
Electronic warfare (EW) systems are critical for maintaining strategic advantage in modern military operations by detecting, classifying, and neutralizing adversarial signals.
Mohamed A. Aboelazm
semanticscholar +1 more source
Electronic warfare (EW) systems are critical for maintaining strategic advantage in modern military operations by detecting, classifying, and neutralizing adversarial signals.
Mohamed A. Aboelazm
semanticscholar +1 more source
Amplitude and Phase Imbalance Calibration for Space-Based Precision Direction Finding System
Linköping Electronic Conference ProceedingsModern space systems rely heavily on the Radio Frequency Direction Finder (RF DF) for various applications, where multichannel receivers are used to determine signal arrival angles.
José Augusto De Souza Melo +2 more
semanticscholar +1 more source
A Wideband Balanced Antipodal Vivaldi Antenna for Direction Finding Application
2025 IEEE Microwaves, Antennas, and Propagation Conference (MAPCON)In this paper, a wideband Balanced Antipodal Vivaldi Antenna (BAVA) operating in 2-18 GHz frequency band within the size constraint of $80 \times 120 ~\text{mm}$ for DF application is presented by incorporating innovative concept of adding serration to ...
C. Madhavi +5 more
semanticscholar +1 more source