Results 231 to 235 of about 359,797 (235)

Wideband vertically polarized omnidirectional antennas for direction finding (DF) system

2014 IEEE Antennas and Propagation Society International Symposium (APSURSI), 2014
In this work, wideband vertically polarized omnidirectional antenna candidates for a direction finding (DF) system are presented, which operate over frequency spectrum between 100 MHz to 1300 MHz (frequency ratio: 13:1). Two antenna solutions based on Spirograph monopole and bow-tie monopole were designed, developed and experimentally verified. To ease
Satish K Sharma, Jennifer Rayno, S. Fernandez, Robert Bortolin, A. Berezin, J. Kudva   +5 more
openaire   +1 more source

Interferometer Direction-Finding System With Improved DF Accuracy Using Two Different Array Configurations

IEEE Antennas and Wireless Propagation Letters, 2015
A novel array configuration for improving the direction-finding (DF) accuracy of an interferometer DF system is presented. The interferometer DF system that uses a single array configuration provides a high DF accuracy over a wide frequency range. However, the DF accuracy in the low-frequency range for this array configuration is lower than that of the
Jung-Hoon Lee, Jong-Myung Woo
openaire   +1 more source

A low cost HF direction finding antenna array simulator for verification of HF-DF receivers

2014 IEEE AUTOTEST, 2014
Field tests of High Frequency (HF)-Direction Finding (DF) receiver often require deployment of the antennas and transmission of a test signal. It is a difficult task for most of the HF-DF receiver depending on number of the antennas and the distance between them.
Neriman Ergezer, Halil Nayir
openaire   +1 more source

Description of Wind/Waves/RAD1 L3 Direction-Finding (DF) data production

2022
Bonnin, Xavier, Hoang, Sang, Cecconi, Baptiste, Issautier, Karine   +3 more
openaire   +1 more source