Results 101 to 110 of about 45,007 (228)

Atmospheric measurements over kwajalein using falling spheres [PDF]

open access: yes
Atmosphere measurements using falling spheres tracked by ...
Bonfanti, G.   +3 more
core   +1 more source

Ultra-Wide Swath SAR Imaging With Continuous PRF Variation [PDF]

open access: yes, 2010
Innovative multi-channel synthetic aperture radar (SAR) concepts enable high-resolution wide-swath imaging, but the antenna length typically restricts the achievable swath width.
Gebert, Nicolas, Krieger, Gerhard
core  

A LTA flight research vehicle [PDF]

open access: yes, 1975
An Airship Flight Research Program is proposed. Major program objectives are summarized and a Modernized Navy ZPG3W Airship recommended as the flight test vehicle. The origin of the current interest in modern airship vehicles is briefly discussed and the
Nebiker, F. R.
core   +1 more source

WARTAWAN DAN BUDAYA AMPLOP (BUDAYA AMPLOP PADA WARTAWAN PENDIDIKAN DALAM KAITANNYA DENGAN MEDIA RELATIONS)

open access: yesInformasi, 2015
Journalists play an important role as the fourth pillar of democracy. Doing so, journalists should be independent and separated from outside interference.
Adhianty Nurjanah   +2 more
doaj   +1 more source

Helical automatic approaches of helicopters with microwave landing systems [PDF]

open access: yes
A program is under way to develop a data base for establishing navigation and guidance concepts for all-weather operation of rotorcraft. One of the objectives is to examine the feasibility of conducting simultaneous rotorcraft and conventional fixed-wing,
Dugan, D. C.   +2 more
core   +1 more source

RADAR ENVELOPE VISUALIZATION

open access: yes, 2018
The Navy and Marine Corps cannot expect to always operate aircraft within permissive environments. Potential employment scenarios include operations against advanced surface-to-air missiles and early warning radars with detection ranges advertised beyond 200 nautical miles. Low-observable aircraft are not a panacea.
openaire   +1 more source

An Efficient Spectral Approach for JCR Narrow Band Signals in Presence of Multipath and Noise

open access: yesIEEE Open Journal of the Communications Society
Joint Communication Radar (JCR) systems have garnered significant attention due to their ability to simultaneously perform communication and radar sensing tasks.
Salem Titouni   +6 more
doaj   +1 more source

Millimeter-wave joint radar and communication system based on photonic frequency-multiplying constant envelope LFM-OFDM

open access: gold, 2022
Wenlin Bai   +9 more
openalex   +1 more source

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