Results 21 to 30 of about 134,102,892 (221)
Frontiers in Astronomy and Space Sciences, 2022 Multiple propagation modes between different bistatic radar links were measured during the operations of a very high frequency (VHF) 32.55 MHz radar system in northern Norway. The Spread Spectrum Interferometric Multistatic meteor radar Observing Network
Devin Huyghebaert +6 more
doaj +1 more source
Design and simulation of carrier-borne fighter multi-sensor co-detection model [PDF]
Zhihui kongzhi yu fangzhen, 2023 In order to improve the operational effectiveness of multi-sensor cooperative detection of carrier-borne fighter, based on the scene of air interception, according to the combat airspace from far to near, the scene model of the extended range search of ...
LI Taotao, GAO Weiliang, WANG Yongkun, SHEN Junbao, CHENG Huan
doaj +1 more source
Research on a Simulation Model of a Skywave Over-the-Horizon Radar Sea Echo Spectrum
Remote Sensing, 2022 The capability of a skywave over-the-horizon radar (SWR) to achieve the continuous observation of a wide range of ocean dynamics parameters via a single ionospheric reflection has been demonstrated by many scholars.
Mengyan Feng +8 more
doaj +1 more source
IEEE Access, 2022 Over-the-horizon radar (OTHR) is an important equipment for the ultralong-range early warning in the military, but the use of constant false-alarm rate (CFAR), which is a traditional detection method, makes it difficult in multi-aircraft formation ...
Futai Liang +4 more
doaj +1 more source
Experimental Study on Shortwave Communication and OTHR Integrated System Based on OFDM Waveform
Leida xuebao, 2012 Based on the recently developed active-passive multifunctional all-digital HF surface wave radar hardware platform of Wuhan University, an experiment study of integrated technology for shortwave communication and Over-The-Horizon Radar (OTHR) application
Shao Qi-hong +4 more
doaj +1 more source
Experimental Research of HF Passive Radar Based on DRM Digital AM Broadcasting [PDF]
Leida xuebao, 2012 This paper gives the experimental research of HF Passive Bistatic Radar (HFPBR) based on Digital Radio Mondiale (DRM) digital AM broadcasting that have been first carried out in China, using the newly-developed all-digital active/passive integrated HF ...
Wan Xian-rong +5 more
doaj +3 more sources
Известия высших учебных заведений России: Радиоэлектроника, 2019 Introduction. It has been previously reported that small-scale irregularities (SSI) in the polar ionosphere are elongated along the magnetic field and anisotropic in its cross-field direction.
Valery A. Panchenko +2 more
doaj +1 more source
Recent results in MIMO over-the-horizon radar
, 2008 Copyright © 2008 IEEEA demonstration of multiple-input multiple-output over-the-horizon radar is presented. Transmitter signal beam- forming on a multi-element array has been created, not conventionally before transmission at the transmitter facility ...
Frazer, G. +7 more
core +1 more source
Ship and Oil-Spill Detection Using the Degree of Polarization in Linear and Hybrid/Compact Dual-Pol SAR [PDF]
, 2012 Monitoring and detection of ships and oil spills using synthetic aperture radar (SAR) have received a considerable attention over the past few years, notably due to the wide area coverage and day and night all-weather capabilities of SAR systems.
Shirvany, Reza +2 more
core +1 more source
Over-the-horizon aircraft detection using skywave AM-radio broadcast signals
, 2015 We present the preliminary experimental results of a collaborative research project to determine the feasibility of using AM-radio broadcasts of opportunity for aircraft detection at ranges of thousands of kilometers from a terrestrial receiver.
Ng, B. +4 more
core +1 more source