Results 101 to 110 of about 380 (139)

Enhancing monitoring systems with interference-handling radio frequency direction finding: BMKG C-Band weather radar in West Kalimantan Indonesia case study [PDF]

This study investigates the effectiveness of the interference-handling radio frequency direction finding (RFDF) monitoring system in detecting and localizing interference sources near the BMKG C-Band weather radar in West Kalimantan, Indonesia.
Kurnawan, Wawan, Kurniawan, Ade, Kusumawardhani, Eka, Mawaldi, Ikbal, Putra, Leonardus Sandy Ade   +4 more
core   +2 more sources

Multiscale Modeling and Simulation of Clutter in ISAR Imaging [PDF]

, 2020
Clutter is common in applications of radar imaging and can adversely impact target imaging by contributing scattered energy that is not accounted for in target signal models.
Mitchell, Jon
core   +1 more source

COVID-19 impact on global maritime mobility. [PDF]

Sci Rep, 2021
Millefiori LM, Braca P, Zissis D, Spiliopoulos G, Marano S, Willett PK, Carniel S.   +6 more
europepmc   +1 more source

Apport de la bipolarisation, du traitement adaptatif du signal et de la multirésolution à l'élimination du fouillis ionosphérique pour les radars haute fréquence à ondes de surface [PDF]

, 2007
The French Aerospace Lab ONERA has been studying properties of high frequency surface wave radars (HFSWR). In order to assess the effective efficiency of those radars, the Lab is building its own system.
Jangal, Florent
core   +2 more sources

3-D Moving Target Localization in Multistatic HFSWR: Efficient Algorithm and Performance Analysis

Remote Sensing
High-frequency surface wave radar (HFSWR) is unable to measure the target’s altitude information due to its limited antenna aperture in the elevation dimension.
Xun Zhang, Jun Geng, Yunlong Wang, Yijia Guo   +3 more
doaj   +1 more source

Typhoon Early Warning and Monitoring Based on the Comprehensive Characteristics of Oceanic and Ionospheric Echoes from HFSWR: The Case of Typhoon Muifa

Remote Sensing
As devastating natural disasters, typhoons pose a tremendous threat to human society, making effective typhoon early warning and monitoring crucial.
Menghua Jiang, Yonggang Ji, Ruozhao Qu, Hao Zhang, Jianqiang Du   +4 more
doaj   +1 more source

Designing Laboratory for IoT Communication Infrastructure Environment for Remote Maritime Surveillance in Equatorial Areas Based on the Gulf of Guinea Field Experiences. [PDF]

Sensors (Basel), 2020
Petrovic R, Simic D, Drajic D, Cica Z, Nikolic D, Peric M.   +5 more
europepmc   +1 more source

China Near Seas Combat Capabilities [PDF]

, 2014
The capstone U.S. Defense Department study on the future operational environment declares, China\u27s rise represents the most significant single event on the international horizon since the collapse of the Cold War.
Dutton, Peter A., Erickson, Andrew S., Martinson, Ryan D.   +2 more
core   +1 more source

A Vigilância dos grandes espaços marítimos [PDF]

, 2014
Este trabalho de investigação aborda a problemática da vigilância marítima para os grandes espaços marítimos, à luz de um conjunto de fatores determinantes que a enforma, procurando contribuir para identificar um modelo a adotar para a edificação de um ...
Barreto, Alberto
core  

Robust Adaptive Beamforming with Optimal Covariance Matrix Estimation in the Presence of Gain-Phase Errors. [PDF]

Sensors (Basel), 2020
Yao D, Zhang X, Hu B, Yang Q, Wu X.
europepmc   +1 more source