Results 1 to 10 of about 252,491 (337)

Generating Payloads of Power Monitoring Systems Compliant with Power Network Protocols Using Generative Adversarial Networks [PDF]

open access: goldEnergies
In the network environment of power systems, payload generation is used to construct data packets, which are used to obtain data for the security management of network assets.
Hao Zhang   +6 more
doaj   +2 more sources

Evaluation of the Mechanical Stability of Optical Payloads for Remote Sensing Satellites Based on Analysis and Testing Results [PDF]

open access: yesSensors
This paper presents the results of numerical modeling and vibration testing of a nanosatellite’s optical payload, aimed at assessing its mechanical stability under the mechanical impacts of launch.
Dulat Akzhigitov   +4 more
doaj   +2 more sources

High Precision Remote Sensing Payload Alignment Procedure Using Theodolite and Alignment Cube [PDF]

open access: yesفصلنامه علوم و فناوری فضایی, 2023
In this paper, a step-by-step laboratory procedure for performing a satellite's payload’s alignment measurement is presented. Four highly accurate theodolites are used along with two or more alignment corner cube to accurately extract the final attitude.
Javad Haghshenas   +1 more
doaj   +1 more source

Optimal Design of the Reflector Antenna to Improve Performance of C-Band Quad-Pol ScanSAR Systems [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2020
The performance of synthetic aperture radar (SAR) antenna determines the quality of images obtained from the spaceborne SAR system, and thus, SAR antenna should be designed to satisfy the target performance of SAR system.
Jung-Hwan Lim   +5 more
doaj   +1 more source

SAIL payload accommodations study [PDF]

open access: green, 1977
Methods for accommodating payloads in SAIL are evaluated. It is concluded that a special payload be used as the standard method for verifying avionics systems and experiments.
Neubaur, R. J.
core   +2 more sources

Performance Evaluation of a Modified SweepSAR Mode for Quad-Pol Application in SAR Systems [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2020
Efficient earth observation using spaceborne synthetic aperture radar (SAR) requires the analysis of high-resolution wide-swath (HRWS) systems, which have a fine resolution and a short revisit time through wide-area observation, and quadrature ...
Jung-Hwan Lim   +6 more
doaj   +1 more source

Erratum to “Performance Evaluation of a Modified SweepSAR Mode for Quad-Pol Application in SAR Systems” [PDF]

open access: yesJournal of Electromagnetic Engineering and Science, 2020
In the paper entitled “Performance Evaluation of a Modified SweepSAR Mode for Quad-Pol Application in SAR Systems (Journal of Electromagnetic Engineering and Science, vol. 20, no. 3, pp. 199-206, 2020)”, the Acknowledgments has incorrect information. The
Jung-Hwan Lim   +6 more
doaj   +1 more source

A Modified SweepSAR Mode with Dual Channels for High Resolution and Wide Swath [PDF]

open access: yesJournal of the Korean Institute of Electromagnetic Engineering and Science, 2018
In this study, an imaging mode of the modified SweepSAR is proposed with performance analysis for a high-resolution and wide swath coverage. To reduce the overall antenna size required for the solution of the azimuth ambiguity problem, different pulse ...
Seong Sik Yoon   +5 more
doaj   +1 more source

Dual-Band Direct Conversion Receiver With Additive Mixing Architecture

open access: yesIEEE Access, 2022
A dual-band direct conversion receiver based on additive mixing architecture for low-cost and multi-mode wireless communication systems is proposed. The proposed receiver consists of two active four-port junctions for additive mixing and one-stage dual ...
Seong-Mo Moon, Han Lim Lee
doaj   +1 more source

First results of low frequency electromagnetic wave detector of TC-2/Double Star program [PDF]

open access: yesAnnales Geophysicae, 2005
LFEW is a low frequency electromagnetic wave detector mounted on TC-2, which can measure the magnetic fluctuation of low frequency electromagnetic waves. The frequency range is 8 Hz to 10 kHz.
J. B. Cao   +21 more
doaj   +1 more source

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