Results 1 to 10 of about 156,538 (310)
Study of Residual Stress Using Phased Array Ultrasonics in Ti-6AL-4V Wire-Arc Additively Manufactured Components [PDF]
SensorsThis paper presents a study on residual stress measurement in wire-arc additively manufactured (WAAM) titanium samples using the non-destructive method of phased array ultrasonics. The contour method (CM) was used for the verification of the phased array
Joseph Walker +9 more
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Concept and System Architecture of Open Phased Array
Leida xuebao, 2023 In the article, the concept and system architecture of open phased array is elaborated systematically and comprehensively for the first time. Open phased array has the characteristics of virtualized resources, software-defined applications, and modular ...
Mingchun HU
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IEEE Access, 2023 Lightweight and deployable phased arrays are important in Small-Satellite (Small-Sat) constellation systems to reduce price and increase link distance. This article proposes a Ka-band deployable active phased-array TX on a 4-layer liquid crystal polymer (
Dongwon You +13 more
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An
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2021 Sea surface salinity (SSS) in coastal zones with high temporal and spatial resolutions is also needed for scientific research and marine economy. However, one of the limitations of airborne L-band real-aperture microwave radiometers and synthesis ...
Hailiang Lu +8 more
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Phased Array of Phased Arrays (PAPA) Laser Systems Architecture [PDF]
Fiber and Integrated Optics, 2003 This paper introduces and analyzes revolutionary laser system architecture capable of dramatically reducing the complexity of laser systems while simultaneously increasing capability. The architecture includes three major subsystems. The first is a phased array of laser sources.
P.F. McManamon, W. Thompson
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Numerical simulation of phased array ultrasonic testing for fillet weld defects of type-B sleeve
You-qi chuyun, 2022 Type-B sleeve repair is one of the main permanent repair methods for long-distance oil and gas pipelines at present. However, fillet weld defects are often produced during the operation, which need to be detected and evaluated by phased array ultrasonic ...
Hongbo ZHANG +5 more
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Design of a Tile-Type Rx Multi-Beam Digital Active Phased Array Antenna System [PDF]
Journal of Electromagnetic Engineering and Science, 2022 This paper details the design, manufacture, and performance test results of a highly integrated Rx multi-beam active phased array antenna for aerial communications.
Taehwan Joo +4 more
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Embryonics Based Phased Array Antenna Structure With Self-Repair Ability
IEEE Access, 2020 The reliability of phased array antenna can be improved with the self-repairing technology, and the existing self-repair method based on the TR module reconfiguration has problems such as slow calculation speed and difficulty in calculating the elements'
Sai Zhu +4 more
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Phased Array Antenna System Enabled by Liquid Metal Phase Shifters
IEEE Access, 2023 This paper introduces a proof of concept design for the first phased array antenna design enabled by liquid metal (LM) technology. The proposed LM phased array antenna system is based on substrate integrated waveguides (SIW) to excite an $1\times 4 ...
Shaker Alkaraki +4 more
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A Review of Multibeam Phased Array Antennas as LEO Satellite Constellation Ground Station
IEEE Access, 2021 Small satellites in low Earth orbit (LEO) are typically organized as a satellite constellation. The satellite number of a LEO satellite constellation would be several hundred or even tens of thousands to realize a fully global coverage.
Guolong He +3 more
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