Results 11 to 20 of about 32,797 (264)
Wideband Radar Echo Frequency-domain Simulation and Analysis for High Speed Moving Targets
Leida xuebao, 2014 A frequency-domain method is proposed for wideband radar echo simulation of high-speed moving targets. Based on the physical process of electromagnetic waves observing a moving target, a frequency-domain echo model of wideband radar is constructed, and ...
Ning Chao +3 more
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Computational imaging of moving objects obscured by a random corridor via speckle correlations
Nature Communications, 2022 The authors demonstrate an approach for imaging moving objects through a tortuous corridor filled with a random media. Their reduced spatial- and ensemble-speckle intensity correlation method allows for reconstruction of centimeter-sized hidden object ...
Tian Shi +5 more
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Inherent Relations among the Three Representations of Radar Target Angular Glint (in English)
Leida xuebao, 2014 Based on ElectroMagnetic (EM) theory and the monopulse radar angle measurement principle, the formulae of angular glint for complex target are proposed and generally applied to tackling practical problems.
Yin Hong-cheng +2 more
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Remote Sensing, 2022 As sea-crossing bridges are important hubs connecting separated land areas, their detection in SAR images is of great significance. However, under complex scenarios, the sea surface conditions, the distribution of coastal terrain morphologies, and the ...
Chun Liu, Chao Li, Jian Yang, Liping Hu
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Remote Sensing, 2022 The synthesis of spectral remote sensing images of the Earth’s background is affected by various factors such as the atmosphere, illumination and terrain, which makes it difficult to simulate random disturbance and real textures.
Biao Wang +4 more
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Theoretical and Experimental Study on the Permittivity of CdTe in the Terahertz Band
Leida xuebao, 2018 The phonon dispersion spectrum, eigenvector, and lattice vibration frequency of cadmium telluride with a zinc blende structure have been investigated using the density functional theory, and the permittivity of cadmium telluride crystal is numerically ...
Sun Wang +3 more
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Planar microwave retroreflector based on transmissive gradient index metasurface
New Journal of Physics, 2020 In this paper, a novel planar microwave retroreflector based on a transmissive gradient metasurface combined with a curved metal mirror is proposed and demonstrated.
Yong-Qiang Liu +4 more
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Numerical Simulation of Single Droplet Impingement upon Dynamic Liquid Film Obliquely
Mathematics, 2022 To better understand the application of droplet impingement in industry and agriculture, in this paper, the coupled level set and volume of fluid (CLSVOF) method is applied to study droplet oblique impact on a dynamic liquid film. The conclusions are the
Shanshan Yang +4 more
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Highly Robust Synthetic Aperture Radar Target Recognition Method Based on Simulation Data Training
International Journal of Antennas and Propagation, 2022 Sufficient synthetic aperture radar (SAR) data is the key element in achieving excellent target recognition performance for most deep learning algorithms.
Liping Hu +4 more
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Surface plasmon dispersion and modes on the graphene metasurface with periodical ribbon arrays
Materials Research Express, 2020 Graphene plasmonics on the structured metasurface demonstrate many exotic properties which can combine novel nanomaterials and well-established plasmonics, providing unique opportunities to develop a series of novel photonic, plasmonic and optoelectronic
Yong-Qiang Liu +2 more
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