Results 21 to 30 of about 1,794 (207)
The Simulation of Terahertz Wave Radar System [PDF]
Proceedings of the 2015 International Conference on Mechatronics, Electronic, Industrial and Control Engineering, 2015 From the system simulation perspective, the thesis is about testing the coming multi frequency multiplexing Terahertz radar system and take the 340GHz as the example to design and analyze the system. With the adoption of 21.6 GHz Bandwidth and the foundation of the Matlab/Simulink, the Frequency multiplication module, Mixing module and Quadrature ...
Xiangwen Li, Ling Zhou
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Distribution Characteristics of Ground Echo Amplitude and Recognition of Signal Grazing Angle
Sensors, 2021 With the continuous advancement of electronic technology, terahertz technology has gradually been applied on radar. Since short wavelength causes severe ground clutter, this paper studies the amplitude distribution statistical characteristics of the ...
Guangwei Zhang +3 more
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Terahertz Nondestructive Testing with Ultra-Wideband FMCW Radar
Sensors, 2022 This paper presents the development, performance, integration, and implementation of a 150 GHz FMCW radar based on a homodyne harmonic mixing scheme for noncontact, nondestructive testing. This system offers high-dynamic-range measurement capabilities up to 100 dB and measurement rates up to 7.62 kHz.
Barnabé Carré +5 more
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Liquid Crystal-Tuned Planar Optics in Terahertz Range
Applied Sciences, 2023 Recently, terahertz waves of higher frequencies compared to microwave and radio frequency have shown great potential in radar detection and high-speed wireless communication. To spatially control the wavefront of terahertz beams, various novel components,
Hongguan Yu +4 more
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Feature Detection of Acoustically Induced Sea Surface Micro-motions with Terahertz Radar
Leida xuebao, 2023 When underwater acoustic signals propagate to the water surface, the acoustic impedance difference between water and air leads to transverse microamplitude waves on the water surface.
Bin DENG +5 more
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Leida xuebao, 2021 In the Inverse Synthetic Aperture Radar (ISAR) imaging system, when the terahertz radar transmits the wide bandwidth signal and vortex electromagnetic wave, Three-Dimensional (3D) high-resolution imaging can be achieved through information decoupling ...
Yanwen JIANG, Hongqi FAN, Shuangxun LI
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Design concept of a low-terahertz imaging radar
Terahertz Emitters, Receivers, and Applications XIII, 2022 Terahertz (THz) imaging proved to be an efficient and powerful nondestructive examination (NDE) method for inspection of materials and detection of defects. Here, we present the development of a Low-Terahertz Imaging Radar(L-TIR) which is specifically designed for the evaluation of Fibre-Reinforced Polymer (FRP) composites.
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Terahertz active imaging radar: preprocessing and experiment results [PDF]
EURASIP Journal on Wireless Communications and Networking, 2014 A terahertz (THz) radar provides the possibility of higher precision imaging due to the wider bandwidth. A summary of a THz imaging radar system is presented with emphasis on THz radar component design, system design, and detective imaging. In this article, we introduce a linear frequency-modulated continuous wave (LFMCW) radar system with a 4.8-GHz ...
Gang Yao, Yiming Pi
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Measured and simulated performance of a ceramic micromechanical beam steering device at 94 GHz [PDF]
, 2008 We report the first experimental demonstration of a transmission-mode micromechanical beam steering device for use in standoff terahertz imaging and spectroscopy.
Drysdale, T.D. +5 more
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Ultra-Thin Terahertz Deflection Device Based on Laser Direct Writing Graphene Oxide Paper
Micromachines, 2022 In the world of terahertz bands, terahertz beam deflection has gradually attracted substantial attention, due to its great significance in wireless communications, high-resolution imaging and radar applications.
Yixin Suo +5 more
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