Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Chenggao Luo"'
Publikováno v:
Leida xuebao, Vol 13, Iss 4, Pp 904-916 (2024)
The conventional terahertz radar suffers from limited operation range for long-distance, noncooperative target detection due to the low transmitter power and atmospheric attenuation effect, both of which pose a hindrance in meeting the requirements o
Externí odkaz:
https://doaj.org/article/2814991598534a82945c5c6ad5f32909
Publikováno v:
Remote Sensing, Vol 16, Iss 22, p 4148 (2024)
Axial estimation is an important task for detecting non-cooperative space targets in orbit, with inverse synthetic aperture radar (ISAR) imaging serving as a fundamental approach to facilitate this process. However, most of the existing axial estimat
Externí odkaz:
https://doaj.org/article/3c3756e20e154309b6f4f72343e493b8
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 1691-1700 (2024)
In this article, to address the long-distance imaging problems, a novel forward-looking 3-D imaging method based on terahertz single-photon radar is presented. The imaging method is based on single-input and single-output architecture system and adop
Externí odkaz:
https://doaj.org/article/167bddd792404105b8a40e35043188df
Publikováno v:
Nanomaterials, Vol 14, Iss 11, p 914 (2024)
With the rapid development of terahertz radar technology, the electromagnetic device for terahertz radar cross-section (RCS) reduction is worth investigating. However, the existing research concentrates on the RCS reduction metasurface with fixed per
Externí odkaz:
https://doaj.org/article/d8094f5b9d364b5d914fcdee0bdbc363
Publikováno v:
Remote Sensing, Vol 16, Iss 5, p 795 (2024)
Metamaterial-based coded aperture imaging (MCAI) is a forward-looking radar imaging technique based on wavefront modulation. The scattering coefficients of the target can resolve as an ill-posed inverse problem. Data-based deep-learning methods provi
Externí odkaz:
https://doaj.org/article/4eaa3ffc3d01440eaf6a76c29d267b0a
Publikováno v:
Remote Sensing, Vol 13, Iss 4, p 671 (2021)
As a promising terahertz radar imaging technology, phaseless terahertz coded-aperture imaging (PL-TCAI) has many advantages such as simple system structure, forward-looking imaging and staring imaging and so forth. However, it is very difficult to re
Externí odkaz:
https://doaj.org/article/444517fe974a4bae8e18e8251e7e12ef
Publikováno v:
Applied Sciences, Vol 10, Iss 8, p 2661 (2020)
Terahertz coded-aperture imaging (TCAI) has many advantages such as forward-looking imaging, staring imaging and low cost and so forth. However, it is difficult to resolve the target under low signal-to-noise ratio (SNR) and the imaging process is ti
Externí odkaz:
https://doaj.org/article/5816a6f009934683b71211b727f31904
Publikováno v:
Sensors, Vol 19, Iss 21, p 4617 (2019)
Phaseless terahertz coded-aperture imaging (PL-TCAI) is a novel radar computational imaging method that utilizes the coded aperture and the incoherent detector array to achieve forward-looking and high-resolution imaging without relying on relative m
Externí odkaz:
https://doaj.org/article/3e200da7f31d4ece8496a96187db215d
Publikováno v:
Sensors, Vol 18, Iss 8, p 2510 (2018)
Terahertz coded-aperture imaging (TCAI) can overcome the difficulties of traditional radar in forward-looking and high-resolution imaging. Three-dimensional (3D) TCAI relies mainly on the reference-signal matrix (RSM), the large size and poor accurac
Externí odkaz:
https://doaj.org/article/4e1c31c1ff6f40a8988713fbcba20425
Publikováno v:
Sensors, Vol 18, Iss 5, p 1582 (2018)
For synthetic aperture radars, it is difficult to achieve forward-looking and staring imaging with high resolution. Fortunately, terahertz coded-aperture imaging (TCAI), an advanced radar imaging technology, can solve this problem by producing variou
Externí odkaz:
https://doaj.org/article/939e5e84e0dd4933b5d24f09eec47894