Zobrazeno 1 - 10
of 223
pro vyhledávání: '"LI Daojing"'
Publikováno v:
Leida xuebao, Vol 9, Iss 1, Pp 166-173 (2020)
High-resolution wide-swath SAR moving target imaging is of great significance for target tracking. To achieve target tracking, conversional space-based multichannel SAR technology requires a large number of channels. However, this leads to high syste
Externí odkaz:
https://doaj.org/article/3ea74d28698c4065b75ee527cb7cb8ff
Publikováno v:
Leida xuebao, Vol 9, Iss 1, Pp 195-203 (2020)
In recent years, the diffractive optical systems have developed rapidly. Diffractive devices such as binary optical device and membrane-based lens are equivalent to fixed phase shifters of microwave antennas. Thus, the mature theories and methods of
Externí odkaz:
https://doaj.org/article/114d573982f6488b9bc26a6551b38486
Autor:
Tian He, Li Daojing
Publikováno v:
Leida xuebao, Vol 7, Iss 6, Pp 717-729 (2018)
In this study, we adopt a criterion of Barker code to generate a high-resolution image from sparse flight samples to establish a three-dimensional (3-D) imaging model of airborne array SAR. Under the condition of motion error, we utilize the Modified
Externí odkaz:
https://doaj.org/article/8dbe5ade96084ec394bdc691614db53f
Publikováno v:
Leida xuebao, Vol 7, Iss 3, Pp 376-386 (2018)
This paper examines the processing of millimeter-wave imaging data based on sparse sampling and sparse array design for the rapid imaging of human security data. First, based on the cylindrical scanning imaging model, the Barker code-based randomly s
Externí odkaz:
https://doaj.org/article/0db285cdda9b42a1b623647f5a83d811
Autor:
Li Daojing, Hu Xuan
Publikováno v:
Leida xuebao, Vol 7, Iss 2, Pp 263-274 (2018)
Optical system and detection range of Synthetic Aperture Ladar (SAL) are analyzed. According to the imaging characteristics of SAL, the concept that SAL uses non-imaging diffractive optical system are proposed, meanwhile, the phased array model is in
Externí odkaz:
https://doaj.org/article/83a34adea49648e1a3b1102d08883431
Publikováno v:
Leida xuebao, Vol 5, Iss 1, Pp 109-117 (2016)
A conformal sparse array based on combined Barker code is designed for airship platform. The performance of the designed array such as signal-to-noise ratio is analyzed. Using the hovering characteristics of the airship, interferometry operation can
Externí odkaz:
https://doaj.org/article/1c217511adb94903b5c1e15c2501289b
Autor:
Gao, Jinghan1,2 (AUTHOR) gaojinghan20@mails.ucas.ac.cn, Li, Daojing1 (AUTHOR) lidj@mail.ie.ac.cn, Wu, Jiang1,2 (AUTHOR) cuianjing20@mails.ucas.ac.cn, Cui, Anjing1,2 (AUTHOR) wusm@aircas.ac.cn, Wu, Shumei1 (AUTHOR)
Publikováno v:
Remote Sensing. Sep2024, Vol. 16 Issue 17, p3201. 16p.
Autor:
Zhang, Pangpang, Cui, Dehua, Zhang, Peng, Wang, Hongjun, Hao, Yongnan, Ma, Jinfeng, Li, Qiuhua, Zhang, Aimei, Li, Daojing, Li, Xiang
Publikováno v:
In Journal of Stroke and Cerebrovascular Diseases June 2024 33(6)
Autor:
Zhang, Peng, Zhang, Ziheng, Li, Daojing, Han, Rongrong, Li, Hongfang, Ma, Jinfeng, Xu, Peng, Qi, Ziyou, Liu, Lixia, Zhang, Aimei
Publikováno v:
In Journal of Stroke and Cerebrovascular Diseases October 2023 32(10)
Investigation of internal polarization dynamics of vector dissipative-soliton-resonance (DSR) pulses in a mode-locked fiber laser is presented. Stable vector DSR pulses are experimentally ob- served. Using a waveplate-analyzer configuration, we find
Externí odkaz:
http://arxiv.org/abs/1707.05939
