Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Zi Qiang Hao"'
Publikováno v:
Applied Mechanics and Materials. 721:678-681
In near space optical communication, the laser beam energy affects communication link distance directly, also laser beam quality affects the laser energy density, modulation efficiency, bit error rate (BER) of communication and other parameters. In t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd895f71e473d50be4f6ffb08e1b2b4f
https://doi.org/10.4028/www.scientific.net/amm.721.678
https://doi.org/10.4028/www.scientific.net/amm.721.678
Publikováno v:
Advanced Materials Research. :1787-1790
Compared with continuous laser, pulsed fiber laser has the advantages of high peak power, which is widely used in device processing, military defense and other areas. As the repetition frequency of pulsed fiber laser is low and therefore it cannot re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d9c2a0b8b885e9a0a549b671b0d60fd
https://doi.org/10.4028/www.scientific.net/amr.926-930.1787
https://doi.org/10.4028/www.scientific.net/amr.926-930.1787
Autor:
Zi Qiang Hao, Hong Zuo Li
Publikováno v:
Advanced Materials Research. :512-515
This thesis designs a new model of thermal control circuit based on the in-depth study on the temperature control of laser, in order to make laser to work under a constant temperature. This circuit uses ADN8831 as the key chip, combines PWM control s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4452b66628287e000fba593e83e83381
https://doi.org/10.4028/www.scientific.net/amr.850-851.512
https://doi.org/10.4028/www.scientific.net/amr.850-851.512
Publikováno v:
Advanced Materials Research. :508-511
The visible light communication (VLC) technology based on the lighting system of space station is put forward. The VLC has advantages of not taking up radio spectrum, no electromagnet interference and radiation, high emission power and good secrecy.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a67f3c4f38bc86fdc5fa3af0aeb8afc3
https://doi.org/10.4028/www.scientific.net/amr.850-851.508
https://doi.org/10.4028/www.scientific.net/amr.850-851.508
Publikováno v:
SPIE Proceedings.
As human beings expand the research in unknown areas constantly, the deep space exploration has become a hot research topic all over the world. According to the long distance and large amount of information transmission characteristics of deep space
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd59d1840b0e269e110d5f574aab32eb
https://doi.org/10.1117/12.2033148
https://doi.org/10.1117/12.2033148