Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Jidong Xie"'
Autor:
Laiding Zhao, Jidong Xie
Publikováno v:
IEEE Access, Vol 5, Pp 9957-9961 (2017)
This paper theoretically analyzes the impact of the antenna sub-reflector focus excursion technique on the antenna pattern. First, we derive relevant formulas and analyze pattern variation based on the focus excursion. On this base, this paper then p
Externí odkaz:
https://doaj.org/article/b05a1dd581e24528836f657dce3b4e22
Publikováno v:
IEEE Access, Vol 5, Pp 18391-18401 (2017)
Internet of Things (IoT) is one of the evolutionary directions of the Internet. This paper focuses on the low earth orbit (LEO) satellite constellation-based IoT services for their irreplaceable functions. In many cases, IoT devices are distributed i
Externí odkaz:
https://doaj.org/article/a68d3c54936c403eaa770fbc6b435245
Publikováno v:
International Journal of Antennas and Propagation, Vol 2018 (2018)
A design for Ka-band satellite communication antenna in earth station is introduced. This kind of antenna uses splash plate feed based on ring-focus antenna. The theory of the new splash plate feed design is presented and the relative equations are d
Externí odkaz:
https://doaj.org/article/e348b6b094504f5081b129cc10698333
Publikováno v:
Wireless and Satellite Systems ISBN: 9783030690687
Based on the frequency division multiplexing principle of the multi-beam antenna, this paper proposes a new method for locating interference sources by only one single satellite. According to the antenna pattern function expression of multi-beam ante
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59e5c3d9d7d044be278225fe0c395423
https://doi.org/10.1007/978-3-030-69069-4_21
https://doi.org/10.1007/978-3-030-69069-4_21
The first-mile transportation provides a transit service using ridesharing-based vehicles, e.g., feeder buses, for passengers to travel from their homes, workplaces, or public institutions to the nearest public transportation depots (rapid-transit me
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b2b5b0ce0d2169eac9d3735eac78c293
https://hdl.handle.net/10356/147524
https://hdl.handle.net/10356/147524
Publikováno v:
Agricultural and Forest Meteorology. 259:260-270
The rice heading stage is an essential phase of rice production as it directly affects the rice yield. This paper transforms the issue of rice heading stage automatic observation into the problem of rice spike detection and proposes a new method for
Publikováno v:
China Communications. 15:137-148
Two-axis transportable satellite antennas (TATSAs) have been widely adopted owing to its simple structure and low cost. However, by searching in a wide range, it will take a very long searching time. Under extreme conditions, it will even fail to wor
Publikováno v:
China Communications. 15:220-235
Satellite communication systems (SCS) operating on frequency bands above 10GHz are sensitive to atmosphere physical phenomena, especially rain attenuation. To evaluate impairments in satellite performance, stochastic dynamic modeling (SDM) is conside
Publikováno v:
IEEE Access, Vol 5, Pp 18391-18401 (2017)
Internet of Things (IoT) is one of the evolutionary directions of the Internet. This paper focuses on the low earth orbit (LEO) satellite constellation-based IoT services for their irreplaceable functions. In many cases, IoT devices are distributed i
Publikováno v:
WOCC
This paper proposed to increase the number of co- frequency beams (CFBs) to reduce the positioning error (PE) in single-satellite interference source (IS) positioning. The method of IS positioning was discussed based on the difference of the received