Topic
L band
About: L band is a research topic. Over the lifetime, 674 publications have been published within this topic receiving 4570 citations.
Papers published on a yearly basis
Papers
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01 Aug 2017
TL;DR: In this paper, a L-band multiple-beam phased array antenna with integrated structural design for satellite usage is described by using the integrated design, the height of the filters and the LNA modules are reduced, and all the radiating elements and modules are assembled on one integral panel.
Abstract: A L-band multiple-beam phased array antenna with integrated structural design for satellite usage is described in this paper By using the integrated design, the height of the filters and the LNA modules are reduced, and all the radiating elements and modules are assembled on one integral panel Meanwhile, a solder-less junction structure is developed between the radiating elements and the filters In this way, it is possible to realize the miniaturization and lightweight of the antenna
1 citations
Proceedings Article•
01 Jan 2007
1 citations
TL;DR: In this article, a finite element method is applied for solving the modal field of erbium-doped hole-assisted lightguide fiber (EDHALF), and a modified average population inversion iteration method is proposed to simulate the gain coefficients of EDHALFs amplifiers.
Abstract: The finite element method is applied for solving the modal field of erbium-doped hole-assisted lightguide fiber
(EDHALF). The modified average population inversion iteration method is proposed for simulating the gain coefficients
of EDHALF amplifiers. The relation between the structural parameters of EDHALFs and the gain coefficient of L band
EDHALF amplifiers is investigated by means of the finite element method combined with the modified average
population inversion method. Four structural parameters of EDHALF-core diameter, the refractive index difference
between the core and silica cladding, the relative hole-to-core spacing and the relative size of air holes are optimized in
terms of the design criteria of L band erbium-doped fiber, which take into account the cutoff wavelengths, the gain
coefficients of L band fiber amplifiers and the splice loss between the EDHALF and the conventional single-mode fiber.
At last, the comparisons between the EDHALF and the conventional erbium-doped fiber for L band applications are
made.
1 citations
Patent•
17 Jan 2018
TL;DR: In this article, a network management system (NMS) and methods for automating aircraft wideband streaming L band providing dedicated high data rate communication links from an aircraft fitted with an approved L-band terminal and antenna over a satellite communication network, such as the Inmarsat Swift Broadband network.
Abstract: A network management systems (NMS) and methods for automating aircraft wideband streaming L band providing dedicated high data rate communication links from an aircraft fitted with an approved L-band terminal and antenna over a satellite communication network, such as the Inmarsat Swift Broadband network. The systems and methods allow for modifying the L-band terminal wiring to inject a dedicated single channel per carrier (SCPC) signal from an external modem to achieve return data rates in the range of several Mbps over a dedicated leased satellite bandwidth.
1 citations