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1071篇 您的检索式:作者名="Foschini"
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1Accretion and jet power in active galactic nuclei显示文摘The classical diagrams of radio loudness and jet power as a function of mass and accretion rate of the central spacetime singularity in active galactic nuclei are reanalyzed by including the data of the recently discovered powerful relativistic jets in Narrow-Line Seyfert 1 Galaxies. The results are studied in the light of the known theories of relativistic jets, indicating that, although the Blandford-Znajek mechanism is sufficient to explain the power radiated by BL Lac Objects, it fails to completely account for the power from quasars and Narrow-Line Seyfert 1 Galaxies. This favors the scenario outlined by Cavaliere & D'Elia of a composite jet, with a magnetospheric core plus a hydromagnetic component emerging when the accretion power increases and the disk becomes radiation-pressure dominated. A comparison with Galactic compact objects is also made, finding some striking similarities, indicating that since neu- tron stars are low-mass jet systems analogous to black holes, Narrow-Line Seyfert 1 Galaxies are low-mass counterparts of blazars.Luigi Foschini 2011Research in Astronomy and Astrophysics2011,11,11:2
2On Limits of Wireless Communications in a Fading Environment when Using Multiple Antennas显示文摘G.J. Foschini M.J. Gans 1998Wireless Personal Communications1998,,3:2
3On limits of wireless communications in a fading environment when using multiple antennas 显示文摘Foschini G J Gans M J 1998Wireless Personal Communications1998,6,3:1
4On limits of wireless communication in a fading environment when using multiple antennas显示文摘 GANS M 1998Wireless Personal Communication1998,6,3:1
5Simplified processing for high spectral efficiency wireless communication employing multi-element arrays显示文摘Foschini G J Jr G D Golden 1999IEEE J Select Areas Commun1999,17,:1
6On Limits of Wireless Communications in a Fading Environment When Using Multiple Antennas显示文摘FOSCHINI G GANS M 1998Wireless Per- sonal Communications1998,6,3:1
7On Limits of Wireless Communications in a Fading Environment when Using Multiple Antennas显示文摘G.J. Foschini M.J. Gans 1998Wireless Personal Communications1998,,3:1
8On Limits of Wireless Communications in a Fading Environment when Using Multiple Antennas显示文摘G.J. Foschini M.J. Gans 1998Wireless Personal Communications1998,,3:1
9On limits of wireless communications in a fading environment when using multiple antennas 显示文摘FOSCHINI G J GANS M J 1998Wireless Personal Communications1998,6,3:1
10Layered space-time architecture for wireless communication in a fading environment when using multi-element antennas显示文摘 1996Bell Labs Tech J1996,,:1
11Network coordination for spectrally efficient communication in cellular systems 显示文摘Karakayali M K Foschini G J Valenzuela R A 2006IEEE Wireless Communications Magazine2006,13,4:1
12Comparison between echo-color Doppler sonography features and angioarchitecture of thyroid nodules 显示文摘Foschini M P Ragazzi M Parmeggiani A L 2007Int J Surg Pathol2007,15,2:1
13Statistical theory of polarization dispersion in single mode fibers显示文摘Foschini G J Poole C D 1991J Lightwave Technol1991,9,11:1
14Simplified processing for high spectral efficiency wireless communication employing multi-element arrays显示文摘Foschini G J Golden G D Valenzuela R A 1999IEEE Journal on Selected Areas in Communications1999,17,11:1
15Microcalcifications in ductal carcinoma in situ of the breast:histochemical and immunohistochemical study显示文摘Foschini M P Fornelli A Peterse J L 1996Hum Pathol1996,27,2:1
16On Limits of Wireless Communications in a Fading Environment when Using Multiple Antennas显示文摘G.J. Foschini M.J. Gans 1998Wireless Personal Communications1998,,3:1
17On Limits of Wireless Communications in a Fading Environment when Using Multiple Antennas显示文摘G.J. Foschini M.J. Gans 1998Wireless Personal Communications1998,,3:1
18l)etection algorithm and initial laboratory results using V-BIJAS'I' space-time communication architecture 显示文摘GOI DEN G D FOSCHINI C J VALENZUELA R A 1999E- lectronics Letters1999,35,1:1
19On limits of wireless communications in a fading environment when using multiple antennas显示文摘FOSCHINI G J GANS M J 1998Wireless Personal Communications1998,6,3:1
20On limits of wireless communications in a fading environment when using multiple antennas显示文摘Foschini G J Gans M J 1998Wireless Personal Communications1998,6,:1
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