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Titlebook: Sources and Scintillations; Refraction and Scatt R. Strom,P. Bo,N. Rendong Book 2001 Springer Science+Business Media Dordrecht 2001 Planet.

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发表于 2025-3-21 17:19:17 | 显示全部楼层 |阅读模式
书目名称Sources and Scintillations
副标题Refraction and Scatt
编辑R. Strom,P. Bo,N. Rendong
视频video
图书封面Titlebook: Sources and Scintillations; Refraction and Scatt R. Strom,P. Bo,N. Rendong Book 2001 Springer Science+Business Media Dordrecht 2001 Planet.
描述The genesis of IAU Colloquium 182, ‘Sources and scintillations: refraction and scattering in radio astronomy,‘ can be traced to the desire, on the one hand, of Beijing Astronomical Observatory radio astronomers to organize a conference which would highlight the need for high sensitivity - as a way ofpromoting their own project to build the world‘s largest telescope (FAST) - and to a suggestion from Ron Ekers on the other. During a discussion with the two SOC co-chairs (as they then were not) in January 1999 in Epping, Ron noted the success ofa meeting on ‘radio seeing‘ in Beijing in 1989, and wondered whether the time might not be ripe to organize another conference devoted to radio propagation. This set the ball rolling, and with enthusiastic input from SOC members, a successful application was made to the IAU. Later, the URSI also agreed to co-sponsor the meeting. From April 17-21, 2000, over 80 astronomers from a dozen countries met in Guiyang, China, to discuss the latestexciting results and theoretical ideas on radio propagation through interstellar, intergalactic and interplanetary space. These pro­ ceedings include almost all (95%) ofthe oral presentations given at the confe
出版日期Book 2001
关键词Planet; active galactic nuclei; astronomy; gravitation; gravitational lens; gravity; interstellar matter; r
版次1
doihttps://doi.org/10.1007/978-94-010-1001-6
isbn_softcover978-94-010-3879-9
isbn_ebook978-94-010-1001-6
copyrightSpringer Science+Business Media Dordrecht 2001
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发表于 2025-3-21 21:45:57 | 显示全部楼层
Looking Into Pulsar Magnetospheresttering angle that may beas large as 0.1 radians, and a typical decorrelation time of 10. seconds. Refractive scattering due tolarge scale inhomogeneities is also possible, with a typical angle of 10. radians and a correlationtime of the order of 10. seconds. Some of the magneto spheric propagation effects may have alreadybeen observed.
发表于 2025-3-22 02:51:11 | 显示全部楼层
The Galactic Distribution of Electron Density Microstructure Inferred from Radio Scattering ObservatGalactic distribution of electron density andits fluctuations, as inferred from a number of observables, including angular and pulse broadening,diffractive scintillations, and dispersion measures. Propects for improving the Galactic model areoutlined.
发表于 2025-3-22 06:27:42 | 显示全部楼层
Incompressible MHD Turbulencee cascade dynamics. Slowwaves play a passive role and adopt the spectrum set by the shear Alfvén waves. Cascades composedentirely of shear Alfvén waves do not generate a significant measure of slow waves. MHD turbulenceis anisotropic with energy cascading more rapidly along .⊥. than along .∥. Anisot
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发表于 2025-3-22 16:33:40 | 显示全部楼层
The Parkes Multibeam Pulsar Survey and Interstellar Scatteringreceiver on the Parkes 64-m radiotelescope.It is an international collaboration between groups at Jodrell Bank Observatory, MassachusettsInstitute of Technology, Bologna Astronomical Observatory and the ATNF. The survey commencedin 1997 August, and has so far succeeded in finding more than 550 previ
发表于 2025-3-22 18:30:41 | 显示全部楼层
Frequency Structure of Radio Scintillations for Several Pulsarservations made with differentinstruments and at different radio frequencies. All objects but the pulsar B1508+55 were detected tohave more than one frequency scale. The obtained values of scattering parameters are not contrary ingeneral to the Kkolmogorov form of density fluctuation spectrum.
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发表于 2025-3-23 03:13:24 | 显示全部楼层
Scattering Of The Low Frequency Pulsar Radiationgest uniform sample of directmeasurements of pulsar scattering τ. , which make it feasible to analyze the dependence of this valueon other pulsar parameters. The measured dependence of τ. on dispersion measure τ.(.) =40(./100). is close to theoretically expected relation τ.(.) α ... A frequency depe
发表于 2025-3-23 08:56:18 | 显示全部楼层
Scintillation Observations Of Strong Northern Pulsarst also affects the precision of pulse timingobservations. Using a pulsar timing system developed at the Urumqi Astronomical Observatory 25 mtelescope, we observed diffractive scintillation dynamic spectra for several strong northern pulsars.This paper introduces the observing system and discusses th
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