The new CCD Zenith Tube
نویسندگان
چکیده
منابع مشابه
Tropospheric Range Error at the Zenith
The atmospheric range error in an electromagnetic signal arriving vertically at the earth is measured by the height integral of the refractivity N through the atmosphere. (N = 10^ (n-1) where n is the index of refraction.) N in the non-ionized atmosphere is the sum of "dry" and "wet" components, which are considered separately. Only the dry part is important at optical wavelengths,and the prese...
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March 197-i ABSTR.ACT The flux of atmospheric muons as a function of momentum and zenith angle is measured for p > 0.3 TeV and 60" < 8 C 87.. Special attention is given the angular distribution above. 1 TeV. In 1967, Bergeson et al. [i] published data from an underground cosmic ray experiment, suggesting that a new process is occurring in nucleon-nudleon interactions at energies of several TeV....
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this thesis deals with the construction of some function algebras whose corresponding semigroup compactification are universal with respect to some properies of their enveloping semigroups. the special properties are of beigan a left zero, a left simple, a group, an inflation of the right zero, and an inflation of the rectangular band.
15 صفحه اولThe Zenith attack: vulnerabilities and countermeasures
In this paper we identify and define Zenith attacks, a new class of attacks on content-distribution systems, which seek to expose the popularity (i.e. access frequency) of individual items of content. As the access pattern to most real-world content exhibits Zipf-like characteristics [2], there is a small set of dominating items which account for the majority of accesses. Identifying such items...
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ژورنال
عنوان ژورنال: Proceedings of the International Astronomical Union
سال: 2007
ISSN: 1743-9213,1743-9221
DOI: 10.1017/s1743921308018826