منابع مشابه
Improved Models for Precession and Nutation
The modeling of nutations and precession has advanced to the point where the rms of residuals between theory and the observational estimates from the VLBI data of the past decade is only 0.16 mas in sin 0 as well as in . Such a t is provided by the MHB2000 nutation series (Mathews et al., 2000) based on geophysical theory with a few basic Earth parameters estimated by a t to nutation-precession...
متن کاملAn improved embalming fluid formula.
Although a local modification of the usual alcohol-glycerinephenol-formaldehyde embalming formula has proved generally satisfactory through the years, continued price advances in the principal items of this formula led to its re-examination from a number of standpoints. A first consideration was the investigation of the possibility of substitutes for those items, such as ethanol and glycerine, ...
متن کاملLocalization with Improved Proposals
Solving localization and navigation tasks reliably is an essential objective for autonomous mobile systems and robots. A popular technique for estimating the robot’s pose is localization with particle filters, also known as Monte–Carlo localization (MCL). In this paper we present a MCL–based localization system that employs informed proposal distributions to sample particles during the motion s...
متن کاملCapturing Shock Reeections: an Improved Ux Formula
Godunov type schemes, based on exact or approximate solutions to the Riemann problem, have proven to be an excellent tool to compute approximate solutions to hyperbolic systems of conservation laws. However, there are many instances in which a particular scheme produces inappropriate results. In this paper we consider several situations in which Roe's scheme gives incorrect results (or blows up...
متن کاملAN A PRIORI MODEL FOR THE REDUCTION OF NUTATION OBSERVATIONS: A'SVi 994.3 NUTATION SERIES
r • Abst.ra.ct! We discuss the formulation of a new nutation series to be used 'in the reduction of modern space geodetic data. The motivation for devel: oping such a series is to develop a nutation series that has smaller short . period errors than the IAU 1980 nutat ion series and to provide a series that can be used wi th techniques such as the Global Positioning System (GPS) eo • that have ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Symposium - International Astronomical Union
سال: 1990
ISSN: 0074-1809
DOI: 10.1017/s0074180900086575