Simplified perturbations models

Known as: SGP8, SDP8, Simplified Perturbations model 
Simplified perturbations models are a set of five mathematical models (SGP, SGP4, SDP4, SGP8 and SDP8) used to calculate orbital state vectors of… (More)
Wikipedia

Papers overview

Semantic Scholar uses AI to extract papers important to this topic.
2014
2014
The number of space objects such as satellites, spacecraft, and debris are increasing significantly, and so is the need for… (More)
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 6
Is this relevant?
Highly Cited
2009
Highly Cited
2009
A class of scaled gradient projection methods for optimization problems with simple constraints is considered. These iterative… (More)
  • figure 1
  • figure 2
  • figure 3
  • table 1
  • table 2
Is this relevant?
2008
2008
Air-broadened half-widths of the 22- and 183-GHz water-vapor lines and associated uncertainties have been determined using… (More)
  • figure 1
  • figure 2
  • table I
  • table II
  • figure 3
Is this relevant?
Highly Cited
2003
Highly Cited
2003
An Ensemble Kalman filter (EnKF) is used to assimilate airborne measurements of 1.4 GHz surface brightness temperature ðTB… (More)
  • figure 1
  • figure 2
  • figure 3
  • figure 4
  • figure 5
Is this relevant?
Highly Cited
2002
Highly Cited
2002
We examine the effect of securities laws on stock market development in 49 countries. We find almost no evidence that public… (More)
  • table I
  • table II
  • table II
  • table II
  • table III
Is this relevant?
Highly Cited
2002
Highly Cited
2002
[1] The sensitivity of the tropospheric extratropical circulation to thermal perturbations of the polar stratosphere is examined… (More)
  • figure 2
  • figure 1
  • figure 3
  • figure 4
  • figure 5
Is this relevant?
2000
2000
Results from numerical simulations of the Colorado Front Range downslope windstorm of 9 December 1992 are presented. Although… (More)
  • figure 1
  • figure 2
  • figure 3
  • figure 5
  • figure 4
Is this relevant?
Highly Cited
1998
Highly Cited
1998
If an agent does not have complete information about the world-state, it must reason about alternative possible states of the… (More)
Is this relevant?
Highly Cited
1986
Highly Cited
1986
Ocean /atmosphere perturbations that generate large-scale thermal anomalies in the Pacific are natural processes that cause… (More)
Is this relevant?
Highly Cited
1979
Highly Cited
1979
Natural disturbances have been traditionally defined in terms of major catastrophic events originating in the physical… (More)
Is this relevant?