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Dive into the research topics where Sigrid Close is active.

Publication


Featured researches published by Sigrid Close.


Journal of Atmospheric and Solar-Terrestrial Physics | 2005

Modelling high-power large-aperture radar meteor trails

Lars P. Dyrud; Licia Colette Ray; Meers Maxwell Oppenheim; Sigrid Close; K. D. Denney


Archive | 2001

Two-frequency meteor observations using the Advanced Research Project Agency Long Range Tracking and Instrumentation Radar (ALTAIR)

Stephen P. Hunt; Sigrid Close; Meers Maxwell Oppenheim; Lars P. Dyrud


Archive | 2002

Field-aligned irregularities in meteor trails: Linear theory

Meers Maxwell Oppenheim; Lars P. Dyrud; Sigrid Close; Stephen P. Hunt; A. F. vom Endt


Archive | 2002

Meteoroid mass determination using head echoes detected at multiple frequencies

Sigrid Close; Meers Maxwell Oppenheim; Stephen P. Hunt; Fred McKeen; Anthea J. Coster


Archive | 2001

Theory and simulations of field-aligned irregularities in meteor trails

Meers Maxwell Oppenheim; Lars P. Dyrud; Sigrid Close; Stephen P. Hunt


Archive | 2001

Simultaneous dual-frequency observations of meteor head echoes using ALTAIR

Sigrid Close; Stephen P. Hunt; Meers Maxwell Oppenheim; Fred McKeen


Archive | 2009

The Plasma Physics of Using Non-Specular Radar Meteor Echoes to Monitor Lower Thermosphere Wind Profiles

Meers Maxwell Oppenheim; Gabrielle Sugar; Elizabeth Bass; N. O. Slowey; Jorge L. Chau; Sigrid Close


Archive | 2004

Meteoroid Plasma Density and Mass Determination Using a New Spherical Scattering Method Applied to Head Echoes

Sigrid Close; Meers Maxwell Oppenheim; Dannie Durand


Archive | 2004

Modeling Large Radar Observations of Meteors

Lars P. Dyrud; Meers Maxwell Oppenheim; Sigrid Close; Licia Colette Ray; K. D. Denney


Archive | 2003

Non-specular meteor trail diagnostics

Lars P. Dyrud; Meers Maxwell Oppenheim; Sigrid Close; Licia Colette Ray; K. McMillion

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