Výsledky vyhledávání - "Kenneth H. Lau"

The New Millennium separated spacecraft interferometer

Autor: Michael Shao, Kenneth H. Lau, M. Mark Colavita

Publikováno v: Space technology and applications international forum (STAIF - 97).

Spaceborne optical interferometry has been identified as a critical technology for many of NASA’s 21st century science visions. Included in the visions are interferometers that can probe the origins of stars and galaxies, and can ultimately study E

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::92d963b6ef0c9e54e968dcc28981b5b1
https://doi.org/10.1063/1.51998

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Separated-spacecraft interferometer concept for the New Millennium Program

Autor: Kenneth H. Lau, M. Mark Colavita, Robert A. Laskin, Michael Shao, James P. McGuire, Gary H. Blackwood, Jeffrey W. Yu, Randall Bartman

Publikováno v: Space Telescopes and Instruments IV.

A separated spacecraft optical interferometer mission concept proposed for NASA's New Millennium Program is described. The interferometer instrument is distributed over three small spacecraft: two spacecraft serve as collectors, directing starlight t

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4026f9acd056bb3d41b8dd3fb52d59ae
https://doi.org/10.1117/12.255122

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An innovative deep space application of GPS technology for formation flying spacecraft

Autor: Bruce Haines, Kenneth H. Lau, Stephen M. Lichten, Lawrence Young

Publikováno v: Guidance, Navigation, and Control Conference.

This paper describes the Autonomous Formation Flying Sensor (AFF) concept for extremely precise autonomous relative position and attitude determination for formations of satellites or spacecraft where real-time or near-real-time knowledge of relative

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::00871d07a8ac9710cc083ce12a9a31f6
https://doi.org/10.2514/6.1996-3819

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Active figure maintenance control using an optical truss laser metrology system for a space-based far-IR segmented telescope

Autor: Kenneth H. Lau, William G. Breckenridge, Noble M. Nerheim, David C. Redding

Publikováno v: SPIE Proceedings.

A two-stage active control approach was developed addressing the figure control problem for a spaceborne FIR telescope, the Precision Segmented Reflectors Focus Moderate Mission Telescope (FMMT). The first active control stage aligns the optical segm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::81e29375eac79267f9c7a2ac916f2233
https://doi.org/10.1117/12.138159

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Segmented mirror figure control for a space-based far-IR astronomical telescope

Autor: Kenneth H. Lau, Bruce Martin Levine, Stuart B. Shaklan, David C. Redding, William G. Breckenridge, George E. Sevaston

Publikováno v: SPIE Proceedings.

For segmented large mirrors to be used effectively for astronomy they must be actively aligned and controlled to extreme levels of precision. We consider the figure control problem for a spaceborne far-IR telescope, the Precision Segmented Reflector

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::936ef6aa27ace11853fe443ddc40c55a
https://doi.org/10.1117/12.46600

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