Dr. Shinhak Lee Profile

Dr. Shinhak Lee

Staff Scientist at Aerospace Corp

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Publications (12)

Proceedings Article | 19 August 2008 Paper

Performance and characterization results of a lasercom testbed for the pointing, acquisition, and tracking subsystem of a satellite-to-satellite laser communications link

Jason Cardema, Jennifer Tanzillo, Shinhak Lee, Christopher Dunbar

Proceedings Volume 7091, 70910P (2008) https://doi.org/10.1117/12.797857

KEYWORDS: Mirrors, Sensors, Staring arrays, Satellites, Space operations, Error analysis, Cameras, Laser communications, Optical simulations, Software development

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Proceedings Article | 13 February 2008 Paper

Development of a lasercom testbed for the pointing, acquisition, and tracking subsystem of satellite-to-satellite laser communications link

Jennifer Tanzillo, Christopher Dunbar, Shinhak Lee

Proceedings Volume 6877, 687704 (2008) https://doi.org/10.1117/12.761794

KEYWORDS: Sensors, Mirrors, Acquisition tracking and pointing, Laser development, Laser communications, Error analysis, Satellites, Aerospace engineering, Optical simulations, Staring arrays

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Proceedings Article | 1 March 2006 Paper

Centroiding accuracy of infrared Earth images mitigating impact of blurring and Earth non-uniformity

Y. Chen, G. Ortiz, H. Hemmati, S. Lee

Proceedings Volume 6105, 61050E (2006) https://doi.org/10.1117/12.660269

KEYWORDS: Infrared imaging, Infrared telescopes, Thermography, Edge detection, Detection and tracking algorithms, Deconvolution, Infrared cameras, Telescopes, Space telescopes, Infrared radiation

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Proceedings Article | 1 March 2006 Paper

Star tracker based ATP system conceptual design and pointing accuracy estimation

Gerardo Ortiz, Shinhak Lee

Proceedings Volume 6105, 61050D (2006) https://doi.org/10.1117/12.660263

KEYWORDS: Stars, Optical tracking, Gyroscopes, Telescopes, Telecommunications, Optical communications, Space telescopes, Sensors, Error analysis, Space operations

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Proceedings Article | 18 April 2005 Paper

Approach for acquiring and tracking downlink from Mars using the Hale telescope

Abhijit Biswas, Sabino Piazzolla, K. Quirk, Gerardo Ortiz, Shinhak Lee, Meera Srinivasan, Chien Chung Chen

Proceedings Volume 5712, (2005) https://doi.org/10.1117/12.600833

KEYWORDS: Mars, Telescopes, Sensors, Space telescopes, Staring arrays, Signal detection, Signal processing, Line of sight stabilization, Optical filters, Space operations

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Proceedings Article | 18 April 2005 Paper

Pointing knowledge accuracy of the star tracker based ATP system

Shinhak Lee, Gerardo Ortiz, James Alexander

Proceedings Volume 5712, (2005) https://doi.org/10.1117/12.612037

KEYWORDS: Stars, Gyroscopes, Sensors, Optical communications, Acquisition tracking and pointing, Optical tracking, Astronomical imaging, Space operations, Error analysis, Data communications

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Proceedings Article | 3 July 2003 Paper

Atmosphere-tolerant acquisition, tracking, and pointing subsystem

Shinhak Lee, Gerardo Ortiz

Proceedings Volume 4975, (2003) https://doi.org/10.1117/12.478940

KEYWORDS: Sensors, Optical communications, Error analysis, Atmospheric optics, Staring arrays, Data communications, Acquisition tracking and pointing, Telecommunications, Optical tracking, Atmospheric sensing

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Proceedings Article | 3 July 2003 Paper

Design and development of a robust ATP subsystem for the Altair UAV-to-ground lasercomm 2.5-Gbps demonstration

Gerardo Ortiz, Shinhak Lee, Steve Monacos, Malcolm Wright, Abhijit Biswas

Proceedings Volume 4975, (2003) https://doi.org/10.1117/12.478939

KEYWORDS: Unmanned aerial vehicles, Acquisition tracking and pointing, Cameras, Sensors, Optical communications, Telescopes, Staring arrays, Optical coherence tomography, Error analysis, Receivers

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Proceedings Article | 26 April 2002 Paper

Pointing accuracy improvement using model-based noise reduction method

Shinhak Lee

Proceedings Volume 4635, (2002) https://doi.org/10.1117/12.464110

KEYWORDS: Model-based design, Signal to noise ratio, Interference (communication), Charge-coupled devices, Denoising, Data modeling, Stray light, Stars, Image processing, Point spread functions

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Proceedings Article | 20 June 2001 Paper

Submicroradian pointing system design for deep-space optical communications

Shinhak Lee, James Alexander, Gerry Ortiz

Proceedings Volume 4272, (2001) https://doi.org/10.1117/12.430794

KEYWORDS: Optical communications, Staring arrays, Sensors, Error analysis, Telecommunications, Optical design, Space operations, Mirrors, Algorithm development, Astronomical imaging

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Proceedings Article | 20 June 2001 Paper

Functional demonstration of accelerometer-assisted beacon tracking

Gerry Ortiz, Angel Portillo, Shinhak Lee, Juan Ceniceros

Proceedings Volume 4272, (2001) https://doi.org/10.1117/12.430795

KEYWORDS: Sensors, Optical tracking, Space operations, Algorithm development, Vibration simulation, Detection and tracking algorithms, Acquisition tracking and pointing, Error analysis, Staring arrays, Stars

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Proceedings Article | 2 May 2000 Paper

Pointing and tracking subsystem design for optical communications link between the International Space Station and ground

Shinhak Lee, James Alexander, Muthu Jeganathan

Proceedings Volume 3932, (2000) https://doi.org/10.1117/12.384306

KEYWORDS: Staring arrays, Data modeling, Optical tracking, Optical communications, Sensors, Mirrors, Control systems, Quantization, Error analysis, Receivers

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Showing 5 of 12 publications

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