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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 36 — Dec. 20, 2012
  • pp: 8825–8835

Signal-to-noise performance analysis of streak tube imaging lidar systems. I. Cascaded model

Hongru Yang, Lei Wu, Xiaopeng Wang, Chao Chen, Bing Yu, Bin Yang, Liang Yuan, Lipeng Wu, Zhanli Xue, Gaoping Li, and Baoning Wu  »View Author Affiliations


Applied Optics, Vol. 51, Issue 36, pp. 8825-8835 (2012)
http://dx.doi.org/10.1364/AO.51.008825


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Abstract

Streak tube imaging lidar (STIL) is an active imaging system using a pulsed laser transmitter and a streak tube receiver to produce 3D range and intensity imagery. The STIL has recently attracted a great deal of interest and attention due to its advantages of wide azimuth field-of-view, high range and angle resolution, and high frame rate. This work investigates the signal-to-noise performance of STIL systems. A theoretical model for characterizing the signal-to-noise performance of the STIL system with an internal or external intensified streak tube receiver is presented, based on the linear cascaded systems theory of signal and noise propagation. The STIL system is decomposed into a series of cascaded imaging chains whose signal and noise transfer properties are described by the general (or the spatial-frequency dependent) noise factors (NFs). Expressions for the general NFs of the cascaded chains (or the main components) in the STIL system are derived. The work presented here is useful for the design and evaluation of STIL systems.

© 2012 Optical Society of America

OCIS Codes
(030.4280) Coherence and statistical optics : Noise in imaging systems
(110.0110) Imaging systems : Imaging systems
(110.4280) Imaging systems : Noise in imaging systems
(280.3640) Remote sensing and sensors : Lidar

ToC Category:
Remote Sensing and Sensors

History
Original Manuscript: August 8, 2012
Manuscript Accepted: November 12, 2012
Published: December 20, 2012

Citation
Hongru Yang, Lei Wu, Xiaopeng Wang, Chao Chen, Bing Yu, Bin Yang, Liang Yuan, Lipeng Wu, Zhanli Xue, Gaoping Li, and Baoning Wu, "Signal-to-noise performance analysis of streak tube imaging lidar systems. I. Cascaded model," Appl. Opt. 51, 8825-8835 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-36-8825

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