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Modulation Transfer Function Model of Scanning TDI Sensors with Oversampling-Superposition

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3 Author(s)
Xiaowei Shi ; School of Electronic and Information Engineering, Beihang University, 37 XueYuan Road, Beijing, 100083, China ; Xingwu Wu ; Xiaojian Xu

In this paper we develop a modulation transfer function (MTF) model of a scanning time-delay-integration (TDI) sensor with oversampling-superposition. Owing to the wide applications of TDI focal plane array (FPA) and oversampling-superposition technique in improving the signal-to-noise ratio (SNR), the current model provides theoretic foundation for researchers and engineers to evaluate the effect of the two above techniques on sensor s spatial resolution.

Published in:

Instrumentation and Measurement Technology Conference Proceedings, 2008. IMTC 2008. IEEE

Date of Conference:

12-15 May 2008