Sub-Quantum Accuracy Of An Infra-Red Data-Gathering Sensor By Frame Integration

Denis Rozenbaum

doi:10.1117/12.951067

5 July 1989 Sub-Quantum Accuracy Of An Infra-Red Data-Gathering Sensor By Frame Integration

Denis Rozenbaum

Proceedings Volume 1038, 6th Mtg in Israel on Optical Engineering; (1989) https://doi.org/10.1117/12.951067
Event: Sixth Meeting of Optical Engineering in Israel, 1988, Tel Aviv, Israel

Abstract

Successive digitized measurements of constant data fluctuate over several quantum cells because of the presence of additive noise. This dispersion allows the achievement of a subquantum accuracy by signal averaging of a large number of measurements. This processing is of particular interest for infra-red signals, characterized by a wide dynamic range. This work analyses the relation between the expectation of the digital measurement and the expectation of the real (analog) value, as a function of the statistical characteristics of the noise in the signal. It is shown that sub-quantum precision can be obtained under certain conditions. Practical considerations regarding the achievable accuracy, digitization depth, measuring the noise statistics and limits of the linear subquantum interpolation are given. A practical method for measuring noise in the signal is described.

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Denis Rozenbaum "Sub-Quantum Accuracy Of An Infra-Red Data-Gathering Sensor By Frame Integration", Proc. SPIE 1038, 6th Mtg in Israel on Optical Engineering, (5 July 1989); https://doi.org/10.1117/12.951067

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KEYWORDS

Quantization

Interference (communication)

Optical engineering

Data modeling

Binary data

Data integration

Quantum efficiency

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