What does SPN stand for?

Signal-Plus-Noise

This definition appears very rarely and is found in the following Acronym Finder categories:

Science, medicine, engineering, etc.

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Samples in periodicals archive:

He lays out the basic prediction problem for signal-plus-noise models, deriving the Gramm-Schmidt algorithm and Cholesky decomposition.

A Kalman filter primer

1328-35 APPENDIX: Methodology To account for the special properties of the CPS series, a signal-plus-noise model is developed that combines a time-series model of the "true" values and its unobserved components (trend, seasonal, and irregular) with a model of the sampling errors.

Model-based seasonally adjusted estimates and sampling error: ...

While not reliable enough to use directly, the monthly CPS values are integral to the signal-plus-noise estimation.

Improving estimation and benchmarking of State labor force statistics