Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2019 Oct 17;10(11):5755–5775. doi: 10.1364/BOE.10.005755

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

PMC Copyright notice

Fig. 6. — Theoretical improvement of the signal-to-noise ratio SNR^′ after noise bias correction plotted on (a) linear scales and (b) log scales. A $\sqrt{N}$ - and N-fold improvement of the SNR^′ of a single signal can be observed for magnitude and complex averaging, respectively. Note that, unlike for the noise-afflicted SNR calculations in Figs. 3 through 5, neither of the averaging approaches depend on the input signal strength.