![Signal-to-noise ratio, explained by RP Photonics Encyclopedia; S/N ratio, shot noise, detection bandwidth, heterodyne detection, lock-in detection, balanced detection, upconversion, preamplifier Signal-to-noise ratio, explained by RP Photonics Encyclopedia; S/N ratio, shot noise, detection bandwidth, heterodyne detection, lock-in detection, balanced detection, upconversion, preamplifier](https://www.rp-photonics.com/img/snr2.png)
Signal-to-noise ratio, explained by RP Photonics Encyclopedia; S/N ratio, shot noise, detection bandwidth, heterodyne detection, lock-in detection, balanced detection, upconversion, preamplifier
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