SIGNAL-NOISE RATIO Introduction
The English name of the signal-to-noise ratio is called SNR or S/N (SIGNAL-NOISE RATIO), which is also known as the signal-to-noise ratio. Refers to the ratio of signal to noise in an electronic device or electronic system. The signal here refers to an electronic signal from outside the device that needs to be processed by this device. Noise refers to an irregular extra signal (or information) that does not exist in the original signal generated after passing through the device, and the kind The signal does not change as the original signal changes.