Description: The signal-to-noise ratio (SNR) is a fundamental measure in information technology that quantifies the level of the desired signal compared to the background noise. In this context, the ‘signal’ refers to the information that is intended to be extracted or manipulated, while the ‘noise’ represents the interferences and disturbances that can distort or mask that information. A high signal-to-noise ratio indicates that the signal is clearly discernible against the noise, which is crucial for the effective operation of various systems, including communications and data processing. SNR is typically expressed in decibels (dB) and is a key indicator of the quality of devices and systems, such as sensors and communication channels. The ability to maintain a high SNR is essential for accuracy and reliability in data transmission and processing, as noise can lead to errors and reduced performance. Therefore, the signal-to-noise ratio is not only a technical concept but also has significant practical implications in the development and implementation of advanced technologies.