In a communication system, what does 'signal-to-noise ratio' (SNR) measure?

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Question: In a communication system, what does \'signal-to-noise ratio\' (SNR) measure?

Options:

Correct Answer: The strength of the signal relative to background noise

Solution:

Signal-to-noise ratio (SNR) measures the strength of the signal relative to the background noise, indicating the quality of the communication.

In a communication system, what does 'signal-to-noise ratio' (SNR) measure?

In a communication system, what does 'signal-to-noise ratio' (SNR) measure?

Correct Answer: Signal-to-noise ratio (SNR) measures the strength of the signal relative to the background noise.

Step 1: Understand that a 'signal' is the information we want to send, like a voice or data.
Step 2: Recognize that 'noise' is any unwanted interference that can distort or hide the signal, like static on a phone call.
Step 3: Realize that 'signal-to-noise ratio' (SNR) compares the strength of the signal to the strength of the noise.
Step 4: Know that a higher SNR means the signal is much stronger than the noise, which usually means better quality communication.
Step 5: Conversely, a lower SNR means the noise is closer in strength to the signal, which can lead to poor communication quality.

Signal-to-Noise Ratio (SNR) – SNR measures the strength of the desired signal compared to the level of background noise, reflecting the clarity and quality of the communication.