Why the received SNR increases with bandwidth?

1. How does bandwidth affect SNR?
2. What is the relationship of bandwidth and signal-to-noise ratio of an information?
3. Does increasing bandwidth increase sound?
4. What affects SNR?

How does bandwidth affect SNR?

Increasing the bandwidth will reduce the SNR. Increasing the averages is the most appropriate technique to increase SNR. For example, take a T1 TSE sequence with a bandwidth of 100, averages 2 and a relative SNR of 100%. Increasing the bandwidth from 100 to 250 will reduce the SNR to 74% of the original SNR.

What is the relationship of bandwidth and signal-to-noise ratio of an information?

Technically they are unrelated. The total,power in a signal is a fixed quantity, and it occupies a fixed spectrum - aka the signal bandwidth. Noise occupies a very wide bandwidth and the total noise power is usually directly proportional to the bandwidth of interest. That is why it is measured in Watts per hz.

Does increasing bandwidth increase sound?

As bandwidth increases, so does channel noise.

Having an intimate understanding of the interplay between bandwidth, receiver sensitivity and thermal noise will make spectrum users more efficient, effective and considerate.

What affects SNR?

The SNR is affected by such factors as the volume of the voxel, the bandwidth, and the number of signal averages (NSA).