Gain

Understanding Matlab's Automatic Gain Control function

Understanding Matlab's Automatic Gain Control function
  1. How does Automatic Gain Control work?
  2. What's the disadvantage of AGC function?
  3. What is the function of gain in Matlab?
  4. What does AGC mean?

How does Automatic Gain Control work?

AGC is a system that controls the increase in the amplitude of an electrical signal from the original input to the amplified output, automatically. AGC is used in data processing to improve the visibility of seismic data in which attenuation or spherical divergence has caused amplitude decay (Figure 5.3).

What's the disadvantage of AGC function?

The disadvantage of running AGC is that you'll miss higher end frequencies. These are especially crucial running sound analytics. Whether to use AGC or not depends on what types of sounds you're trying to pick up.

What is the function of gain in Matlab?

The Gain block multiplies the input by a constant value (gain). The input and the gain can each be a scalar, vector, or matrix. You specify the value of gain in the Gain parameter. The Multiplication parameter lets you specify element-wise or matrix multiplication.

What does AGC mean?

A finding of abnormal cells in a Pap test. The glandular cells come from the inner part of the cervix or the lining of the uterus. This finding may be a sign of cancer or other serious condition, and more testing may be needed. Also called atypical glandular cells.

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