Negative

Does baseband signal has negative frequency?

Does baseband signal has negative frequency?

A real signal, such as a baseband cosine, has both a positive and negative frequency component.

  1. Can a signal have negative frequency?
  2. What is the frequency of baseband?
  3. Why there is no negative frequency?
  4. What is positive and negative frequency?

Can a signal have negative frequency?

Real sinusoidal signals have only positive frequency. Negative frequency is an idea associated with complex exponentials.

What is the frequency of baseband?

Baseband refers to the original frequency range of a transmission signal before it is converted, or modulated, to a different frequency range. For example, an audio signal may have a baseband range from 20 to 20,000 hertz.

Why there is no negative frequency?

In the "real" world, you don't need negative frequencies (because, as mentioned before, a real signal always consists of equal parts at positive and negative frequencies, for example, the sine is a difference of two exponentials with a positive and a negative frequency with the same absolute value).

What is positive and negative frequency?

Simply put, negative frequencies represent forward traveling waves, while positive frequencies represent backward traveling waves. It's important to note that not all fields of science define wave propagation in the same sense. The most notable case is for physics.

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