Forum Discussion

Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

Best demodulation method

Hi, I have to transmit data modulated with 250Hz carrier and bit time of 12ms (3 period of carrier). Obviously i need to demodulate that message on receiver side. The problem is that on the...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
10 years ago

--- Quote Start ---

As to noise @ specific frequency you need to explain that since random noise is everywhere so you need to tell what is nature of that noise or is it just interferer.

--- Quote End ---

Yes it is an interferer, "noise" is a wrong term.

Actually on channel where i have to transmit my 250Hz messagge 60 an 180Hz signals are just present.

The amplitude of 250Hz signal should be half or less of the 60 and 180Hz signals.

What about cdma or similiar?

Let me know.

Thanks.