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Parameters of AWGN Channel Simulink block.

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nt_ba
nt_ba 2020-12-8
I have some questions regarding the "AWGN Channel" block of simulink.
1) For the mode "Signal to noise ratio" how is the "Input to signal power, referenced to 1 ohm (watts)" is defined? Should i change its value from the default 1?
2) I need to add WGN of lets say SNR 5 dB noise (with noise_std about 0.01) to a constant value, e.g. 1. How is this possible?
Thanks

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