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how to estimate the SNR

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lmjandy

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i have received the signals, but i don't know how to estimate the SNR

the signal is Quadrature Sampling ，and FSK modulation

who can help me
 

do FSK demodulation

take difference before and after demodulation

that will be ur approx noise

divide this with output of demodulated signal

this can be one way.
 

    L

    lmjandy

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do FSK demodulation will take the data

how to take difference

do i have to generate the FSK signals from the data

and then compare the signals with the received
 

See attached pdf file it will use full you


lmjandy said:
i have received the signals, but i don't know how to estimate the SNR

the signal is Quadrature Sampling ，and FSK modulation

who can help me
Click to expand...
 

    L

    lmjandy

    Points: 2
    Helpful Answer Positive Rating
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