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correlators - need to implement a correlator in the mcu

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bmwcoupe

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correlators

hello,
i have rf unit connected to DIGITAL MCU.
the rf tranceiver gives RX_DATA after fsk demodulation,
i need to implement a correlator in the mcu.

what does it mean to impelement a correlator ?
and what is a peak correlation ?
(i know what is cross/auto correlation)

i think i need to count errors in the preamble
and by that number of errors in the preamble decide if this
is usefull rx_Data?
and it is the peak correlation ?

thanks,
bmwman.
 

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