piclist 1998\10\12\021053a >
Thread: how to filter surounding light
www.piclist.com/techref/logic/dsps.htm?key=filter
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face BY : tjaart@spam_OUTwasp.co.za



M van der Bilt wrote:

{Quote hidden}

A very effective way around this is to pulse your TX with a say, 25% duty
cycle, and to average the RX side. Use this averaged version to set the
gain and/or the threshold for the RX detect. This method is used in spread
spectrum receivers.

--
Friendly Regards

Tjaart van der Walt
EraseMEtjaartRemoveMEspam@spam@wasp.co.za

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