Knock sensor spectrum?

[FONTANA PASQUALE]

Hello Walter 

You can have more informations about this problem by  the application note:

17. ENGINE KNOCK DETECTION USING TMS320C25 AND TMS320C30 DSPS
APPLICATION REPORT

     spra039.pdf (329 KBytes)
 
You must register as TI-ME and  after you can download this .

I hope is help you.

                
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Pasquale    *                 (nigth &day)    ( ' ' )
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>Can anyone tell me more about the frequency sprectrum from the knock sensor?
>
>How does it looks like?
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>Does it look so at every case of knocking? (high speed, bad fuel and so) or is
>it different? How different or what spectrum?
>
>How to interpret this signal? Frequency, intensity or what?
>
>Electronic work like filters?
>
>Many thanks
>Walter
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