[time-nuts] Loran-C

Poul-Henning Kamp phk at phk.freebsd.dk
Mon Jun 4 04:59:24 EDT 2007


In message <5A87D544-4CBC-4AC9-BE2D-A1C95505DB7E at femto-st.fr>, Enrico Rubiola w
rites:

>It has been demonstrated that in the case of detecting the
>zero crossings in highly polluted signals, if the hard limiter
>is used instead of the full resolution of an ideal ADC (infinite
>number of bits), the SNR is made worse by less than 2 dB.

For moderately strong signals: yes.

For weak signals: no.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
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Never attribute to malice what can adequately be explained by incompetence.



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