PSN-L Email List Message
Subject: Re: Signal To Noise Ratio of a Seismic Sensor
From: ian ian@...........
Date: Sat, 25 Mar 2006 11:54:14 +0000
just to clarify what I said about magnets, I've drawn a simple sketch:
Hope that helps
> Hello PSN:
> Can someone out there run down a list of
> best ways to increase the signal to noise
> ratio of a seismic sensor ?
> Things like:
> 1. in a mass spring system use a larger mass
> 2. use a phased array
> 3. use low resistance's in the circuitry
> 4. use a narrow bandwidth
> 5. use a high Q
> 6. shield everything against anything not a seismic signal.
> 7. a high signal to noise ratio is not possible for the average
> amateur due to cost
> it might take a bunch of amatures to pool their monies and talents to
> create a decent seismic sensor, possibly such a thing is only possible
> at a university where both money and talent exists.
> Does any know of a system out there with the
> highest signal to noise ratio...if so can we see it ?
> More then likely it is in military hands
> and is secret ?
> In all the discussions I have seen in this group
> none seem to concentrate on signal to noise ratio.
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