PSN-L Email List Message

Subject: Signal To Noise Ratio of a Seismic Sensor
From: "Geoffrey" gmvoeth@...........
Date: Sat, 25 Mar 2006 02:25:33 -0700

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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