| Revision 367,
989 bytes
checked in by marcus, 12 years ago
(diff) |
|
r200 | klaus | 2011-04-07 15:07:06 +0200 (Do, 07 Apr 2011) | 1 line
SH help texts fro command stalta and leveldetec
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| 1 | command STALTA <trc> <sta-lth> <lta-lth> |
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| 2 | ============== |
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| 3 | |
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| 4 | key: apply STA/LTA algorithm |
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| 5 | |
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| 6 | Applies an STA/LTA detection algorithm to a specified trace. The |
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| 7 | short time window and long time window has to be specified |
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| 8 | in samples. A moving average over both windows (LTA before reference |
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| 9 | time, STA after reference time) is computed and the ratio STA/LTA |
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| 10 | is shown in a new trace. |
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| 11 | |
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| 12 | The result of the STA/LTA is displayed in new traces. The input |
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| 13 | trac remain unchanged. |
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| 14 | |
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| 15 | |
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| 16 | parameters |
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| 17 | |
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| 18 | <trc> --- parameter type: trace |
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| 19 | Input traces for STA/LTA operation. This trace remains unchanged. |
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| 20 | |
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| 21 | <sta-lth>, <lta-lth> --- parameter type: integer |
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| 22 | Time window for the short and long time window in samples. |
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| 23 | |
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| 24 | |
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| 25 | qualifiers |
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| 26 | |
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| 27 | /MAX=<maxval> |
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| 28 | The STA/LTA output trace is cut off at this amplitude value. Values |
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| 29 | larger than <maxval> are set to <maxval>. |
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| 30 | |
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| 31 | |
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| 32 | examples: |
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| 33 | |
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| 34 | STALTA 1 5 100 ! applies STA/LTA to trace one with STA length |
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| 35 | ! 5 samples and LTA length 100 samples |
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| 36 | |
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