fatty-streak
发表于 2025-3-30 10:25:16
Counting statistics — variation of standard deviation with counting timeA A certain analysis line gave 800 c/s under certain instrumental conditions. Given that the standard deviation (σ) of a given number of counts (.) is equal to √., calculate the standard deviation expected in a counting time of 20 seconds.
头盔
发表于 2025-3-30 15:23:13
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LUDE
发表于 2025-3-30 18:02:29
R. Jenkins,J. L. de Vriestion in the time and STFT domains. In this chapter, we exploit the spatial information available from signals picked up by a determined number of microphones at different positions in the acoustics space in order to mitigate the noise effect. The processing is performed in the STFT domain.
Feature
发表于 2025-3-31 00:18:11
R. Jenkins,J. L. de Vries the procedure of Chap. ., by taking now into account the bounds of the internal voltage signals of the FPAA board. The implementation is based on a FPAA device produced by ANADIGM: the AN221E04 FPAA [.].
归功于
发表于 2025-3-31 03:13:06
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窗帘等
发表于 2025-3-31 05:52:42
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temperate
发表于 2025-3-31 11:13:19
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叙述
发表于 2025-3-31 14:04:18
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青春期
发表于 2025-3-31 18:01:32
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易怒
发表于 2025-4-1 01:40:45
Trace analysis — derivation of detection limit expressionn which defines the lower limit of detection in terms of the analysis time ., the background counting rate .. and the response . of an element given in c/s per%. Remember that trace analysis always requires two measurements, i.e. peak plus background.