An acoustic emissions monitoring system for avalanche snowpacks

An acoustic emissions monitoring system for avalanche snowpacks

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Forest Service. Junction box IIOvAC Avalanche free area Figure 1. a€” Block diagram showing location of components and route ... Thirty m of shielded cable supplied the pre-amplifier with Ap15 V from a power supply located in a junction box, and the signal return to the junction box. ... 3300A function generator across the input end of the 100-ft shielded cable while varying the frequency of the input signal.


Title:An acoustic emissions monitoring system for avalanche snowpacks
Author: Donald McNair, Frank Wolfe, Rocky Mountain Forest and Range Experiment Station (Fort Collins, Colo.), United States. Forest Service
Publisher: - 1977
ISBN-13:

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