Water/sediment interface monitoring system using frequency-molul

Details Water/sediment interface monitoring system using frequency-molul Water/sediment interface monitoring system using frequency-molul

1997-11-06

1998-08-04

Pihulic, Daniel T.

Communications, electrical: acoustic wave systems and devices

Testing, monitoring, or calibrating

367131, H04B 1700

Patent

active

057904715

ABSTRACT:
The water/sediment interface in a body of water near bridge piers and simr structures exposed to scour, is sensed and transformed by a frequency-modulated continuous wave method into an audio frequency signal that is related to the water/sediment interface elevation, which is transmitted by radio signal to a remote monitoring station. Radio signals received at the monitoring station are transmitted to a computer, which is programmed to compute the water/sediment interface elevation and to store such computed results for later use. A remote monitoring station may be equipped to monitor several water/sediment interface sensors.

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