Ultrasonic Sensing with the PGA460-Q1

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PGA460 ultrasonic sensing: EVM GUI data monitor

Description

March 3, 2017

This video provides a demonstration of ultrasonic echo data dump data and ultrasonic measurement results for the PGA460 Evaluation Module (EVM) using the GUI software. The ultrasonic activity can be depicted as an echo data dump plot and/or ultrasonic measurement results, which includes the distance, peak amplitude, and width of the returning echo. To maximize the scaling of the signal-to-noise ratio, optimizing the gain is necessary to set the threshold for reliable and repeatable results.

Agenda:

0:00-0:24    Data monitor run options

0:24-0:32    Ultrasonic echo display format

0:32-1:00     Echo data dump profile

1:00-1:30     Echo data dump returning echo profile

1:30-2:12     Digital gain multiplier on echo data dump

2:12-2:40     Digital gain multiplier optimization

2:40-3:47     List measurement results

3:47-4:28     Saturated return echo

4:28-6:45     Threshold optimization and result stabilization

6:45-7:35     Multiple object detection

Additional information

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