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Threshold

5、 Threshold Definition Threshold is the minimum signal level required for an acoustic emission system to detect and record a hit. Explanation It is used to filter out background noise and ensure that only meaningful acoustic emission signals are ca

Amplitude

6、 Amplitude Definition Amplitude is the peak voltage of an acoustic emission signal, usually expressed in decibels (dB AE). Explanation It reflects the strength of the detected signal and is influenced by both source intensity and wave attenuation.

Counts

7、 Counts Definition Counts are the number of times an acoustic emission signal crosses the threshold during a hit. Explanation They indicate signal activity and waveform complexity, often used for monitoring emission intensity. Key Notes Reflects s

Energy

8、 AE Energy Definition AE energy is a measure of the signal strength over time, representing the total energy of an acoustic emission signal. Explanation It is commonly calculated from the signal envelope and used to assess the severity of damage p

AE Hit

4、 AE Hit Definition An AE hit is a signal recorded by a sensor when the waveform exceeds a predefined threshold. Explanation Each hit contains measurable parameters such as amplitude, counts, duration, and energy, forming the basis of AE data analy

Acoustic Emission Testing

Acoustic emission testing uses sound waves to detect and locate cracks, flaws, corrosion, and other defects in structures and materials.

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