 WaveExplorer™
is a data acquisition and analysis package which unleashes the full
potential of modal acoustic emission. The advanced functionality
and user-friendly interface of this modal AE software package makes is
easy
to use and the data analysis easy to understand. Additionally,
WaveExplorer™ can be used with the neural network-based waveform
sorting package WaveClass™ and theoretical waveform prediction
software WavePredictor™.
Data Acquisition
The
acquisition hardware is set up through the software. A/D board
digitization rates, record lengths, voltage range, pre-trigger, and
number of channels are software-programmable. For digitization of
parametric signals (load, pressure, temperature, etc.), the user
selects the appropriate settings.
Real-Time Analysis
During acquisition, the user can display any
number of data screens including:
- Raw RF signals
- FFTs
- Events vs. time
- Events vs. channel
- Parametrics
- Energy histogram
- Source location
The user can also select real-time digital
filters (NoiseChek™ and WaveChek™) to eliminate noise signals from the
data set.
Real-Time and Post-Test Nose Rejection
Digital
Wave has pioneered three new waveform analysis tools: NoiseChek™
removes extraneous noise events, WaveChek™ provides event selection
using energy and frequency, and WaveChek Direct™ extracts the direct
wave for more meaningful results.
Software features:
General
Windows 32-bit operation
Point-and-click zoom in active window
Add multiple cursors in active window
Cursor values displayed
Event selection control bar
Intuitive navigation of wavefile
Print active window
Store data in active window as text file
Acquisition
Test
setup stored for future use
Test notes saved with waveform file
Selectable waveform acquisition parameters
- sampling rate
- number of points
- pre-trigger points
- voltage range
- number of channels Up to 8 channels of
parametric data
- sampling rates from 0.0001 to 100 Hz
- user-specified input voltage range
Display
Waveform
windows
Events vs. time histograms
Events vs. channel histograms
Energy
vs. channel number histograms
1-D, 2-D, and 3-D event location plot
- user-specified material
- user-specified sensor location
- user-specified wave mode
- user-specified Time Of Flight (TOF) method
Real-Time Noise Rejection
EMI (Electromagnetic Interference) check
PTE (Pre-Trigger Energy) check
Signal saturation check
Total wave energy check
Energy of direct arrival check
Wave analysis monitor window (powerful tool to help users define noise
rejection parameters )
WaveClassâ„¢ neural network
Digital Signal Processing
Fast Fourier Transform (FFT)
Cross correlation
- auto-correlation
- Gaussian input
High-pass (HP) digital filters
Low-pass (LP) digital filters
Waveform smoothing instantaneous frequency
Wavelet transform
Theoretical Wave Calculations
Calculate bulk wave velocities
- extensional or flexural wave mode
- isotropic or anisotropic materials
- laminated plate theory applied to calculate
laminate properties from lamina properties and layup information
Calculate velocity profile for plate waves
- extensional or flexural wave mode
- isotropic or anisotropic materials
- laminated plate theory applied to calculate
laminate properties from lamina properties and layup information
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