Shock & Vibration

DSPCon’s shock and vibration software bundle provides an extensive solution for engineering personnel involved in structural shock and vibration (S & V) application modeling and prediction. Specifically designed to optimize test data for better analytical calculation and display for a variety of aerospace-related applications, DSPCon S & V software processors reflect over 20 years of refinement and leadership in digital signal processing software and incorporate classical algorithms with advanced post processing capabilities to provide interactive and batch analysis of sine-sweep and shock tests.

The sine analyzer included in our shock and vibration software bundle processes CATS and DATX sine-test-data files to provide single- or two-channel spectral analysis based on peak response or a narrowband-tracking filter. The drive frequency is determined by a proprietary “COLA” analyzer. The tracking filter has very selective response and can have constant or proportional-to-frequency bandwidth. Results include sine magnitude and transfer-function magnitude and phase-in graphical and output-file forms.

The Shock SRS feature processes the data in CATS files to produce shock response spectra. It applies "time-series pre-conditioning" functions designed to compensate for errors and distortions induced in the data by measurement and data acquisition processes. These "pre-conditioning" functions entail zero offset and band-pass filtering.

Sine Analyzer Features:

• Proprietary reference-sine (COLA) analysis
• Linear or logarithmic spacing of frequency points
• Very steep/narrowband pass tracking filter
• Averaging of any number of channels
• Multiple channel-selection strategies
• Superimposition of limits on plots
• Manual- and auto-scaling of plots
• 600 channels/hour (typical) analysis/hardcopy speed
• A variety of output files
• Output file compatible with Overlay & Concatenation processors

Shock SRS Features

• SRS analysis algorithm: Smallwood
• Time series preconditioning/data normalization
• Available Q: arbitrary/continuous
• Analysis band spacing: 1/1, 1/3, 1/6, 1/12 (defaults to 1/6)
• Input time history size: arbitrary
• Graphical analysis period selection
• SRS results display
• Superposition of limits on plots
• Channel selection strategies
• Manual and auto scaling of plots
• Analysis/hardcopy speed: 600 channels/hour (typical)
• Output files:
  • CATS ASCII
  • SDRC Universal (Type 58)
  • Spreadsheet ASCII (.CSV)
  • Statistics

 

For additional information on our shock & vibration software, click on the links below,
Sine Analyzer
Shock Response Spectra Analyzer