A New Portable, PC Based, USB Powered Dynamic Signal Analyzer
Charles Birdsong, George Ma, James Nieters, Justin Tang, Caine Yu · SAE technical papers on CD-ROM/SAE technical paper series · 2001
A new USB powered portable 4-channel real time Dynamic Signal Analyzer and its automotive applications are described. The design and architecture lend themselves to realtime NVH measurements and analysis in the field, in-vehicle or on production lines. Built-in signal conditioning provides for direct sensor power while the embedded DSP provides for signal processing on-board. Performance and implementation of FFT, digital filters and order analyses are presented.