Technical Overview and Functional Analysis of "WFMReader"
The processed waveform is exported as pulse_analysis.csv and opened in Excel for report generation.
WFMReader serves a critical niche for engineers, educators, and technicians who need to extract meaningful measurements from proprietary oscilloscope waveform files without relying on expensive vendor software. By providing decoding, visualization, and standard export formats, it transforms opaque binary data into actionable insights. WFMReader
| Feature | Description | |---------|-------------| | | Open single or multiple .wfm, .isf, .trc, .bin files | | Metadata Extraction | Display acquisition settings (sample interval, vertical gain, offset) | | Waveform Rendering | Plot time vs. voltage with auto-scaling and zoom | | Cursor Measurements | Manual or automatic delta-time, delta-voltage, frequency | | Data Export | Save to CSV, TXT, MAT (MATLAB), or NPY (NumPy) | | Math Functions | FFT, integration, differentiation, addition/subtraction of channels | | Batch Processing | Convert hundreds of WFM files to CSV in one operation |
WFMReader typically offers the following capabilities: | Feature | Description | |---------|-------------| | |
The primary purpose of WFMReader is to bridge the gap between proprietary instrument data and standard personal computer analysis tools (e.g., MATLAB, Python, or Excel). This report outlines the file format, core features, typical workflow, and applications of WFMReader.
| Tool | Platform | Strengths | |------|----------|------------| | | Windows | Official, supports live instrument control | | Sigrok + PulseView | Windows/Linux/Mac | Open source, handles many binary formats | | Python (numpy + scipy) | Cross-platform | Custom scripting, free, maximum flexibility | | MATLAB wfminfo() | Cross-platform | Built-in oscilloscope data loading toolboxes | and applications of WFMReader.
A user captures a waveform on a Tektronix MDO3000 series oscilloscope and saves it to a USB drive as waveform.wfm .