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| When using a '''pre-computed waterfall''' (.res), the STFT windows are fixed in time. At sweep rates above ~50 RPM/s and for orders higher than 5×, some amplitude underestimation and peak broadening may occur. For resonance location (critical speed identification), this is generally acceptable. For amplitude-critical measurements (API acceptance tests, ISO compliance), prefer raw signals with a tacho. | | When using a '''pre-computed waterfall''' (.res), the STFT windows are fixed in time. At sweep rates above ~50 RPM/s and for orders higher than 5×, some amplitude underestimation and peak broadening may occur. For resonance location (critical speed identification), this is generally acceptable. For amplitude-critical measurements (API acceptance tests, ISO compliance), prefer raw signals with a tacho. |
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| ----
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| == Technical Reference ==
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| === Supported NVGate file types ===
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| {|class="wikitable"
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| |-
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| !File!!Description
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| |-
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| |<code>.orm</code>||JSON metadata for one recorded channel (sampling rate, unit, name…)
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| |-
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| |<code>.ors</code>||Raw float32 little-endian samples in SI units
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| |-
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| |<code>Result.res</code>||Pre-computed NVGate results (waterfall, spectra…) — read via the OROS orostk library
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| |}
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|
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| === Keyboard shortcuts ===
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| {|class="wikitable"
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| |-
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| !Key!!Action
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| |-
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| |Mouse move||Update cursor (RPM, freq, amplitude)
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| |-
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| |Right-click on plot||Add resonance marker at cursor frequency
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| |-
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| |Scrollbar (right panel)||Access all display settings when in full-screen mode
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| |}
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|
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| === System requirements ===
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|
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| {|class="wikitable"
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| |-
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| !||Minimum!!Recommended
| |
| |-
| |
| |OS||Windows 10||Windows 10/11 64-bit
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| |-
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| |RAM||2 GB||4 GB
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| |-
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| |Disk||600 MB free||1 GB free
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| |-
| |
| |Display||1280 × 720||1920 × 1080 or dual monitor
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| |}
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| ---- | | ---- |