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Soft dB OBSI Software User Guide User Manual

Page 20

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16

Each graph can display up to 4 plots which can be of two different types, intensity and pressure or

coherence and PI index for example. The available data are:

Intensity (dB, dBA, W/m² or W/m²(A)) – (Instantaneous or Time averaged)

Leading edge probe

Trailing edge probe

Average leading edge / trailing edge

Pressure (dB, dBA, Pa²(rms²) or Pa²(rms²)(A)) – (Instantaneous or Time averaged)

Leading edge probe (mic A)

Leading edge probe (mic B)

Leading edge probe (average mic A / mic B)

Trailing edge probe (mic A)

Trailing edge probe (mic B)

Trailing edge probe (average mic A / mic B)

Average leading edge / trailing edge

PI Index (dB, or linear) – (Instantaneous or Time averaged)

Leading edge probe

Trailing edge probe

Coherence (dB, or linear) – (Instantaneous or Time averaged)

Leading edge probe

Trailing edge probe

Speed (m/s, km/h, mile/h or ft/s) – (Instantaneous or Time averaged)

Distance (m, km, mile or ft) – (Instantaneous or Time averaged)

Several presets are available from the top radio buttons:

Intensity,

Pressure,

PI Index,

Coherence,

PI Index/ Coherence,

Speed,

Distance.