Impedance Tube Schematics for Measurement of Transmission Loss - PowerPoint PPT Presentation
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Impedance Tube Schematics for Measurement of Transmission Loss
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Impedance Tube Schematics for Measurement of Transmission Loss. CALIBRATION. MEASUREMENT ... Impedance Tube Schematic. for Measurement of Absorption Coefficient ... – PowerPoint PPT presentation
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Title: Impedance Tube Schematics for Measurement of Transmission Loss
1
Impedance Tube Schematics for Measurement of
Transmission Loss
Mic 3 Mic 4
Mic 1 Mic 2
Small Tube dL 2cm D 2.9 cm Large Tube dL
5cm D 10 cm
D
SETUP
Sample or Muffler
Speaker
dL
L
dL
Mic1-gtChannel 1 on DAQ Mic2-gtChannel 2 on
DAQ Mic3-gtChannel 3 on DAQ Mic4-gtChannel 4 on DAQ
CALIBRATION
MEASUREMENT
2
Impedance Tube Schematic for Measurement of
Absorption Coefficient
Mic1-gtChannel 1 on DAQ Mic2-gtChannel 2 on DAQ
CALIBRATION
Small Tube dL 2cm D 2.9 cm
Large Tube dL 5cm or 10cm D 10 cm
MEASUREMENT
