infrasound_monitor_program_files.zip

Raspberry Pi Infrasound Monitor -- program files and installation instructions -- updated 1-June-2023

Zip Archive - 321.96 kB - 06/01/2023 at 18:21

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InfrasoundMonitorPresentation.pdf

An overview of the system

Adobe Portable Document Format - 6.69 MB - 05/19/2020 at 13:18

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spiralfoam.jpg

Comparing two windfilters, foam block and porous hose.

JPEG Image - 287.61 kB - 04/26/2020 at 12:45

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ConstructingInfrasoundMonitor.pdf

Full construction details

Adobe Portable Document Format - 6.30 MB - 04/20/2020 at 15:38

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seamerFourier.png

Signal from near wind turbine showing fundamental frequency (0.7Hz) and harmonics.

Portable Network Graphics (PNG) - 69.95 kB - 10/20/2019 at 10:25

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sabic2.png

4 day plot of acoustic power (0.05-2Hz). Region between red and blue vertical lines is signal due to a chemical plant 'flaring' approx 10km away.

Portable Network Graphics (PNG) - 114.97 kB - 10/20/2019 at 10:16

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wavelet_transform_2018-07-27.png

Continuous wavelet transform of a reading.

Portable Network Graphics (PNG) - 100.79 kB - 10/20/2019 at 10:11

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porous_hose_seamer_sml.jpg

Use of porous garden hose as wind filter outdoors

JPEG Image - 72.51 kB - 10/20/2019 at 10:11

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infraproto1.png

Initial sensor casing - aluminium case at bottom is a pneumatic filter to eliminate pressure variation with a period above ~100s

Portable Network Graphics (PNG) - 223.83 kB - 10/20/2019 at 10:11

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DSCF9736b.jpg

JPEG Image - 141.38 kB - 10/20/2019 at 10:08

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