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Motion and Vibration Sensing with Frequency Modulated Continuous Wave Single Photon LIDAR
KTH, School of Engineering Sciences (SCI).
KTH, School of Engineering Sciences (SCI).
2024 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

In this report, remote sensing with Light Detection and Ranging (LIDAR) was demonstrated. In particular, a Frequency Modulated Continuous Wave (FMCW) LIDAR was used to reconstruct the motion of a moving target. Measurements were performed at the single photon level using a Superconducting Nanowire Single Photon Detector (SNSPD) and velocity and distance time series were reconstructed. The limitations of the technique were investigated by comparing three different targets. Furthermore, vibration sensing was performed where the vibrational modes were successfully reconstructed for a speaker. Additionally, multi-pitch decomposition was demonstrated and the Signal to Noise Ratio (SNR) - dependency on speaker frequency was studied.

Place, publisher, year, edition, pages
2024.
Series
TRITA-SCI-GRU ; 2024:179
Keywords [en]
LIDAR, FMCW, SNSPD, Vibration Sensing
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-349369OAI: oai:DiVA.org:kth-349369DiVA, id: diva2:1880374
Educational program
Master of Science in Engineering -Engineering Physics
Supervisors
Examiners
Available from: 2024-07-01 Created: 2024-07-01 Last updated: 2024-07-01Bibliographically approved

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CiteExportLink to record
Permanent link

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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf