Search for dissertations about: "bioacoustic"

Found 3 swedish dissertations containing the word bioacoustic.

2. 1. Bioacoustic principles used in monitoring and diagnostic applications

   Author : Peter Hult; Bertil Hök; Linköpings universitet; []
   Keywords : MEDICINE; MEDICIN;

   Abstract : The idea behind this work is linked to the experience gained from the long use of the stethoscope, and to the fact that sound originating from the body is a mechanical fingerprint, reflecting the human body functions.The aims of this thesis have been to develop bioacoustic systems using modern medical signal processing in three applications. READ MORE

4. 2. Multi-Channel Acquisition and Visualization of the Dolphin Echolocation Beam – Instrumentation Design and Bioacoustic Results

   Author : Josefin Starkhammar; Avdelningen för Biomedicinsk teknik; []
   Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

   Abstract : Toothed whales (Odontocetes) use echolocation to navigate and find food in dark or murky waters. A wide range of innovative studies has since the 1960:s been used to characterize their echolocation beam and map out their echolocation skills. READ MORE

5. 3. Processing of the Phonocardiographic Signal : methods for the intelligent stethoscope

   Author : Christer Ahlström; Per Ask; Leif Sörnmo; Linköpings universitet; []
   Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Bioacoustics; phonocardiographic; signal processing; heart sound; lung sound; nonlinear dynamics; Medical technology; Medicinsk teknik;

   Abstract : Phonocardiographic signals contain bioacoustic information reflecting the operation of the heart. Normally there are two heart sounds, and additional sounds indicate disease. If a third heart sound is present it could be a sign of heart failure whereas a murmur indicates defective valves or an orifice in the septal wall. READ MORE