Search for dissertations about: "magnus sandell"
Found 4 swedish dissertations containing the words magnus sandell.
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1. Spatial decomposition of ultrasonic echoes
Abstract : The pulse-echo method is one of the most important in ultrasonic imaging. In many areas, including medical applications and nondestructive evaluation, it constitutes one of the fundamental principles for aquiring information about the examined object. READ MORE
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2. Design and analysis of estimators for multicarrier modulation and ultrasonic imaging
Abstract : This thesis deals with two areas: multicarrier modulation and ultrasonic imaging. Although different in application, these fields have a lot in common. For instance, synchronization and channel estimation in communication systems correspond to time-delay estimation and system identification in ultrasonic imaging. READ MORE
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3. Ultrasound Communication through Thin Plates: Understanding the Channel
Abstract : Ultrasound, composed of sound waves with frequencies above the human audible range, has become widely used in various technological fields for digital communications. In the past, acoustic and ultrasonic waves were employed in military and commercial un-derwater wireless communication systems due to their superior performance compared to electromagnetic waves. READ MORE
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4. Blind Enhancement of Harmonically Related Signals by Maximizing Skewness
Abstract : Rolling element bearings are used in rotating machinery in various industry branches. Their health status must be monitored continuously in order to establish proper operational conditions in a production process. READ MORE