Search for dissertations about: "adaptive signal processing"

Showing result 16 - 20 of 115 swedish dissertations containing the words adaptive signal processing.

  1. 16. On System Identification and Acoustic Echo Cancellation

    University dissertation from Uppsala : Acta Universitatis Upsaliensis

    Author : Per Åhgren; Peter Stoica; Peter Händel; [2004]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; acoustic echo cancellation; stereophonic acoustic echo cancellation; doubletalk detection; adaptive beamforming; adaptive filtering; system identification; recursive system identification; loudspeaker impulse response estimation; TECHNOLOGY Information technology Signal processing; TEKNIKVETENSKAP Informationsteknik Signalbehandling;

    Abstract : The topic of acoustic echo cancellation has received a lot of interest over the years. Even though the topic is relatively old, the increasing demand for hands-free telephony has made it more important than ever before. READ MORE

  2. 17. Signal Processing as a Tool to Enhance Productivity in Industry Measurement and Cancelation of Periodic Signals

    University dissertation from Karlskrona : Blekinge Institute of Technology

    Author : Sven Olsson; ; [2006]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Order analysis; Multi-plane shaft balancing; Time-window modification; Active vibration control; Adaptive vibration control;

    Abstract : Preface This licentiate thesis summarizes my work within the field of Signal Processing during my time in Signal Control Sweden AB from 1987 to 2002. The work has been performed in close co-operation the customers like Volvo Personvagnar AB, Sveriges Provnings- och forskningsinstitut and others. READ MORE

  3. 18. Signal Enhancement in Wireless Communications Systems

    University dissertation from Ronneby : Blekinge Institute of Technology

    Author : Jörgen Nordberg; ; [2002]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Channel equlization; Multirate Equalization; Signal Separation; Beamforming; Sptial Equalization;

    Abstract : Digital Wireless communications has been one of the fastest growing communication techniques during the last decade. Today there exists several different communication systems that use wireless techniques. They share one common property that they transmit data through a radio interface. READ MORE

  4. 19. Salient Region Detection Methods with Application to Traffic Sign Recognition from Street View Images

    University dissertation from Gothenburg : Chalmers tekniska högskola

    Author : Keren Fu; [2016]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; normalized cut; traffic sign recognition; saliency propagation; color distribution; continuous conditional random field; manifold; Salient region detection; adaptive graph edge weights; color contrast; geodesics;

    Abstract : In the computer vision community, saliency detection refers to modeling the selective mechanism in human visual attentions. Outputs of saliency detection algorithms are called saliency maps, which represent conspicuousness levels of different scene areas. READ MORE

  5. 20. Ultrawideband-Ultrawidebeam Synthetic Aperture Radar – Signal Processing and Applications

    University dissertation from Karlskrona : Blekinge Institute of Technology

    Author : Viet Thuy Vu; ; [2011]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY;

    Abstract : This dissertation presents practical issues in Ultrawideband – Ultrawidebeam (UWB) Synthetic Aperture Radar (SAR) signal processing and crucial applications developed on UWB SAR. In the context of this dissertation, UWB SAR refers to the SAR systems utilizing large fractional bandwidth signals and synthesizing long apertures associated with wide antenna beamwidths. READ MORE