Search for dissertations about: "FFT"

Showing result 1 - 5 of 32 swedish dissertations containing the word FFT.

  1. 1. Chemometric and signal processing methods for real time monitoring and modeling applications in the pulp and paper industry

    University dissertation from Stockholm : KTH

    Author : Anders Björk; KTH.; [2007]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Acoustic; Vibration; Multivariate; Chemometrics; PLS; OSC; PCA; FFT; Wavelets; WT-MRS; CWT-FLE; Pulp Quality; CSF; Brightness; Tensile Strength properties; Optical Properties; Measurement Technology; On-line; Non-invasive; Process Control; Process Analysis; Process Analytical Technology; PAT.; Akustik; Vibrationer; Multivariat; Kemometri; PLS; OSC; PCA; FFT; Wavelets; WT-MRS; CWT-FLE; Massakvalitet; CSF; Ljushet; Dragstyrkeegenskaper; Optiska egenskaper; Mätteknik; On-line; Icke berörande mätning; Processtyrning; Processanalys; Processanalytisk Teknologi; PAT.; NATURAL SCIENCES Chemistry Analytical chemistry; NATURVETENSKAP Kemi Analytisk kemi;

    Abstract : In the production of paper, the quality of the pulp is an important factor both for the productivity and for the final quality. Reliable real-time measurements of pulp quality are therefore needed. READ MORE

  2. 2. Algorithms for Molecular Dynamics Simulations

    University dissertation from Stockholm : Institutionen för fysikalisk kemi, oorganisk kemi och strukturkemi

    Author : Fredrik Hedman; Stockholms universitet.; [2006]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; molecular dynamics; MD; first principles molecular dynamics; quantum mechanics; liquid water; parallel algorithm; data parallel; MPI; Coulombic interaction; Ewald summation; nonuniform fast Fourier transform; FFT; FFTW; NFFT; ENUF; NATURAL SCIENCES Chemistry Physical chemistry; NATURVETENSKAP Kemi Fysikalisk kemi;

    Abstract : Methods for performing large-scale parallel Molecular Dynamics(MD) simulations are investigated. A perspective on the field of parallel MD simulations is given. Hardware and software aspects are characterized and the interplay between the two is briefly discussed. READ MORE

  3. 3. Design of Reconfigurable Hardware Architectures for Real-time Applications

    University dissertation from The Department of Electrical and Information Technology

    Author : Thomas Lenart; Lunds universitet.; Lund University.; [2008]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Stream Processing; Digital Holography; Reconfigurable Computing; Reconfigurable Architectures; Run-time Reconfiguration; Design Exploration; Hybrid floating-point; Data Scaling; FFT; ASIC;

    Abstract : This thesis discusses modeling and implementation of reconfigurable hardware architectures for real-time applications. The target application in this work is digital holographic imaging, where visible images are to be reconstructed based on holographic recordings. READ MORE

  4. 4. Studies on implementation of low power FFT processors

    University dissertation from Linköping : Linköpings universitet

    Author : Weidong Li; Linköpings universitet.; Linköpings universitet.; [2003]

    Abstract : In the last decade, the interest for high speed wireless and on cable communication has increased. Orthogonal Frequency Division Multiplexing (OFDM) is a strong candidates and has been suggested or standardized in those communication systems. READ MORE

  5. 5. Inverse Problems in Tomography and Fast Methods for Singular Convolutions

    University dissertation from Centre for Mathematical Sciences, Lund University

    Author : Fredrik Andersson; Lunds universitet.; Lund University.; [2005]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Mathematics; Matematik; Unequally spaced FFT; Integral transforms; Singular integrals; Lippmann?Schwinger equation; Helmholtz equation; Inverse problems; Fast Gauss transform; Fast summation; Convolution; Radon transform; Tomography;

    Abstract : Popular Abstract in Swedish I denna avhandling behandlas två delvis överlappande teman; inversa problem av tomografisk karaktär samt snabba och noggranna metoder för applicering av faltningsoperatorer. Inom det första temat så studeras det inversa problemet inom Dopplertomografi och för detta ändamål så introduceras Dopplermomenttransformen. READ MORE