Sökning: "spatial frequency"

Visar resultat 1 - 5 av 329 avhandlingar innehållade orden spatial frequency.

  1. 1. Multi-frequency SFDI : depth-resolved scattering models of wound healing

    Författare :Luigi Belcastro; Rolf Saager; Hanna Jonasson; Lise Lyngsnes Randeberg; Linköpings universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; SFDI; Light scattering; Wound healing;

    Sammanfattning : With optical techniques, we refer to a group of methods that use of light to perform measurements on matter. Spatial frequency domain imaging (SFDI) is an optical technique that operates in the spatial frequency domain. LÄS MER

  3. 2. Direct imaging of Stimulated Raman scattering : 3D spatial control and spatial generation

    Författare :Ronja Eriksson; Kerstin Ramser; Mikael Sjödahl; Luleå tekniska universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Experimental Mechanics; Experimentell mekanik;

    Sammanfattning : Stimulated Raman scattering (SRS) is a powerful imaging technique that has become popular during the last decades for its ability to image species specific in a sample with high accuracy. The purpose of this thesis is twofold. Firstly, to demonstrate 3D spatial control of where in the sample SRS is generated. LÄS MER

  4. 3. Spatial Vision in Bees : Behavioural investigation of spatial resolution and contrast sensitivity

    Författare :Aravin Chakravarthi; Funktionell zoologi; []
    Nyckelord :Insect vision; Honeybees; Bumblebees; Spatial resolution; Contrast sensitivity; Motion detection; Object discrimination;

    Sammanfattning : Bees use multiple sensory modalities to perform day-to-day tasks. Light allows them to perceive objects and the general features of their surroundings, enabling them to find food and to navigate safely across the landscape. LÄS MER

  5. 4. Dynamics of ecological communities in variable environments : local and spatial processes

    Författare :Linda Kaneryd; Bo Ebenman; Peter Münger; Michael S. Fowler; Linköpings universitet; []
    Nyckelord :;

    Sammanfattning : The ecosystems of the world are currently facing a variety of anthropogenic perturbations, such as climate change, fragmentation and destruction of habitat, overexploitation of natural resources and invasions of alien species. How the ecosystems will be affected is not only dependent on the direct effects of the perturbations on individual species but also on the trophic structure and interaction patterns of the ecological community. LÄS MER

  7. 5. Swedish Dimensional Adjectives

    Författare :Anna Vogel; Staffan Hellberg; Lena Ekberg; Stockholms universitet; []
    Nyckelord :HUMANIORA; HUMANITIES; dimensional adjectives; semantics; cognitive linguistics; Swedish; spatial; antonymy; prototype theory; polysemy; corpus-based; elicitation test; Languages and linguistics; Språkvetenskap;

    Sammanfattning : The purpose of this study is to give a thorough and detailed account and analysis of the semantics of twelve Swedish dimensional adjectives: hög ’high/tall’, låg ’low’, bred ’broad/wide’, smal ’narrow’ vid ’broad’, trång ’narrow’, tjock ’thick’, tunn ’thin’, djup ’deep’, grund ’narrow’, lång ’long’ and kort ’short’. Focus has been placed on their spatial, non-metaphorical sense. LÄS MER