Sökning: "lidar"

Visar resultat 6 - 10 av 79 avhandlingar innehållade ordet lidar.

1. 6. Hur undervisning och guidade naturvetenskapliga undersökningar kan stödja elevers kreativitet

   Författare :Malin Jonsson; Leif Östman; Malena Lidar; Jesus Piqueras Blasco; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; naturvetenskaplig undervisning; fysikundervisning; naturvetenskapliga undersökningar; högstadiet no-undervisning; kreativitet; engagemang; PEA; didaktik explorativ studie; Curriculum Studies; Didaktik;

   Sammanfattning : The use of guided instructions are often debated in science education research, but nevertheless often used in lower secondary school. The aim of this licentiate thesis is to contribute to knowledge about science education in lower secondary school when pupils’ do lab work using guided instructions. LÄS MER

3. 7. Hänsyn till helheten : extrahering av en didaktisk modell för det komplexa innehållet i den naturorienterande undervisningen på lågstadiet

   Författare :Maria Weiland; Malena Lidar; Leif Östman; Klaar Susanne; Uppsala universitet; []
   Nyckelord :SAMHÄLLSVETENSKAP; SOCIAL SCIENCES; primary school; science education; classroom observation; didactical model;

   Sammanfattning : This study focuses on science education in primary school. The aim is to systematize and exemplify the content in primary science, not only scientific content but everything surrounding teaching in science, in the forms of a didactical model. The study was performed in grades 1-3 (ages 7-10) in a Swedish primary- and lower secondary school. LÄS MER

4. 8. Lidar Techniques for Environmental Monitoring

   Författare :Rasmus Grönlund; Atomfysik; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Atomic and molecular physics; remote laser-induced breakdown spectroscopy; laser-induced fluorescence; differential absorption lidar; fluorescence lidar; Atom- och molekylärfysik;

   Sammanfattning : Atoms and molecules absorb and emit light at certain, welldefined wavelengths, and this forms the basis of spectroscopy. The wavelengths are given by the discrete energy levels of the atoms/molecules. LÄS MER

5. 9. Environmental Monitoring by Multi-Spectral Lidar Techniques

   Författare :Petter Weibring; Atomfysik; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; non-linear optics; fluorescence spectroscopy; scattering; multi-spectral imaging; Atom- och molekylärfysik; atmospheric pollution; Atomic and molecular physics; laser; remote sensing; lidar; DIAL; Fysicumarkivet A:2002:Weibring;

   Sammanfattning : Multi-spectral lidar (light detection and ranging) techniques have been developed and employed in various environmental studies, ranging from concentration mapping of volcanic emissions to fluorescence imaging of historical monuments. In both absorption measurements of gaseous species and fluorescence imaging of stones, multiple wavelength excitation and multiple wavelength detection have been applied. LÄS MER

7. 10. Local Polynomial Regression with Application on Lidar Measurements

   Författare :Torgny Lindström; Matematisk statistik; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Mathematics; Matematik; differential equations; Funktioner; differentialekvationer; variance-function estimation.; spatial dependence; nonparametric; local polynomial regression; local bandwidth selection; lidar; heteroscedasticity; Bivariate estimation; differential absorption; Functions;

   Sammanfattning : This thesis deals with the problem of estimating a function or one of its derivatives from a set of measurements, mainly of a bivariate or spatial nature which is so common in environmental applications. In this work particular attention has been on the lidar (light detection and ranging) application which is a versatile technique for measurement of among other things atmospheric trace gases. LÄS MER