Search for dissertations about: "clustered sources."

Showing result 6 - 8 of 8 swedish dissertations containing the words clustered sources..

2. 6. Perks and considerations when targeting functional non-coding regions with CRISPR/Cas9

   Author : Keyi Geng; Karolinska Institutet; Karolinska Institutet; []
   Keywords : ;

   Abstract : Since the CRISPR system was discovered as an adaptive immune response in prokaryotic cells, the past decade has witnessed the engineering and deployment of CRISPR/Cas9 as one of the most efficient and powerful molecular tools. By leveraging the nuclease activity of CRISPR/Cas9, researchers are able to probe the biological functions of genetic elements and dissect molecular interactions by disrupting, activating or inactivating genes. READ MORE

4. 7. Group-Sparse Regression : With Applications in Spectral Analysis and Audio Signal Processing

   Author : Ted Kronvall; Statistical Signal Processing Group; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; sparse regression; group-sparsity; statistical modeling; regularization; hyperparameter-selection; spectral analysis; audio signal processing; classification; localization; multi-pitch estimation; chroma; convex optimization; ADMM; cyclic coordinate descent; proximal gradient;

   Abstract : This doctorate thesis focuses on sparse regression, a statistical modeling tool for selecting valuable predictors in underdetermined linear models. By imposing different constraints on the structure of the variable vector in the regression problem, one obtains estimates which have sparse supports, i.e. READ MORE

5. 8. Parameters optimization of oil well drilling operation

   Author : Ali Darwesh; Thorkild Maack Rasmussen; Nadhir Al-Ansari; Daniel Ask; Bernt Sigve Aadnøy; Luleå tekniska universitet; []
   Keywords : NATURVETENSKAP; NATURAL SCIENCES; Bazian Block; Kurdistan; Iraq; Optimization; Drilling Parameters; Rate of Penetration; Wiper trips; Kicks; Pay zone; Bourgoyne and Young model; Exploration Geophysics; Prospekteringsgeofysik;

   Abstract : In the beginning of 2005, the ministry of natural resources in the Kurdistan region of Iraq dividedits territory into more than 50 oil blocks based on geological setting. These oil blocks were awardedlater to different international oil companies for oil investments based on Production SharingContracts (PSCs). READ MORE