Sökning: "Per Löwenborg"

Hittade 3 avhandlingar innehållade orden Per Löwenborg.

1. 1. Asymmetric filter banks for mitigation of mismatch errors in high-speed analog-to-digital converters

   Författare :Per Löwenborg; Linköpings universitet; []
   Nyckelord :;

   Sammanfattning : Analog-to-digital converters (ADCs) are often the most critical components in, e.g., electronics for telecommunications applications, i.e. LÄS MER

3. 2. Contributions to Delay, Gain, and Offset Estimation

   Författare :Mattias Olsson; Håkan Johansson; Per Löwenborg; Markku Renfors; Linköpings universitet; []
   Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; time interleaved analog to digital conversion; delay estimation; OFDM; fractional delay filters; Signal processing; Signalbehandling;

   Sammanfattning : The demand for efficient and reliable high rate communication is ever increasing. In this thesis we study different challenges in such systems, and their possible solutions. LÄS MER

4. 3. Nephrotic syndrome in children : functional, morphological and therapeutical aspects

   Författare :Eva Löwenborg; Karolinska Institutet; Karolinska Institutet; []
   Nyckelord :Children; glomerular volume; glomerular filtration rate; effective renal plasma flow; rats; nephrotic syndrome; cyclosporine; nephrotoxicity;

   Sammanfattning : Although cure rates of the idiopathic nephrotic syndrome in children have improved because of advances in immunosuppressive therapy, the pathogenesis and course of the disease remain controversial. We have followed children with nephrotic syndrome to study renal function and morphological changes in kidney biopsies and in an experimental study. LÄS MER