Sökning: "line interference"

Visar resultat 6 - 10 av 94 avhandlingar innehållade orden line interference.

  1. 6. Interference competition between arctic and red foxes

    Författare :Bodil Elmhagen; Devra G Kleiman; Stockholms universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; Terrestrial ecology; Terrestisk ekologi;

    Sammanfattning : In this thesis, I investigate the relationship between arctic foxes Alopex lagopus and red foxes Vulpes vulpes in Swedish mountain tundra habitat (fjällen). The arctic fox population was severely reduced by hunting in the early 20th century. LÄS MER

  3. 7. High-Speed Electroabsorption Modulators and p-i-n Photodiodes

    Författare :Robert Lewén; KTH; []
    Nyckelord :Optical communication; Fiber optic; Electroabsorption modulators; p-i-n photodiodes; transmission line; traveling wave; high-speed; microwave photonics;

    Sammanfattning : This thesis presents methods for optimization ofelectroabsorption modulators (EAM) and p-i-n photodiodes (PD)withrespect to high frequency (HF) performance. Differentreactive matching techniques are investigated such as lumpedmatching and integrated transmission line (TML) layouts includingoperation in the traveling-wave (TW) regime. LÄS MER

  4. 8. Pharmaceutical and mutational interference with virulence of Salmonella enterica serovar typhimurium

    Författare :Aurel Negrea; Karolinska Institutet; Karolinska Institutet; []
    Nyckelord :;

    Sammanfattning : Within the species Salmonella enterica are a diverse range of bacteria that can cause illness in humans and many animals. Salmonellae are extremely versatile and can adapt to a variety of environments and hosts. Typhoid and paratyphoid fever, caused by human-restricted S. enterica serovars Typhi and Paratyphi are common in the developing world. LÄS MER

  5. 9. On the importance of inflammation for personality traits and psychiatric morbidity

    Författare :Petra Suchankova; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; inflammation; C-reactive protein; complement factor H; S100B; receptor for advanced glycation end products; polymorphism; gene expression; personality traits; suicidal behaviour; schizophrenia; depression; Flinders sensitive line;

    Sammanfattning : Background: Pro-inflammatory mediators have been implicated in processes that could be both beneficial and toxic to cells in the brain. On the one hand balanced levels of these mediators favour e.g. LÄS MER

  7. 10. Modelling and Interference Analysis of AC-DC Converters for Immunity to Voltage Disturbances up to 150 kHz

    Författare :Selcuk Sakar; Sarah Rönnberg; Math Bollen; Sjef Cobben; Luleå tekniska universitet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; AC-DC power converters; electromagnetic compatibility EMC ; high frequency disturbances; supraharmonics; switching converters; interharmonics; conducted disturbances; Electric Power Engineering; Elkraftteknik;

    Sammanfattning : The function of electrical and electronic equipment is challenged by the high frequency emission originated from the more use of switching-based power electronic equipment and Power line communication (PLC) signaling. Investigations have shown that interferences occur in the frequency range between 2 kHz and 150 kHz, e.g. LÄS MER