Sökning: "sampling frequency"
Visar resultat 11 - 15 av 196 avhandlingar innehållade orden sampling frequency.
11. Ultra-Wideband Time Domain Measurement Systems for Microwave Tomography
Sammanfattning : As a potential imaging modality for biomedical applications, microwave tomography has attracted a lot of interests in recent years. With microwave tomography, microwave signals are transmitted into the biological tissues and the scattered fields are recorded. LÄS MER
12. VAR Models, Cointegration and Mixed-Frequency Data
Sammanfattning : This thesis consists of five papers that study two aspects of vector autoregressive (VAR) modeling: cointegration and mixed-frequency data.Paper I develops a method for estimating a cointegrated VAR model under restrictions implied by the economy under study being a small open economy. LÄS MER
13. On Radio Frequency Behavioral Modeling : Measurement Techniques, Devices and Validation Aspects
Sammanfattning : Effektförstärkare för radiofrekvensapplikationer utgör fortfarande ett av de största problemen i trådlösa kommunikationssystem. Detta beror på att dessa förstärkare är ickelinjära, har låg energieffektivitet och ger mycket distortioner. Bättre verktyg för att förstå och korrigera dessa beteenden är nödvändiga. LÄS MER
14. Gestational diabetes mellitus – prevalence in southern Sweden and risk factors for subsequent diabetes
Sammanfattning : Background: Gestational diabetes mellitus (GDM) is associated with risks during pregnancy, during delivery, and in later life with a substantial risk of subsequent diabetes. The worldwide prevalence of GDM is increasing, but varies with differences in diagnostic methods and population characteristics. LÄS MER
15. Wireless Multi-Sensor Feedback Systems for SportsPerformance Monitoring : Design and Development
Sammanfattning : Wireless applications have become a common part of daily life. Whether it is mobile phones, the Wi-Fi router at home, the keycard which has replaced the car key, a radio frequency identification access system to a building or a Bluetooth headset for your computer or phone, the means of modern wireless data exchange is an omnipresent technology. LÄS MER