Armbrecht, G.; Denicke, E.; Rolfes, I.; Pohl, N.; Musch, T.; Schiek, B.
(Göttingen : Copernicus GmbH, 2008)
This contribution deals with guided radar level measurements of liquid materials in large metal tubes, socalled stilling wells, bypass or still pipes. In the RF domain these tubes function as overmoded circular waveguides ...