MEHRTORANORDNUNGEN IN DER MIKROWELLEN-IMPEDANZ-MESSTECHNIK = DISPOSITIF A PLUSIEURS PORTES POUR LA MESURE DE L'IMPEDANCE DANS LA REGION HYPERFREQUENCESTUMPER U.1980; TM, TECH. MESS.; DEU; DA. 1980; PP. 377-384; ABS. ENG; BIBL. 20 REF.Article

NEW NONDIRECTIONAL WAVEGUIDE MULTICOUPLER AS PART OF A SIMPLE MICROWAVE SIX-PORT REFLECTOMETERSTUMPER U.1982; ELECTRON. LETT.; ISSN 0013-5194; GBR; DA. 1982; VOL. 18; NO 18; PP. 757-758; BIBL. 5 REF.Article

DIELECTRIC ABSORPTION OF LIQUID NORMAL ALKANES IN THE MICROWAVE AND FAR INFRARED REGIONS.STUMPER U.1975; ADV. MOLEC. RELAX. PROCESSES; NETHERL.; DA. 1975; VOL. 7; NO 3; PP. 189-208; BIBL. 37 REF.Article

Experimental investigation of millimeter wave six-port reflectometers incorporating simple waveguide coupling structuresSTUMPER, U.IEEE transactions on instrumentation and measurement. 1991, Vol 40, Num 2, pp 469-472, issn 0018-9456, 4 p.Conference Paper

PRECISE DETERMINATION OF VERY LOW DIELECTRIC LOSSES AT FREQUENCIES OF 9 AND 29 GHZ.STUMPER U; FRENTRUP KP.1976; REV. SCI. INSTRUM.; U.S.A.; DA. 1976; VOL. 47; NO 9; PP. 1196-1200; BIBL. 8 REF.Article

Finding initial estimates needed for the Engen method of calibrating single six-port reflectometersSTUMPER, U.IEEE transactions on microwave theory and techniques. 1990, Vol 38, Num 7, pp 946-949, issn 0018-9480, 4 p.Article

Automatic determination of the complex permittivity of liquids of low dielectric lossSTUMPER, U.IEEE transactions on instrumentation and measurement. 1985, Vol 34, Num 2, pp 353-356, issn 0018-9456Article

International comparison GT-RF 75 A 4 : reflection coefficient in 14 mm/50 Ω coaxial line at 0.5 GHz, 3 GHz and 7 GHzSTUMPER, U.IEEE transactions on instrumentation and measurement. 1995, Vol 44, Num 6, pp 985-990, issn 0018-9456Article

Permittivity measurements using a frequency-tuned microwave TE₀₁ cavity resonatorNI, E; STUMPER, U.IEE proceedings. Part H. Microwaves, optics and antennas. 1985, Vol 132, Num 1, pp 27-32, issn 0143-7097Article

Determination of mismatch factor with RF power calibration using air-line impedance standardsSTUMPER, U.IEEE transactions on instrumentation and measurement. 1997, Vol 46, Num 2, pp 531-534, issn 0018-9456Conference Paper

Reflectometer calibration using planar NiCr thin-film resistors and an open circuitSTUMPER, U.IEEE transactions on instrumentation and measurement. 1995, Vol 44, Num 2, pp 288-290, issn 0018-9456Conference Paper

Correction of the RF complex reflection coefficient using air line impedance standardsSTUMPER, U; PEINELT, W.IEEE transactions on instrumentation and measurement. 1993, Vol 42, Num 2, pp 516-518, issn 0018-9456Conference Paper

Tracing the complex RF reflection coefficient in the MHz range back to DC resistance standards by utilizing planar NiCr thin-film resistorsSTUMPER, U; GRNO, L; JANIK, D et al.IEEE transactions on instrumentation and measurement. 1993, Vol 42, Num 2, pp 351-355, issn 0018-9456Conference Paper

Josephson voltage standard microwave circuit driven at 10 GHzMEYER, H.-G; KÖHLER, H.-J; WENDE, G et al.Journal de physique. IV. 1994, Vol 4, Num 6, pp C6.243-C6.248, issn 1155-4339Conference Paper

An intercomparison of measurement techniques for the determination of the dielectric properties of solids at near millimetre wavelengthsBIRCH, J. R; SIMONIS, G. J; HO, W. W et al.IEEE transactions on microwave theory and techniques. 1994, Vol 42, Num 6, pp 956-965, issn 0018-9480Article