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T G Blaney C C Bradley G J Edwards and D J E Knight
R T Adair C A Hoer R A Kamper and M B Simmonds
H Dittmann H Eckardt and K Hillmann
38 other sections not shown
absorption ac/dc accuracy Allan variance amplifier amplitude angle atoms attenuation beam bolometer bridge Bureau of Standards calculated calibration calorimeter capacitance capacitor cavity circuit coaxial coil components constant converter current comparator detector determined device diameter dielectric loss difference direct current effect electrical electronic error experimental field filter frequency stability frequency standards function IEEE impedance instrument intercomparison Josephson Josephson junction laboratory laser magnetic measuring system meter method microwave mode modulation National Bureau National Physical Laboratory noise obtained operating oscillator output permittivity phase phase noise plasma power factor precision pulse range ratio reference reflection coefficient resistance resistor resonance sample saturated absorption sensitivity sensor shield shown in Fig signal spectral standard cell superconducting switch technique temperature thermal transfer transformer uncertainty velocity voltage divider VSWR wattmeter wave waveguide wavelength zero