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RESUME OF EXPERIMENTAL TECHNIQUES
THEORETICAL SENSITIVITY OF DIFFERENT TYPES
DESIGN AND CONSTRUCTION OF A SPECTROMETER
4 other sections not shown
absorption line amplitude angular momentum applied magnetic field atom audio amplifier balancing device beam voltage Beringer bolometer bolometer detector bridge balance calculated carrier power coupling crystal detector cycles/sec diphenyl picryl hydrazyl DPPH effective inductance electron paramagnetic resonance electron spins equations experimental field H fluctuations Fraenkel frequency modulation gauss Hirshon input power interactions intermediate frequency klystron oscillator magnetic dipoles magnetic field magnetic moments magnetic quantum magnetic quantum numbers magnetic resonance Mc/sec measured microwave power minimum detectable mixer modulation frequency netic noise figure noise source nuclear magnetic nucleus number of moles number of spins obtain orbital and spin orbital electron oscillating magnetic field output paramagnetic resonance absorption phase detector Phys power supply precession reflection cavity sample-carrying cavity second detector sensitivity signal spectra spectrometer spin magnetic square-law detector stability substance superheterodyne receiver superheterodyne system temperature thermal noise transmission-cavity tuning unbalance voltage watt waveguide