A Multipurpose Q-Meter with Switching Phase Shift Detector

  • N. A. Bazhanov
  • A. I. Kovaljov
Conference paper

Abstract

The use of Q-meters with amplitude sensitive detectors leads to the following problems:
  1. 1)

    The NMR signal is overlayed by a large background

     
  2. 2)

    The NMR signal is a mixture of absorption and small fraction of dispersion

     

Keywords

Diol Controled Propandiol 

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Reference

  1. 1.
    E.I. Bunjatova, Yu. F. Kiseljov, N.A. Kozlenko et al. Polarized proton target with horisontal spin. PTE1 1988, #6, pp.36–39Google Scholar
  2. 2.
    D. Gifford. A Q-meter with RF Phase Sensitive Detector. Proc. the 2-nd Workshop on Polarized Tardet. RL-80-080. 1980.Google Scholar
  3. 3.
    J.A. Pierce. Itercontinental Frequency Comparison by Very Low-Frequency Radio Transmission. Proc. IRE. # 6, pp 794–803, 1957.Google Scholar
  4. 4.
    Ch. O. Kadmar, S.A. Musaev, E. Yu. Salaev. High Presision Phase Sensitive Detector PTE1, 1982, #5, p.103.Google Scholar
  5. 5.
    V.I. Kostenko, O.N. Demjanenko. Controled Phase Rotator. PTE1 1975, #5, p.138.Google Scholar

Copyright information

© Springer-Verlag Berlin Heidelberg 1991

Authors and Affiliations

  • N. A. Bazhanov
    • 1
  • A. I. Kovaljov
    • 1
  1. 1.Leningrad Institute of Nuclear PhysicsLeningrad Distr.USSR

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