FIELD: physics.
SUBSTANCE: device comprises a signal 1 and a heterodyne 2 microwave generator, a measuring attenuator 3, a reference 4 and signal 5 channel mixer, a circulator 6, a measuring resonator 7 with an element for adjustment of its resonance frequency 8, a reference 9 and signal 10 channel intermediate-frequency amplifier, phase-frequency discriminators 11 and 12, frequency dividers 13 and 14, a reference generator 15, a frequency synthesis device 16, an analogue-to-digital converter 17, a sampling device 18, in-phase 19 and quadratic 20 channel decimation filters, a digital-to-analogue converter 21, an alternating current amplifier 22, a pulse demodulator 24 and a three-way switch 24.
EFFECT: simple device and higher reliability.
1 dwg
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Authors
Dates
2017-03-23—Published
2015-11-23—Filed