| 摘要 |
FIELD: radio engineering. SUBSTANCE: device has RF amplifier 1, local oscillator 2, controlled oscillator 3, equalizing modulator 4, additional multiplier 5, IF amplifier 6, band-pass filters 7 and 8, multiplier 9, band amplifier 10, band-pass filter 11 and recorder 12. Device receives pairs of constituents of input signal spectrum. EFFECT: increased stability to noise in wide and narrow spectrum. 1 dwgo
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