DEVICE FOR MEASURING THE REFRACTIVE INDEX OF A MEDIUM IN THE INTERESTS OF RADAR Russian patent published in 2023 - IPC G01W1/00 

FIELD: measurement of refractive index.

SUBSTANCE: device relates to means for measuring the refractive index of the atmosphere. Essence: the device contains a synchronizer (1), a modulator (2), a microwave generator (3), an antenna switch (4), an antenna-feeder device (5), a receiver (6), an indicator (7) and a block (8) for measurements of the refractive index of the atmosphere in the interests of radar. In this case, the block (8) for measuring the refractive index of the atmosphere in the interests of radar contains two multipliers (8.1, 8.3), a phase-shifting chain (8.2), two low-pass filters (8.4, 8.6), a highly stable heterodyne generator (8.5), two analog-to-digital transducers (8.7, 8.9), phase detector (8.8), delay line (8.10), three adders (8.11, 8.12, 8.14), subtractor (8.13) and phase velocity calculator (8.15).

EFFECT: measurement of the refractive index of the atmosphere.

1 cl, 1 dwg