| 摘要 |
FIELD: physics. ^ SUBSTANCE: subsurface probing device has a synchroniser 1, a transmitter 2, an antenna switch 3, an antenna system 4 with transceiving and receiving antennae, a first low-noise amplifier 5, a first detector 6, a first digital time interval measuring device 7, a first squaring device 8, a first adder 9, a first multiplier 10, a second adder 11, a divider 12, a third adder 13, a second squaring device 14, a fourth adder 15, a square-root extractor 16 and a display unit 17, a second low-noise amplifier 18, a second detector 19, a second digital time interval measuring device 20, a fifth adder 21, a third squaring device 22, a second multiplier 23, a frequency halver 24 and a data input unit 25. ^ EFFECT: high accuracy of determining coordinates of a point target during subsurface probing. ^ 2 dwg |
