| 摘要 |
FIELD: physics. ^ SUBSTANCE: apparatus comprises a portable computer 1, an electronic unit 3, an antenna unit 4, a high-voltage generator 5, a controller 6 for processing and inputting data into the computer, a high-frequency signal receiver 7, a transmitting antenna 8, a receiving antenna 9, a flip-flop 11, a correlator 12, an amplifier 13, a delay line 14, a subtractor 15, an integrator 16, a divider 17, a reference voltage generating unit 18, a comparator 19, an analogue-to-digital converter 20, an interface 21, a switch 22, a liquid crystal display 23, an audio indicator 24, an automatically adjustable delay unit 25, a multiplier 26, a low-pass filter 27, an optimal control 28 and a display 29 of the depth of the subsurface object. ^ EFFECT: high reliability of detecting and identifying subsurface objects in building structures. |
