| 摘要 |
FIELD: electricity. ^ SUBSTANCE: system includes route-searching generator and receiver. Route-searching generator includes master generator, power amplifier, GPS receiver, transmitting of modem, and analogue-to-digital converter. Route-searching receiver includes antenna unit including two horizontal and two vertical induction converters, four signal conversion channels, microprocessor and recording device. ^ EFFECT: improving accuracy and enlarging functional capabilities. ^ 3 cl, 1 dwg |
