A measuring device for determining the thickness of a non-homogenous medium such as the thickness or a road structure. The device includes a radar transmitter Tx and two spaced receivers Rx1, Rx2. Information on the timing of the transmitted signal as well as the signals received by the two receivers is used to calculate the material thickness whilst eliminating signal drift.
申请公布号
WO9716700(A1)
申请公布日期
1997.05.09
申请号
WO1996GB02692
申请日期
1996.11.01
申请人
BRITISH GAS PLC;CORDES, PAUL;MCGONNELL, PHILIP;WARD, PETER;FRASER, ANDREW, JOHN
发明人
CORDES, PAUL;MCGONNELL, PHILIP;WARD, PETER;FRASER, ANDREW, JOHN