| 摘要 |
PROBLEM TO BE SOLVED: To provide an inclination detection device capable of accurately detecting an inclination angle without being affected by a multiple reflection wave.SOLUTION: The inclination detection device includes: transmission means 200 for emitting transmission signals with a plurality of frequencies in a predetermined bandwidth; receiving means 300 which includes two receiving antennas 301, 302 which are installed on both sides of the transmission means 200 and receive the transmission signals with the plurality of frequencies emitted from the transmission means 200 and reflected on the ground to acquire the signals as received signals, acquires a first IQ signal by quadrature detecting the received signal acquired by the receiving antenna 301, and acquires a second IQ signal by quadrature detecting the received signal acquired by the receiving antenna 302; multiple reflection removing means 400 for calculating a cumulative sum of the first IQ signal and a cumulative sum of the second IQ signal; and inclination angle calculating means 500 for calculating an inclination angle of a vehicle from a phase angle difference between the cumulative sum of the first IQ signal and the cumulative sum of the second IQ signal. |
