Radar signal processing device, radar device, radar signal processing method, and non-transitory computer-readable medium
AssigneeFuruno Electric Co., Ltd.
InventorsTetsuya Miyagawa, Yoshifumi Ohnishi
Life of this patent
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Abstract
A radar signal processing device includes: a shielding length calculating unit (61) which calculates, based on a reception signal received by an antenna that transmits and receives radio waves, a shielding length (L2), which is the horizontal length of a region where a transmission signal transmitted from the antenna is shielded by a shielding object (13) above a reference plane; and a vertical height calculating unit (62) which calculates, based on the shielding length and the positional relationship between the shielding object and the antenna, the height (H2) of the shielding object from the reference plane.
Claims20
A radar signal processing device, mounted on a ship together with an antenna, comprising:
- processing circuitry configured to:
- calculate a shielding length which is a horizontal length of a region where a transmission signal transmitted from the antenna is shielded by a shielding object above a reference plane based on a reflection signal reflected by a target in a target area after the transmission signal is transmitted to the target area through the antenna with a radiation direction of the transmission signal oblique to the reference plane;
- and
- calculate a height of the shielding object from the reference plane based on the shielding length and a positional relationship between the shielding object and the antenna.
A radar signal processing method in a radar signal processing device mounted on a ship together with an antenna, comprising:
- calculating a shielding length which is a horizontal length of a region where a transmission signal transmitted from the antenna is shielded by a shielding object above a reference plane based on a reflection signal reflected by a target in a target area after the transmission signal is transmitted to the target area through the antenna with a radiation direction of the transmission signal oblique to the reference plane;
- and
- calculating a height of the shielding object from the reference plane based on the shielding length and a positional relationship between the shielding object and the antenna.
A non-transitory computer-readable medium, storing a radar signal processing program used in a radar signal processing device mounted on a ship together with an antenna, the radar signal processing program causing a computer to execute processing configured to:
- calculate shielding length which is a horizontal length of a region where a transmission signal transmitted from the antenna is shielded by a shielding object above a reference plane based on a reflection signal reflected by a target in a target area after the transmission signal is transmitted to the target area through the antenna with a radiation direction of the transmission signal oblique to the reference plane;
- and
- calculate a height of the shielding object from the reference plane based on the shielding length and a positional relationship between the shielding object and the antenna.
Dependencies are inferred from the claim text.