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US 12,768,976 B2Granted
Signal processing device, radar device, signal processing method, and recording medium
AssigneeFuruno Electric Co., Ltd.
InventorsYugo Kubota, Hironori Takahashi
Life of this patent
Estimating the term…
Abstract
According to the disclosure, an increase in costs is suppressed and the influence of main bang is reduced. A signal processing device includes a hardware processor programmed to at least: calculate a correction value of strength for each of distances from an antenna based on a received signal including a signal acquired by multiple transmissions and receptions via the antenna; and suppress a level indicated by received data generated based on the received signal for each of the distances by using the correction value for each of the distances.
Claims8
A signal processing device, comprising:
- a hardware processor programmed to at least:
- calculate a correction value of strength for each of distances from an antenna based on a received signal comprising a signal acquired by a plurality of transmissions and receptions via the antenna;
- and
- suppress a noise level indicated by received data generated based on the received signal for each of the distances by using the correction value for each of the distances, wherein
- the received signal is a signal acquired from all directions, wherein
- the hardware processor is programmed to at least perform statistical processing of the noise level indicated by the received data for each of the distances, and calculate the correction value by using a result of the statistical processing, and wherein
- in the statistical processing, a noise level indicated by target data, which is the received data of a target, is compared with noise levels indicated by other received data acquired from directions different from a direction of the target data within a predetermined number of sweeps from received time of the target data, the noise level of the target data is replaced with a maximum noise level among the noise levels indicated by the other received data, and the replaced noise level of the target data is used to calculate the correction value.
4 more elements
A signal processing method, in a signal processing device, comprising:
- calculating a correction value of strength for each of distances from an antenna based on a received signal comprising a signal acquired by a plurality of transmissions and receptions via the antenna;
- and
- suppressing a noise level indicated by received data generated based on the received signal for each of the distances by using the correction value for each of the distances, wherein
- the received signal is a signal acquired from all directions,
- wherein the signal processing method further comprises:
- at least performing statistical processing of the noise level indicated by the received data for each of the distances, and calculating the correction value by using a result of the statistical processing, wherein
- in the statistical processing, a noise level indicated by target data, which is the received data of a target, is compared with noise levels indicated by other received data acquired from directions different from a direction of the target data within a predetermined number of sweeps from received time of the target data, the noise level of the target data is replaced with a maximum noise level among the noise levels indicated by the other received data, and the replaced noise level of the target data is used to calculate the correction value.
4 more elements
A non-transitory recording medium recording a signal processing program, used in a signal processing device, the signal processing program causing a computer to execute:
- a process of calculating a correction value of strength for each of distances from an antenna based on a received signal comprising a signal acquired by a plurality of transmissions and receptions via the antenna;
- and
- a process of suppressing a noise level indicated by received data generated based on the received signal for each of the distances by using the correction value for each of the distances, wherein
- the received signal is a signal acquired from all directions,
- wherein the signal processing program further causes the computer to execute:
- at least performing statistical processing of the noise level indicated by the received data for each of the distances, and calculating the correction value by using a result of the statistical processing, wherein
- in the statistical processing, a noise level indicated by target data, which is the received data of a target, is compared with noise levels indicated by other received data acquired from directions different from a direction of the target data within a predetermined number of sweeps from received time of the target data, the noise level of the target data is replaced with a maximum noise level among the noise levels indicated by the other received data, and the replaced noise level of the target data is used to calculate the correction value.
4 more elements
Dependencies are inferred from the claim text.