Patent ID: 11879970
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Measurement (Instruments)
Classification: CPC G  Y | IPC G

Claim 1:
2. The signal processing apparatus according to claim 1, wherein the signal processor is further configured to
find, as the first weather echo region, a first mixed region including a region where at least the weather echo and the topographic echo are together present,
determine, as a second mixed region, a region other than an overlapping region in the first mixed region where the first mixed region and the second weather echo region overlap with each other,
determine, as a common region, a portion in the overlapping region that corresponds to the second weather echo region,
determine, as the weather echo region, a combined region of the second mixed region and the common region, and
substitute a value of the second mixed region with a value resulting from removal of the topographic echo.