| 摘要 |
<p>PURPOSE:To obtain a radar signal processor which can be used for the display or forecast of weather conditions such as rain clouds without time delay by interpolating radar information of a screened part from radar information of the circumference where a radio wave is not shielded. CONSTITUTION:Point 11 indicates the position of a radar. Three mesh parts 112 expressed by slanting lines are screened parts of a radar signal. To interpolate a signal at those parts, signals of points 113 and 114 in addition to circumferential eight mesh parts 115 indicated by slanting lines are averaged and interpolation is done according to the mean signal intensity. Namely, distance Ri, azimuth Ai and signal intensity Li of respective meshes are led from a reflected-signal averaging unit to distance, azimuth and signal buffers 31 to 33, where they are stored. Then, the signal intensity at the boundary point of a position preset by interpolation position setter 36 is led to boundary-point averaging processor 34, where signal intensity values of meshes equivalent to slanting-line parts 112 are averaged. Next, the output signal of this processor 34 is applied to interpolation calculation unit 35, where the signal intensity of the screened part is calculated by an interpolating method.</p> |
