| 摘要 |
<p>PURPOSE:To display a long-distance received signal on a PPI display device by storing a reception signal of one cycle in a memory, and varying a read speed and performing logarithmic range time compression. CONSTITUTION:A received video from a radar reception part 2 is sent to a range detector 4 and the memory 6. The detector 4 detects the range of the received video which is inputted and sends it to a logarithmic range converter 7, and the received signals is read out of the memory; 6 corresponding to a logarithmic range. Consequently, the received signal converted to the logarithmic range is sent to the PPI display device through a driver 8 and the long-distance received signal.</p> |
