Distance decision circuit for moving target |
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| 申请号 | JP11975984 | 申请日 | 1984-06-13 | 公开(公告)号 | JPS60263878A | 公开(公告)日 | 1985-12-27 |
| 申请人 | Mitsubishi Electric Corp; | 发明人 | ISHII HIROSHI; | ||||
| 摘要 | PURPOSE:To decide precisely a distance by adding a range amplitude comparing circuit and a detected range number correcting circuit. CONSTITUTION:A detected amplitude value and a detected range number covering two ranges are outputted from a moving target detecting circuit, and stored in amplitude storage circuits 7a and 7b and detection range storage circuits 8a and 8b than amplitude-compared by an amplitude comparing circuit 9 to store detection range storage circuits 12a and 12b with a large-amplitude range number as a detection range number as to PRF1 and PRF2. Then, adding and subtracting circuits 13a and 13b perform addition and subtraction between selected detection range numbers xA and yA so as to correct an error of one range which is considered to occur on the basis of a real range number, and a truth decision circuit 14 reads a true/false value (1 or 0 display) on the basis the calculated range number to store the range number in latch circuits 15a and 15b when the value is true. A distance decision circuit 5 outputs a distance on the basis of the stored true range numbers (x) and (y). | ||||||
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