| 单词 |
pulse-coded scanning beam |
| 释义 |
pulse-coded scanning beam pulse-coded scanning beam[′pəls ¦kōd·əd ′skan·iŋ ‚bēm] (navigation) A radio or radar beam which is swept over a sector of space and is accompanied by a repeated pattern of pulses that is varied to indicate the position of the beam in space. A system of ground equipment that generates such beams at microwave frequencies to furnish guidance to aircraft making microwave landings. Abbreviated PCSB. |
| 随便看 |
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