| 释义 |
basic pulse repetition rate basic pulse repetition rate[′bā·sik ′pəls ‚rep·ə′tish·ən ‚rāt] (navigation) In the loran navigation system, the lowest pulse repetition rate used by a chain of stations; the chain has a number of stations, all operating on the same radio frequency; one of these stations uses the basic rate while the others use rates that differ by fractional numbers of pulses per second. |