dot and dash signal造句

• Using these signals the aircraft could position itself along the centreline, at which point both the dot and dash signals were the same length, and the bar remained steady.
• A system set up at the Maibaum tracking station in Kettwig broadcast false dot and dash signals on the 1.5 m band, hoping to make it impossible for the pilot to figure out if they were at the right position.
• The end result of extreme receiver AFE sensitivity to high power levels is that, for most practical purposes, "'signal reception is impossible during periods when the associated transmitter is actually transmitting "'the dot and dash signals.
• An example of an application where fast AGC recovery time is required is in receivers used in Morse code communications where so-called full break-in or QSK operation is necessary to enable receiving stations to interrupt sending stations mid-character ( e . g . between dot and dash signals ).