Method of increasing the range, especially in respect of anti-jamming in an MLS landing system, and devices using the same

摘要

the present invention is intended to increase the scope and protection against interference of the mls system.;it is to issue an additional preamble (reinforced) for each function or group of functions which, by means of the scanning antenna is used for the light direction.during the time when it is not used.the additional preamble consists of a number (for example, 4) sweeps, preferably accelerated.the difference between these scans were characteristic of the following features.;application of radio navigation.