Detection of TPA source maneuvers
Passive trajectory tracking based on angles and other measurements
Article REF: TE6707 V1
Detection of TPA source maneuvers
Passive trajectory tracking based on angles and other measurements

Authors : Claude JAUFFRET, Denis PILLON

Publication date: February 10, 2008 | Lire en français

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1. Detection of TPA source maneuvers

1.1 Detectability of a TPA maneuver

The problem addressed here is that of detecting any maneuvering of the source solely on the basis of azimuth measurements, even if the observer is in MRU (a term also used by the Anglo-Saxons is zig detector ).

Firstly, the observer may have information other than angles to indicate that the source is maneuvering.

Examples

In undersea warfare, a rudder noise detected by audio monitoring indicates that the opposing boat is gybing. An increase in propeller speed means that the source is accelerating on a constant heading, which is a possible maneuver. Frequency evolutions can also easily be used to detect TPAF maneuvers...

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