Comparison of active and passive underwater detection (DSM)
Introduction to Active Sonar Detection. Basic Notions
Article REF: RAD6714 V1
Comparison of active and passive underwater detection (DSM)
Introduction to Active Sonar Detection. Basic Notions

Author : Denis PILLON

Publication date: November 10, 2017 | Lire en français

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1. Comparison of active and passive underwater detection (DSM)

1.1 Active non-acoustic detection (DNA)

Let's start by describing the first difference between active and passive DSM, that of DNA. In [RAD6712] , we presented the many passive means of DNA, whereas in active, there is only one, and of very limited use: the laser.

By active DNA, we mean the detection of the reflection by a target of non-acoustic energy emitted in its direction. As far as electromagnetic energy is concerned, radars use waves that...

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