January 2016
Beginner to intermediate
430 pages
22h 38m
English
Content preview from Radar and ARPA Manual
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18
RADAR AND ARPA MANUAL
1.5 Picture presentation
As suggested in Section 1.4, there is frequently some
overlap between the concepts of picture orientation and
picture presentation. In this text, as in The Naviagation
Control Manual, the term 'picture presentation' will be
used to indicate if the movement of displayed echoes is
shown with respect to (a) the observing vessel, (b) the
water, or (c) the ground. In all three presentations, the
observing vessel is represented by the electronic origin
of the display, i.e. by the centre of rotation of the trace.
1.5.1 The relative-motion presentation
In the relative-motion presentation the origin
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