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How does setting of Echo enhancement effect the RADAR or What is meaning of adjusting Echo enhancement in RADAR?

To assist the operator to spot small targets, most modern radars have the ability to expand them. Usually named echo stretch or expansion, its sole object is to make small targets look bigger. This can at times be a great benefit, but it also tends to distort the picture and reduces range and bearing discrimination. Expansion may be useful at times but should be switched off when not required. There is no IMO symbol for echo expansion.

SHASHI RANJAN

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