Differentiator

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4-3-320

Alternative term: Anti-clutter rain, Fast time constant (F.T.C.) (U.S.A.), Short time constant (S.T.C.) (G.B.)

A type of coupling circuit, with high pass frequency characteristics, used in radar receivers to permit discrimination against received pulses of duration longer than the transmitted pulse.




Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

force

Farad

Fahrenheit

Time period

roll period

Transmissivity

Contrast

Celsius (previously Centigrade)

Capacitance

South

ampere

centre of gravity

Centre of buoyancy

International Association of Marine Aids to Navigation and Lighthouse Authorities - AISM