EXAMIANS
In a pulsed radar set, the function of the duplexer is to
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A Class-S Emergency Position-Indicating Radio Beacon (E.P.I.R.B)
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What ferrite device can be used instead of duplexer of isolate microwave transmitter and receiver when both are connected to the same antenna?
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Rainfall is an important factor for fading of radio waves at frequencies above
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In a radar-set receiver, the usual mixer stage is
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Klystron oscillators are most often used in the frequency range of
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In an SHF pulsed radar set, a reflex klystron can be used as a
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The antenna separations (in meters) required for optimum operation of a space diversity system can be calculated from:where R = effective earth radius (m) and L = path length (m)
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The frequency of the oscillation generated by a magnetron, is mainly determined by
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Calculate the effective earth’s radius if the surface refractivity is 301.
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