EXAMIANS
Microwave frequencies are normally regarded as those in the range of
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If the instantaneous RF potentials on the two sides of a magnetron cavity are of opposite polarity, the operation is in the
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A shipboard equipment which measures the distance between the ship’s bottom and the ocean floor.
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Which of the following is used as a high power microwave oscillator?
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When it is desired that short-range targets be clearly seen on a pulsed-radar set, it is important that the receiver and display system have
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At what position is the input signal inserted into a traveling-wave tube?
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Oscillators of a klystron tube are maintained
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The coarse frequency adjustment of a reflex klystron is accomplished by
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Calculate the effective earth’s radius if the surface refractivity is 301.
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In microwave transmission using digital radio, what causes most intersymbol interference?
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