Microwave Communication In an SHF pulsed radar set, a reflex klystron can be used as a Duplexer stage Local oscillator Single mixer stage Transmitter oscillator Duplexer stage Local oscillator Single mixer stage Transmitter oscillator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication To achieve good bearing resolution when using a pulsed-radar set, an important requirement is A narrow, antenna-beam width in the horizontal plane A low repetition rate A high duty cycle A narrow, antenna-beam width in the vertical plane A narrow, antenna-beam width in the horizontal plane A low repetition rate A high duty cycle A narrow, antenna-beam width in the vertical plane ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The number of the cavity resonators The dimension of each cavity resonator The ratio of the dc cathode voltage to the magnetic flux density The flux density of the external magnet The number of the cavity resonators The dimension of each cavity resonator ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A PPI cathode-ray tube as used on a radar set Is used for receiver alignment Indicates both the range and azimuth of a target Is used to check the percentage of modulation Indicates only the range of a target Is used for receiver alignment Indicates both the range and azimuth of a target Is used to check the percentage of modulation Indicates only the range of a target ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Which of the following is used as an oscillator device in the SHF band? Thyratron tube Tunnel diode Both B and C Klystron tube Thyratron tube Tunnel diode Both B and C Klystron tube ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication A thin layer of dirt and grime coverts the reflecting surface of the parabolic dish of a radar set. The particular effect on the performance of the radar will be A decrease in range No noticeable effect A decrease in gain A reduction in horizontal resolution A decrease in range No noticeable effect A decrease in gain A reduction in horizontal resolution ANSWER DOWNLOAD EXAMIANS APP
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