Microwave Communication In a pulsed radar set, the STC circuit is used to Reduce interference from the effects of sea return Increases receiver sensitivity for echoes from targets Vary the pulse frequency in order to control the maximum target Improve the target bearing resolution Reduce interference from the effects of sea return Increases receiver sensitivity for echoes from targets Vary the pulse frequency in order to control the maximum target Improve the target bearing resolution ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication The frequency of the oscillation generated by a magnetron, is mainly determined by The flux density of the external magnet The ratio of the dc cathode voltage to the magnetic flux density The dimension of each cavity resonator The number of the cavity resonators The flux density of the external magnet The ratio of the dc cathode voltage to the magnetic flux density The dimension of each cavity resonator The number of the cavity resonators ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication At what position is the input signal inserted into a traveling-wave tube? At the collector end of the helix At the control grid of the electron gun At the collector At the cathode end of the helix At the collector end of the helix At the control grid of the electron gun At the collector At the cathode end of the helix ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication When used in conjunction with a radar set, the purpose of an echo box is to provide an artificial target. Which may be used to tune the radar receiver Tune the magnetron to the correct frequency To the tone of the pulse repetition Which may be used to tune the radar synchronizer Which may be used to tune the radar receiver Tune the magnetron to the correct frequency To the tone of the pulse repetition Which may be used to tune the radar synchronizer ANSWER DOWNLOAD EXAMIANS APP
Microwave Communication Oscillators of a klystron tube are maintained By plate-to-cathode feedback By circulating bunches of electrons within the cavities. By feedback between the accelerating grid and the repeller By bunches of electrons passing the cavity grids By plate-to-cathode feedback By circulating bunches of electrons within the cavities. By feedback between the accelerating grid and the repeller By bunches of electrons passing the cavity grids 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 vertical plane A high duty cycle A narrow, antenna-beam width in the horizontal plane A low repetition rate A narrow, antenna-beam width in the vertical plane A high duty cycle A narrow, antenna-beam width in the horizontal plane A low repetition rate ANSWER DOWNLOAD EXAMIANS APP
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