Radionavigation Systems Quiz


1. Range corresponding to a time interval equal to PRF^-1





2.  The ability to accurately measure range is determined by:





3. To create a perfectly formed pulse with a vertical leading edge would require





4. Radar antennas have ________ of the beamwidth as communication antennas:





5. The product of directional gain and the horizontal and vertical beamwidth is equal to:





6.  The measure of the angular extent of the most powerful portion of radiated energy





7. "A duplexer is not required if the transmitted power is high." This statement is:





8.  To maintain a low false detection rate, the number of pulses transmitted in each direction should be kept





9.  The product of power gain and physical area is equal to





10. The average value of background noise is called





11.  The ability to discern a received signal  from background noise depends on





12. The following are examples of carrier wave sources except





13. The frequency of the carrier wave which is being modulated to form the pulse train





14. Minimum signal for detection will only be equal to NEP on one of the following conditions:





15.  ________ alternately connects the transmitter or receiver to the antenna







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December 12th, 2009 | Tags: , , , | Category: General Electronics

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