Radar Engineering and Satellite Communication MCQs

269 questionsElectronics-EngineeringPage 10 of 30

Practice free Radar Engineering and Satellite Communication multiple-choice questions with instant answer feedback and step-by-step solutions. Click an option to check yourself, reveal the full explanation, and work through all 269 questions — no login required.

Question 82easy
A beam --idth of 10 in the azimuth direction and 1? in elevation direction implies a radiated beam solid angle (in steradians) of about
Question 83easy
With reference to accuracy of range measurement, if the received signal to noise ratio is increased by a factor of 4, the root mean square value of the range error would
Question 84easy
With reference to the integration time required by the radar to resolve two doppler shifts repa rated by (Afd)
Advertisement
Question 85easy
The doppler shift produced by a radar operating at 1 GHz from a target, moving with a velocity that has a radial component only the radar axis of 100 m/s, would be
Question 86easy
When the target is moving away from the CW doppler radar, the received frequency
Question 87easy
A ship sailing at a radial speed of 10 m/s towards on HF radar operating at 3 MHz would produce a doppler shift of
Advertisement
Question 88easy
The beam width of a radar antenna is 0.1 radian in the azimuth direction and 0.05 radian in the elevation direction. The number of beam positions needed to fill the complete sphere would be
Question 89easy
With reference to tracking radars, the problems of pulse to pulse variations in echo amplitudes
Question 90easy
One of the following is an HF radar system
1…91011…30