Electronics and Communication Engineering (ECE) Exam > Electronics and Communication Engineering (ECE) Questions > Radar principle is used ina)detection of airc...
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Radar principle is used in
- a)detection of aircraft
- b)telephony
- c)electron microscope
- d)all of the above
Correct answer is option 'A'. Can you explain this answer?
Most Upvoted Answer
Radar principle is used ina)detection of aircraftb)telephonyc)electron...
The radar principle is used in the detection of aircraft.
Radar:
- Radar is an acronym for Radio Detection and Ranging.
- The term "radio" refers to the use of electromagnetic waves with wavelengths in the so-called radio wave portion of the spectrum, which covers a wide range from 104 km to 1 cm.
- It is basically an electromagnetic system used to detect the location and distance of an object from the point where the RADAR is placed.
- It works by radiating energy into space and monitoring the echo or reflected signal from the objects.
- It works on radio frequency in the range of about 3 kHz to 300 GHz.
- But most of the RADAR operates between 220 MHz to 35 GHz.
Radar systems have been used in military applications for
- Ground surveillance
- Missile control, fire control,
- Air traffic control (ATC),
- Moving target indication (MTI),
- Weapons location
- Vehicle search
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Radar principle is used ina)detection of aircraftb)telephonyc)electron...
Principle of Radar in Aircraft Detection:
Radar, which stands for Radio Detection and Ranging, is a technology used for detecting the presence, direction, distance, and speed of objects such as aircraft, ships, spacecraft, and even weather formations. Here's how radar principle is used specifically in the detection of aircraft:
Transmission of Radio Waves:
- Radar systems transmit radio waves towards the target object, in this case, an aircraft.
- These radio waves bounce off the aircraft and return to the radar system.
Reception of Reflected Signals:
- The radar system receives the reflected signals, known as echoes, from the aircraft.
- By analyzing the time it takes for the radio waves to travel to the aircraft and back, the radar system can determine the distance of the aircraft.
Signal Processing:
- The radar system processes the received signals to extract information such as the direction and speed of the aircraft.
- Doppler effect is used to determine the speed of the aircraft based on the frequency shift of the reflected signals.
Display and Tracking:
- The processed information is displayed on a screen for the radar operator to analyze.
- The radar system can track the aircraft's movement in real-time, providing crucial information for air traffic control and military purposes.
In conclusion, radar principle is essential for the detection of aircraft by transmitting and receiving radio waves, processing the signals, and displaying the information for tracking and analysis.
Radar, which stands for Radio Detection and Ranging, is a technology used for detecting the presence, direction, distance, and speed of objects such as aircraft, ships, spacecraft, and even weather formations. Here's how radar principle is used specifically in the detection of aircraft:
Transmission of Radio Waves:
- Radar systems transmit radio waves towards the target object, in this case, an aircraft.
- These radio waves bounce off the aircraft and return to the radar system.
Reception of Reflected Signals:
- The radar system receives the reflected signals, known as echoes, from the aircraft.
- By analyzing the time it takes for the radio waves to travel to the aircraft and back, the radar system can determine the distance of the aircraft.
Signal Processing:
- The radar system processes the received signals to extract information such as the direction and speed of the aircraft.
- Doppler effect is used to determine the speed of the aircraft based on the frequency shift of the reflected signals.
Display and Tracking:
- The processed information is displayed on a screen for the radar operator to analyze.
- The radar system can track the aircraft's movement in real-time, providing crucial information for air traffic control and military purposes.
In conclusion, radar principle is essential for the detection of aircraft by transmitting and receiving radio waves, processing the signals, and displaying the information for tracking and analysis.
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Radar principle is used ina)detection of aircraftb)telephonyc)electron microscoped)all of the aboveCorrect answer is option 'A'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2025 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about Radar principle is used ina)detection of aircraftb)telephonyc)electron microscoped)all of the aboveCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Radar principle is used ina)detection of aircraftb)telephonyc)electron microscoped)all of the aboveCorrect answer is option 'A'. Can you explain this answer?.
Radar principle is used ina)detection of aircraftb)telephonyc)electron microscoped)all of the aboveCorrect answer is option 'A'. Can you explain this answer? for Electronics and Communication Engineering (ECE) 2025 is part of Electronics and Communication Engineering (ECE) preparation. The Question and answers have been prepared according to the Electronics and Communication Engineering (ECE) exam syllabus. Information about Radar principle is used ina)detection of aircraftb)telephonyc)electron microscoped)all of the aboveCorrect answer is option 'A'. Can you explain this answer? covers all topics & solutions for Electronics and Communication Engineering (ECE) 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Radar principle is used ina)detection of aircraftb)telephonyc)electron microscoped)all of the aboveCorrect answer is option 'A'. Can you explain this answer?.
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