What is a radar simple definition?

Definition of radar

1 : a device or system consisting usually of a synchronized radio transmitter and receiver that emits radio waves and processes their reflections for display and is used especially for detecting and locating objects (such as aircraft) or surface features (as of a planet)

What does on the radar mean?

aware of
idiom. If someone or something is on your radar, you are aware of, or have thought about, them or it. : She has been on my radar since her first novel came out, but I haven’t read any of her books yet.

What is radar and its function?

What is a Radar? A Radar (Radio Detection And Ranging) is an instrument that can detect surrounding objects using radio waves. Thus, in the maritime world, objects such as ships, buoys or birds can be detected by Radars.

What is an example of a radar?

Radar is a device that uses reflected radio waves to detect the position or movement of a person or thing. An example of radar is the device highway patrol officers use to detect people who are driving too fast.

What’s another word for radar?

What is another word for radar?
sensordetector
position finderantenna
beaminstrument
devicefeeler
measuring device

What kind of word is radar?

Noun. radar (countable and uncountable, plural radars) (uncountable) A method of detecting distant objects and determining their position, velocity, or other characteristics by analysis of sent radio waves (usually microwaves) reflected from their surfaces.

What are the 3 types of radar?

Pulse Radar
  • Basic Pulse Radar.
  • Moving Target Indication Radar.

Who invented the radar?

Radar/Inventors

What are the 5 main components of radar?

five main components associated with ground penetrating radar systems are the transmitter, antenna, receiver, signal processing and display components.

What does under the radar mean in slang?

unnoticed
: not getting attention : unnoticed He tried to stay under the radar as he went about his business.

How do you get off the radar?

What does the phrase under the weather means?

feel ill
If someone is or feels under the weather, they feel ill: I’m feeling a bit under the weather – I think I’m getting a cold. Being & falling ill.

What is the meaning of go over the top?

too extreme and not suitable, or demanding too much attention or effort, especially in an uncontrolled way: I thought the decorations were way (= very) over the top. The speech was a bit OTT. He realized he’d gone over the top with the seating arrangements. SMART Vocabulary: related words and phrases.

How far can radar detect?

Detection range can be as low as 100 feet or less to over a mile. A radar may track a distant large vehicle instead of a closer small vehicle without any indication to the operator which vehicle the radar is tracking. The angle between the radar or lidar and target must be small for an accurate speed measurement.

Can you fly under radar?

In many cases, yes you can fly under the radar because typical civilian radar is line of sight, meaning that it has to have a straight unobstructed path to an object in order to “see” it. This is because it works by sending a radar signal out and waiting for it to reflect off of something.

What does not on my radar mean?

idiom. If someone or something is off your radar, you are not aware of, or have not thought about, them or it: At that time, boyfriends were completely off my radar. We recycle our waste, but what happens to it afterward is completely off our radar. SMART Vocabulary: related words and phrases.

What is the speed of a radar signal?

Radar waves travel through the atmosphere at roughly 300,000 km per second (the speed of light). The range to a target is determined by measuring the time that a radar signal takes to travel out to the target and back.

Is radar affected by rain?

Radar systems work in a wide band of transmitted frequencies. The higher the frequency of a radar system, the more it is affected by weather conditions such as rain or clouds.