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Radar is a technology which detects objects by bouncing radio waves off of them. It was brought into widespread use during the second world war as a way of discovering oncoming aircraft. However, low-flying aircraft could not be detected by radar, hence they flew "under the radar", that is, low enough not to be detected. Something which is "under the radar" is therefore something which cannot be detected. Often it is used for something which is too small or apparently insignificant to be detected by whatever means are being used to detect it.
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What is the difference between frequency diversity and frequency agility?
Frequency agility is the changing radar frequency rapidly and continuously to minimize jamming effect or enhance the target resolution and hit per scan. where as frequency diversity is a method to couple two radar transmitters to a single antenna simultenously to increase the range of radar in terms of coverage.
What does underway mean?
USCG Navigation Rules International (i) /Inland (h) General Rules 3-Continued The word "Underway" means that a vessel is not at anchor, or made fast to the shore, or aground; There is a link provided below with more info on underway vessels.
What is a complimentary closing on a business letter?
The complimentary closing of a letter is a statement located below the body of the letter that expresses the writer's regard, good wishes, or sincerity, below which, the writer signs the letter.
What is the phone number for Colonial Life Insurance?
Home page below-
What the basic principles of communication?
Please see the related link below.
When was Below the Radar created?
Below the Radar was created in 2009.
What do you mean radar?
Radar!
What does radar mean?
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What does the different colours mean on the ghost radar mean?
what do the colors mean on ghost radar classic
What do you mean by term lock on in military radar?
When a radar has you marked for sure.
How do you track santas journey on radar?
Go to the link below:
What is the hump below the water on a ship's bow?
Radar array.
What does the word mean what come on the ghost radar?
when you activate ghost radar classic, it will periodically say a word. what do these words mean?
Microwave and radar question papers of 5th semister vtu university?
You can find recent papers of microwave and radar from the below link.
What does the r in radar mean?
Radio
What does on the screen mean in palindrome?
radar
How low do you have to fly to fly under radar?
It depends. Flying below radar is usually flying below the equipment used to detect things on radar. It could be a very high tower, hundreds of stories off of the ground, or it could be a satellite just a couple stories off of the ground.
