Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
27 Cards in this Set
- Front
- Back
|
the word "radar" is an acronym that means: radio
|
detection and ranging
|
|
|
what aspect of a target can radar not determine ?
|
type
|
|
|
which radar component allows a single antenna to serve for transmitting and receiving ?
|
duplexer
|
|
|
the radar antenna's function during TRANSMISSION is to
|
concentrate the radiated energy into a shaped beam that points in the desired direction into space
|
|
|
the radar antenna's function during RECEPTION is to
|
collect the energy contained in the echo signal and deliver it to the receiver
|
|
|
the number of times the radar transmits per second is known as the
|
pulse repetition frequency (PRF)
|
|
|
what is the principle used in radar to detect a target by analyzing a change in frequency of a return signal ?
|
doppler shift
|
|
|
what has many small antennas or slotted waveguides positioned on the cafe or side of a large wedge-shaped structure ?
|
phased-array radar
|
|
|
how many ientification, friend or foe (IFF)/ selective identifiation feature (SIF) modes of operation are there ?
|
7
|
|
|
the IFF/SIF mode that provides automatic reporting of aircraft altitude is
|
c
|
|
|
the mode of ientification, IFF/SIF interrogation is controlled by the
|
spacing of the pulses generated by the coder
|
|
|
the IFF/SIF pulses are transmitted after the radar pulse so
|
they do not interfere with each other
|
|
|
which IFF/SIF codes can be selected by an aircrafts pilot ?
|
mode 3/C
|
|
|
which IFF/SIF codes are fixed for each airframe ?
|
mode 2
|
|
|
which IFF/SIF codes are generated by an altimeter ?
|
mode C
|
|
|
what does IFF/SIF mode 3/A code "7500" mean ?
|
hijacking
|
|
|
what does IFF/SIF mode 3/A code "7600"mean ?
|
lost communications
|
|
|
what does IFF/SIF mode 3/A code "7700" mean ?
|
emergency
|
|
|
which IFF/SIF mode enables operators to distinguish between friendly and hostile aircraft ?
|
mode 4
|
|
|
why moght you receive an IFF/SIF returm from a target and not a radar return ?
|
the IFF/SIF return is stronger then the radar return
|
|
|
what frequency range does the ARSR-4 operate in ?
|
1215 to 1300 MHz
|
|
|
how does the ARSR increase its weather processing capabilities ?
|
by incorporating a completely separate weather channel and processing path
|
|
|
what radar system is use din mobile application s?
|
TPS-75
|
|
|
what is tthe range of the TPS-75 radar antenna ?
|
150 nm
|
|
|
what is the altitude limit of the FPS-117 ?
|
100,000 ft
|
|
|
the FPS-117 can frequency hop on up to how many preset frequencies ?
|
18
|
|
|
what is the altitude limit of the FPS-124 ?
|
15,000 ft
|
