Phase 1 Flashcards
Which division of Electronic Warfare (EW) allows us to understand when someone is using the EM spectrum and react quickly to that usage?
Electronic Warfare Support (ES)
What is the primary target of airborne Electronic Warfare (EW)
Adversary Air Defence ADS
Which of the following are four of the nine Information Operations (IO) disciplines?
Special Information Operations (SIO), Computer Network Operations (CNO), Civil- Military Cooperation (CIMIC), and Public Affairs (PA)
Which of the following are the three divisions comprising Electronic Warfare (EW)?
Electronic Attack (EA), Electronic Protection (EP), and Electronic Warfare Support (ES)
Which division of Electronic Warfare (EW) has the goal of denying an adversary the use of electronic systems that use the EM spectrum?
Electronic Attack (EA
What type of guidance combines two or more techniques into one missile?
Hybrid
What part of an ADS integrates all the components to help with Command and Control?
Communications
Which command guidance method has the missile looking back at the launcher in the order to centre itself on the electro-optical or RF beam of being projected on the target?
Line of Sight Beam Rider
Which of the following is not considered a threat to an Air Defence commander?
Satellites
What 3 things must an Air defence System have in order to provide maximum reaction time?
y Warning/ Leak Proof Coverage/ Overlapping Coverage
Bouncing of EM waves off an object, which has a density different than that of the propagating medium” describes what propagation effect?
Reflection
What is the dominant propagation effect and frequency range for a space wave?
Attenuation and above 30 M
What polarization has the E-field of an EM wave orthogonal (90 degrees) to the E-field of its reference EM wave?
Cross
What polarization has an E-field radiating parallel to the earth’s surface?
Horizontal
Length of a full wave cycle. Distance from a point on a wave to the next same point on the wave” describes which of the following terms?
Wavelength
Difference between the highest and lowest frequencies of a signal” is the definition of which of the following terms?
Bandwidth
Any unwanted signal accepted or generated by a receiver, which corrupts the wanted signal at the receiver output” is the definition of which of the following terms?
Noise
What term refers to a band of frequencies used for a particular purpose?
Channel
The “information signal”, either digital/analogue, which users want to have transmitted from one point to another is described by which of the following terms?
Baseband signal
Which of the following desired characteristics refers to the required level of “faithfulness” in received signals?
Fidelity
The ability of RADAR to separate two targets close in range at approximately the same azimuth” is the definition of which term?
Range Resolution
The equivalent of the transmitter power distributed over the Pulse Repetition Interval (PRI)” is ?
Average Power
Which parameter determines Maximum Unambiguous Range (MUR)?
Pulse Repetition Interval (PRI)
Which parameters determines range resolution?
Pulse Width (PW)
“The ratio of the Pulse Width(PW) to Pulse Repetition Interval (PRI) expressed in present” is which term?
Duty Cycle
The degree of accuracy to which a RADAR can measure elevation” is the definition of which of the following terms?
Elevation Definition
What are the two general types of Infrared detectors?
Photon and Thermal
What Infrared law shows the radiated power over the whole spectrum for a given temperature?
Planck’s Law
What does LASER stand for?
Light Amplification By Stimulater Emissions of Radiation
Which LASER application is not typically used in military operations?
Research
What three sections makeup the Electro-Optics (EO) portion of the Electromagnetic (EM) spectrum?
Ultraviolet/Visible/Infrared
Intelligence concerning foreign technological developments, and the performance and operational capabilities of foreign materiel, which have or may eventually have a practical application for military purposes” is the definition of which of the following terms?
Technical Electronic Intelligence (TECHELINT)
. Which equipment is used to determine the direction and possible location of the signal?
Direction Finding (DF)
“Intelligence derived from electromagnetic non-communications systems by other than intended recipients. Examples include RADAR, navigation aids, and jamming transmissions” is the definition of which of the following terms?
Electronic Intelligence (ELINT)
Intelligence required for the planning and conduct of campaigns at the operational level” is the definition of which of the following terms?
▪ Operational Electronic Intelligence (OPELINT)
The deliberate radiation, re-radiation, alteration, absorption, or reflection of EM energy in a manner intended to confuse, distract or seduce an enemy or his electronic systems” is the definition of which of the following terms?
▪ Electronic Deception
Which of the following flare properties refers to its ability to move, or “fly”, like an aircraft?
▪ Kinematic
What do Range Gate Pull Off and Velocity Gate Pull Off utilize to “capture” the attention of the target RADAR?
Cover Pulse
What are small devices jettisoned from an aircraft capable of Emitting Deception signals?
Expendable Decoys
Actions taken to prevent or reduce an enemy’s effective use of the EM spectrum through the use of electromagnetic energy” is the definition of which of the following terms?
Electronic Attack (EA)
This type of RADAR Absorbent Materiel (RAM) slows down the RADAR energy and absorbs it, or converts it into energy” is the definition of which of the following terms?
Non-Resonant RADAR Absorbent Materiel (RAM)
What are the two most important factors in reducing RADAR Cross Section (RCS)?
Shape and Materiel
Which of the following techniques would be effective against CHAFF?
Moving Target Indicator (MTI)
What technique deliberately spreads the transmitted intelligence over a very wide frequency band?
Direct Sequence Spread Spectrum (DSSS)
. Which IR seeker response assumes the flare will have a larger IR signature than the target
Seeker Push-Pull
Which of the following is not a system EP technique?
Variable Polarization
What is the advantage of having a RADAR with variable polarization?
Can reduce the jamming by having a different or opposite polarization than the jammer
Which component of the Defensive Electronic Warfare System (DEWS) senses direct or scattered LASER energy from a LASER range finder, designator, or weapon?
LASER Warning Receiver (LWR)
Which component of the Defensive Electronic Warfare System (DEWS) dispenses, chaff, flares, and possibly active Radio Frequency (RF) decoys, and LASER countermeasure?
Countermeasure Dispensing System (CMDS)
Which component of the Defence Electronic Warfare System (DEWS) detects the body or unintentional emissions from a missile after it is in flight?
Missile Approach Warning System (MAWS)
That activity which neutralizes, temporarily degrades, or destroys enemy air defenses by a destructive and/or disruptive means is the definition of which term?
Suppression of Enemy Air defenses
Which division of EW has goal of denying an adversary the use of the electromagnetic systems that use the EM spectrum?
Electronic Warfare Support
Electronic Warfare is essentially an effort to control what?
Electromagnetic spectrum
Which division of Electronic Warfare (EW) has the goal of countering an adversary’s Electronic Attack (EA) efforts against friendly forces?
Electronic Protection (EP)
Which command guidance method has multiple missile looking back at the launcher in order to center itself on the electro optical or RF beam being projected on the target?
Command to line of sight
Which of the following type of RADAR may send track ID information directly to a weapon system.
Airborne tracking RADAR
Ground Positioning System (GPS), Inertial Navigation System (INS), and Terrain Comparison (TERCOM), are what type of guidance method?
Navigation
What is point Defence Designed to protect?
Limited Area
What ADS system is most expensive to operate but also most flexible?
Surface to air missiles
The bending of EM waves around an object or barrier describes what propagation effect.
Refraction
