Interference Waveforms

Question 1

Identify

Any disturbance generated by an external source that affects an electrical circuit

Answer 1

Electromagnetic Interference (EMI)

Ex. Radio Frequency Interference (RFI)

Question 2

What are some natural sources of EMI?

Answer 2

• Solar Weather
• Proton Events
• Lightning

Question 3

What kind of EMI generally arises from other electronics circuits, although some EMI can arise from switching of large currents, etc?

Answer 3

Man-Made

Question 4

What are the two kinds of man-made EMI?

Answer 4

• Intentional
• Unintentional

Question 5

Unintentional man-made EMI can be divided further into what two categories?

Answer 5

• Blue on Blue
• Grey on Blue

Question 6

Intentional man-made EMI can be divided further into what categories?

Answer 6

Electronic Warfare:
* Electronic Attack
* Electronic Protection
* Eletronic Support

Question 7

Identify

Any military action involving the use of electromagnetic and directed energy to control the electromagnetic spectrum or to attack the enemy

Answer 7

Electronic Warfare

• Electronic Attack (4 EWS)
• Electronic Support (16 EWS)

Question 8

Identify

The use of electromagnetic or directed energy to attack personnel, facilities, or equipment with the intent of degrading, neutralizing, or destroying enemy combat capability

Answer 8

Electronic Attack

Question 9

Identify

Actions taken to prevent or reduce an enemy’s effective use of the electromagnetic spectrum such as jamming and electromagnetic deception

Answer 9

Electronic Attack

Question 10

Identify

Actions taken to protect personnel, facilities, and equipment from any effects of friendly or enemy employment of electronic warfare that degrade, neutralize, or destroy friendly combat capability

Answer 10

Electronic Protection

Question 11

Identify

Actions tasked to search for, intercept, identify, and locate sources of intentional and unintentional radiated electromagnetic energy for the purpose of immediate threat recognition

Answer 11

Electronic Support

Question 12

What are the Five D’s?

Answer 12

• Deception
• Disruption
• Denial
• Degradation
• Destruction

Question 13

Identify

Employs manipulation, distortion, or falsification of information to induce adversaries to react in a manner contrary to their interests

Five D’s

Answer 13

Deception

Question 14

Identify

Temporary impairment of some or all of a space system’s capability to produce effects, usually without physical damage

Five D’s

Answer 14

Disruption

Question 15

Identify

Temporary elimination of some or all of a space system’s capability to produce effects, usually without physical damage

Five D’s

Answer 15

Denial

Question 16

Identify

Permanent impairment of some or all of a space system’s capability to produce results, usually with physical damage

Five D’s

Answer 16

Degradation

Question 17

Identify

Permanent elimination of all of a space system’s capabilities to produce effects, usually with physical damage

Five D’s

Answer 17

Destruction

Question 18

Identify

The deliberate radiation, re-radiation, or reflection of electromagnetic energy to disrupt use of electronic devices, equipment, or systems

Answer 18

Jamming

Question 19

What are the 3 basic jamming requirements?

Answer 19

• Power
• Access
• Frequency

Question 20

What is the receiver of downlink jamming?

Answer 20

Ground station receive antenna

Note: The jammer must have line of sight access to the antenna and may be terrestrially based or airborne.

Question 21

What are the jammer requirements for uplink jamming?

Answer 21

• Frequency
• Access
• Antenna
• Power

Question 22

Define

Covert

Answer 22

Hidden or concealed

Question 23

Define

Overt

Answer 23

Visible or apparent

Question 24

Uplink jamming must be where?

Answer 24

In the footprint

Question 25

Which of the Five D’s are covert?

Answer 25

• Deception
• Disruption
• Denial

Question 26

Which of the Five D’s are overt?

Answer 26

• Degradation
• Destruction