WorksheetsELECTRONIC WARFARE BASIC COURSE
Total questions: 20
Worksheet time: 3600secs
What types of EO radiation?
Apakah jenis sinaran EO?
i. Diffracted Radiation
ii. Reflected Radiation
iii. Deflected Radiation
iv. Emitted Radiation
The statements below are correct except?
Pernyataan di bawah adalah betul kecuali?
i. The velocity of propagation of EO energy is different from the rest of the EM spectrum of speed of light
ii. EO spectrum consists of IR, Visual Light, and UV
iii. IR frequency is from 300 GHz to 400 THz
iv. Visual Light frequency is from 400 to 500 THz
Electro-Optics is the field of technology used in military which, aided by electronic components and techniques, involves the emission and/or reception of radiation in the ........?
i. Visible Light
ii. Infra-Red
iii. X-Ray
iv. Ultra Violet
Based on their wavelength, infra-red spectrum is sub-divided into 4 regions. What are they?
i. Far IR
ii. Medium IR
iii. Middle IR
iv. Near IR
Pemancar sempurna yang memancarkan dan menghantar semua tenaga pancaran dipanggil?
a. Selective radiators
b. Grey bodies
c. Black Body
d. Emitter
Amount of visible light can be measured in unit?
Jumlah visible light boleh diukur dalam unit?
a. Ampere
b. Foot-candle
c. Mole
d. Kelvin
The process of atmospheric absorption creates a series of ……………….. at several frequency ranges
i. EM Spectrum
ii. IR Windows
iii. EO Spectrum
iv. Visible Light
The amount of visible light available to an EO system depends on these, except?
Jumlah visible light yang tersedia untuk sistem EO bergantung pada ini, kecuali??
a. The amounts of Sun cover
b. The incident radiation level
c. The reflectance of the subject
d. The light collecting power of the optical system used
Starring Arrays consist of a ……………… that stares at the target
(a)
The statements below are false about IR detectors except?
Thermal Detectors are the oldest form of detector
The Thermal Detector requires cooling of the detector material
Photon Detectors are more responsive and more sensitive than Thermal Detectors
Thermal Detectors are relatively slow to respond to changes in the IR signal
A thermal imager is:
Intensifies the available light
Operates in the near IR Spectrum
Is used in LLTV systems
Operates by detecting thermal radiation
There are two main groups of IR Detectors, Thermal and Photon
True
False
Second Generation IR Weapons were produced with detectors made from
Uncooled Lead Sulphide.
Cooled Lead Sulphide.
Uncooled Lead Sulphur
Cooled Lead Sulphur
What is kinetically heated surfaces emission
The hottest part of the target
The plume is made of heated Carbon Dioxide and Water vapor that produce discreet emissions
Leading edge surfaces heat up due to friction
Occur at temperatures similar to the Earth
Fourth generation systems incorporate imaging or ……………… technology
(a)
What are the advanced Reticle designs in third generation weapon
Linear Scan
Circular Scan
Rosette Scan
Spin Scan
One of the requirements for a MWS?
False Alarm
Stage of flight
Quick warning
Afterburners
Most Missile Warning Systems use IR rather than UV because of the fewer false alarms
False
True
3 different stages of the flight of the missile that detected by A MWS system except
Launch to Boost
Boost / Sustain
Afterburner
Post Sustain burnout
Minimize false alarms, produce faster identification, and rapidly initiate protection responses are a feature to be achieved in all MWS development
True
False
