ELECTRONIC WARFARE BASIC COURSE

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

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