Amplitude-comparison monopulse

amplitude monopulseamplitude comparison
Amplitude-comparison monopulse refers to a common direction finding technique.wikipedia
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Monopulse radar

monopulsemonopulse technique
This method is used in monopulse radar, electronic warfare and radio astronomy.
Historically, monopulse systems have been classified as either phase-comparison monopulse or amplitude monopulse.

Direction finding

radio direction findingradio direction-findingdirection-finding
Amplitude-comparison monopulse refers to a common direction finding technique.

Electronic warfare

EWelectronicelectronic attack
This method is used in monopulse radar, electronic warfare and radio astronomy.

Radio astronomy

radio astronomerradioradioastronomy
This method is used in monopulse radar, electronic warfare and radio astronomy.

Half-power point

change of 3 dBhalf power point
Two overlapping antenna beams are formed, which are steered in slightly different directions, usually such that they overlap at the half-power point (-3 dB-point) of the beams.

Signal-to-noise ratio

signal to noise ratioSNRsignal-to-noise
By comparing the relative amplitude of the pulse in the two beams, its position in the beams can be determined with an accuracy dependent on the signal-to-noise ratio (SNR).

Low-probability-of-intercept radar

low probability of interceptLow Probability of Intercept RadarLow-probability-of-intercept
The rough direction can be calculated using a rotating antenna, or similar passive array using phase or amplitude comparison.

Active electronically scanned array

AESAAESA radaractive phased array
The rough direction can be calculated using a rotating antenna, or similar passive array using phase or amplitude comparison.

Kolchuga passive sensor

KolchugaKol'chuhaKolchuga air defense system
The dishes may exploit amplitude monopulse techniques for improved direction finding, whilst the angled spacing of the log-periodic antenna suggests that they may use phase interferometry to improve angle measurements.

Passive radar

passivePassive (multistatic) radaranti-radar homing
This allows the direction of arrival of echoes to be calculated using standard radar beamforming techniques, such as amplitude monopulse using a series of fixed, overlapping beams or more sophisticated adaptive beamforming.

Radar

Focal-plane array (radio astronomy)

focal-plane arrayfocal-plane arraysbolometer array
The angle to the observed target (e.g. a meteor in meteor studies) can be estimated using amplitude monopulse.