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Pulse compression is a signal processing technique commonly used by radar, sonar and echography to either increase the range resolution when pulse length is constrained or increase the signal to noise ratio when the peak power and the bandwidth (or equivalently range resolution) of the transmitted signal are constrained.
Its summit is home to the central communications array of the Government of Sri Lanka and armed forces and serves as an important point in the country's radar system. The peak is currently designated as an "ultra-high security zone", and protected by a large military base; the peak is strictly off-limits to the general public.
AN/APN-236 development of AN/APN-233 Doppler radar system by Teledyne; AN/APN-237 K u band terrain-following radar by Texas Instruments part of AN/AAQ-13; AN/APN-239 improvement of AN/APN-234 weather and navigational radar (Model RDR-1400C) Bendix Corporation for HH-60G, MH-60G; AN/APN-240 improved AN/APN-169 station keeping radar system by ...
However, since humans reflect far less radar energy than metal does, these systems require sophisticated technology to isolate human targets and moreover to process any sort of detailed image. Through-the-wall radars can be made with Ultra Wideband impulse radar, micro- Doppler radar , and synthetic aperture radar (SAR).
A request to detect stealthy aircraft and provide anti-aircraft systems [2] with their coordinates prompted the Nizhny Novgorod Research Institute of Radio Engineering (NNIIRT) to develop the VHF AESA Nebo-SVU radar with digital signal processors, [3] which is capable of performing target acquisition for surface-to-air missile batteries such as ...
Frequency agility is the ability of a radar system to quickly shift its operating frequency to account for atmospheric effects, jamming, mutual interference with friendly sources, or to make it more difficult to locate the radar broadcaster through radio direction finding.
The radar is designed with high resistance to electronic countermeasures (ECM) and anti-radiation missiles (ARM). [ 1 ] The system automatically acquires, tracks, classifies , identifies and reports high- and low-altitude targets, including cruise missiles , unmanned aerial vehicles , and both rotary- and fixed-wing aircraft .
The Zaslon is a pulse-Doppler radar with a passive electronically scanned array (PESA) antenna and digital signal processing. The antenna used by the Zaslon is actually a multi-channel system comprising two separate electronically controlled arrays, an X band radar with 1700 emitters and a L band transponder with 64 emitters brought together into a single antenna. [4]