125:) is a class of radar sensors that monitor activity surrounding or on critical infrastructure areas such as airports, seaports, military installations, national borders, refineries and other critical industry and the like. Such radars are characterized by their ability to detect movement at ground level of targets such as an individual walking or crawling towards a facility. Such radars typically have ranges of several hundred metres to over 10 kilometres.
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Low false alarm rates: a radar that puts out false targets is at best an irritant and tactically can confuse the security team. A good PSR should have a designed false alarm rate of two or less false alarms per day. (A false alarm should not be confused with a nuisance alarm caused by, for example,
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levels. In the range of frequencies used almost all objects return some reflection from the radar, as does the ground itself. Foliage presents a particular problem as it is both a barrier to the radar energy, as well as an area in which it is difficult to detect a moving target due to the foliage
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Export of target data: The radar not only has its own dedicated display and alarm system, but also outputs data to other systems that form the security network. A typical interface system today would include target data output over
Extensible Markup Language (XML) at a useful target data rate
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Radar does not have enough resolution to identify one person from another, so cannot be used as a substitute for CCTV. Many PSRs directly interface to control daylight or thermal cameras using a "slew to cue" system to overcome this problem. Total automation may be achieved if the camera uses
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based radar can detect movement in such areas, as long as the component of movement velocity towards or away from the radar is significant enough to generate a signal that overcomes the foliage return signal.
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Alternate technologies include laser-based systems. These have the potential for very high target position accuracy, however they are less effective in the presence of fog and other obscurants.
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technology which requires no moving parts. This may dramatically increase the reliability of the PSR while making the PSR more complex by requiring many receive and/or transmit channels.
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No operator required: The radar autonomously detects movement in a defined area, tracks those targets and raises an alarm if the targets cross into alarm areas.
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Coverage: a radar that covers more area can be potentially more useful than a radar that covers a limited sector. PSRs cover areas between 80° and 360°.
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Modulation characteristics include CW, FMCW, and pulsed. FMCW based systems typically have very high range resolution, often better than 1 metre.
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Detection methods include
Doppler (requiring movement relative to the transmitter) and clutter mapping (movement in any direction).
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Resolution: a radar that operates at higher frequencies and with narrower beams will determine target positions most accurately.
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Plextek’s
Blighter B400 series radars improve perimeter security at London’s Heathrow Airport
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Carrier frequencies range from C-band (about 5 GHz) to W band (about 77 GHz).
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Mechanical
Movement: Older PSRs rely on rotating antennas while newer designs rely on
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being blown by the wind appearing as multiple moving targets. To a degree,
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with PSR-200, PSR-500, PSR-SR, PSR-ESW... high resolution low cost radars
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Characteristics of some perimeter surveillance radar systems:
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Perimeter surveillance radars may operate in areas with high
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PSR's usually have the following required characteristics:
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Area coverage rates: from 1 to 10 updates per second.
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371:RADESCAN ground surveillance radar, UMIRS, RU
276:with the R1, R2, R3, R3D, R5, R5D and R20SS.
216:Perimeter surveillance radar makers include:
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313:high resolution ground surveillance radars.
285:with SR-0303, SR-3030, SR-4505, and SR-360;
246:Blighter B402, B422, B432, and B442 radars
168:Ranges from 300 meters to over 10 km.
333:with the W200, W500, W350-x and the W800;
227:high resolution ground surveillance radar
106:Learn how and when to remove this message
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504:Echodyne Corp. MESA Technology Radars
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539:SRC, Inc. ground surveillance radars
529:Navtech Radar Perimeter Surveillance
509:Blighter Surveillance Systems radars
44:adding citations to reliable sources
343:low-cost ground surveillance radar.
524:Micran Surveillance Systems radars
321:GUARD Security Surveillance System
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361:SR Hawk ground surveillance radar
254:Echodyne MESA Technologies Radars
544:Scan-360 low-cost security radar
499:Magos Ground Surveillance Radars
221:Advanced Radar Technologies S.A.
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31:needs additional citations for
289:Kelvin Hughes Security Systems
55:"Perimeter surveillance radar"
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519:Kelvin Hughes Security radars
231:Blighter Surveillance Systems
119:Perimeter surveillance radar
366:RADESCAN Antidron UMIRS, RU
317:Micran Surveillance Systems
144:(0.1 Hz to 1 Hz).
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460:"Advantages of Radar CCTV"
351:Compact surveillance radar
259:EchoGuard for 3D Security
534:SpotterRF compact radars
376:Rockwell Collins PSR-500
464:ogierelectronics.com
439:ogierelectronics.com
353:M600, M600C and M80;
40:improve this article
242:Blighter B303 radar
293:SharpEye SxV radar
238:Man portable radar
235:Blighter B202 Mk 2
435:"How Radar Works"
337:Ogier Electronics
325:MRS series radars
250:DMT with the AIMS
212:PSR manufacturers
186:Challenges to PSR
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564:Surveillance
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467:. Retrieved
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263:Elta Systems
225:ART Midrange
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38:Please help
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179:Beamforming
154:an animal).
553:Categories
399:References
278:FLIR RADAR
66:newspapers
359:with the
357:SRC, Inc.
347:SpotterRF
339:with the
301:with the
291:with the
256:with the
233:with the
206:analytics
382:See also
341:Scan-360
311:SR-1000
197:Doppler
192:clutter
80:scholar
469:4 June
444:4 June
307:SR-500
303:SR-250
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268:EPSI
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59:news
123:PSR
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