Perimeter surveillance radar

Perimeter surveillance radar (PSR) is a class of radar sensors that monitor activity surrounding or on critical infrastructure areas such as airports,[1] 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.[2]

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.

Characteristics

PSR's usually have the following required characteristics:

Characteristics of some perimeter surveillance radar systems:

Challenges to PSR

Challenges to perimeter surveillance radar include high clutter area operations. In the range of frequencies used almost all objects return some reflection from the radar. So foliage presents 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 high signal return from the foliage. To a degree, Doppler based radars 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.

Integration with other systems typically involves security control room plots of target position and control of one or more cameras. In turn, the cameras may be daylight or thermal.

See also

References

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