Perimeter surveillance using a miniaturized millimetre-wave radar

Helmut Essen; Winfried Johannes; Stephan Stanko

doi:10.1117/12.924854

26 October 2012 Perimeter surveillance using a miniaturized millimetre-wave radar

Helmut Essen, Winfried Johannes, Stephan Stanko

Proceedings Volume 8544, Millimetre Wave and Terahertz Sensors and Technology V; 85440K (2012) https://doi.org/10.1117/12.924854
Event: SPIE Security + Defence, 2012, Edinburgh, United Kingdom

Abstract

An FM-CW radar at 94 GHz has been equipped with antennas with high azimuthal gain and a broad beam in elevation and mounted on a rotating pedestal. The radar covers a range interval of 500 m. A change detection algorithm is used to discriminate invading persons from the background. Tracking of non-stationary target objects is maintained by Kalman filtering. The RCS of detected objects is determined using a pre-calibration against a precision corner reflector at a defined range. The measured RCS is compared with a threshold value to discriminate between dangerous and nondangerous persons. Additional information from a video camera is necessary for a first discrimination between target classes.

Citation Download Citation

Helmut Essen, Winfried Johannes, and Stephan Stanko "Perimeter surveillance using a miniaturized millimetre-wave radar", Proc. SPIE 8544, Millimetre Wave and Terahertz Sensors and Technology V, 85440K (26 October 2012); https://doi.org/10.1117/12.924854

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