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Through-the-wall detection of human activities using a noise radar with microwave quadrature correlator

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The analysis of the autocorrelation function of a noise signal in a limited band of a microwave frequency range is described in the paper. On the basis of this analysis, a static characteristic of the detector for object movement was determined. The measurement results for the correlation function of noise signals are shown and the application of such solution in a noise radar for the precise determination of distance variations and the velocity of these changes is presented in the paper. The results for a short-range noise radar operation are presented both for static and moving objects. The experimental results gained from 2.6–3.6 GHz noise-like waveform for the signal of a human breathing and heart beating are presented.

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Waldemar Susek

Field of Interest

“The field of interest shall be the organization, systems engineering, design, development, integration, and operation of complex systems for space, air, ocean, or ground environments. These systems include but are not limited to navigation, avionics, mobile electric power and electronics, radar, sonar, telemetry, military, law-enforcement, automatic test, simulators, and command and control."

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