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Noise Radar Technology: Waveforms Design and Field Trials.

Gaspare Galati¹, Gabriele Pavan¹, Kubilay Savci²

¹Department of Electronic Engineering, Tor Vergata University and CNIT-Consortium for Telecommunications, Research Unit of Tor Vergata University of Rome, 00133 Rome, Italy.

Sensors (Basel, Switzerland)

|June 2, 2021

Summary

This summary is machine-generated.

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Introduction to Noise Radar and Its Waveforms.

Sensors (Basel, Switzerland)·2020

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Continuous emission noise radar performance relies on controlling sidelobes. Tailored waveforms and optimized hardware mitigate issues, improving detection and dynamic range in radar systems.

Area of Science:

Radar Systems Engineering
Signal Processing
Electromagnetics

Background:

Sidelobes in matched filter outputs significantly impact continuous emission noise radar performance, affecting detection and dynamic range.
Controlling sidelobe levels requires careful design of transmitted waveforms and radar transmit/receive components.
Optimizing average transmitted power necessitates waveforms with a peak-to-average power ratio near unity.

Purpose of the Study:

To address theoretical and practical challenges impacting noise radar performance due to sidelobes and hardware imperfections.
To propose solutions for mitigating dynamic range issues in continuous emission noise radar systems.
To validate findings through experimental demonstrators in diverse environments.

Main Methods:

Keywords:

autocorrelation function continuous emission leakage effect noise radar technology peak sidelobes level peak-to-average power ratio waveforms design

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Development of tailored waveforms to minimize sidelobe levels and improve peak-to-average power ratio.
Analysis of radar hardware effects, including analog-to-digital converters (ADCs), on matched filter output quality.
Implementation and testing of noise radar demonstrators in rural and coastal/maritime environments.

Main Results:

Demonstrated that tailored waveforms effectively mitigate dynamic range issues caused by sidelobes.
Quantified the impact of radar hardware imperfections on matched filter performance.
Validated the proposed solutions using two operational noise radar demonstrators.

Conclusions:

Tailored waveforms are crucial for enhancing continuous emission noise radar performance by controlling sidelobes.
Addressing hardware-induced signal degradation is essential for maintaining radar system accuracy and dynamic range.
Experimental results confirm the efficacy of the proposed methods in real-world scenarios.