access icon free Polarisation experimental research of passive radar based on digital television signal

The Letter aims to investigate the polarisation diversity for passive radar system. Digital television signal is used as the illuminator of opportunity in this experiment. Dual-polarised Yagi-Uda antennas have been independently designed as surveillance array antennas, which can receive horizontal (H) and vertical (V) polarisation simultaneously. The experimental results showed that the detection performance after polarisation processing depends on the difference between target polarisation state and interference polarisation state. The target detection performance will be improved if the technology of polarisation diversity is used.

Inspec keywords: Yagi antenna arrays; digital television; electromagnetic wave polarisation; radar signal processing; passive radar

Other keywords: surveillance array antennas; target polarisation state; horizontal polarisation; passive radar system; polarisation diversity; vertical polarisation; digital television signal; polarisation experimental research; target detection performance; opportunity illuminator; dual-polarised Yagi-Uda antennas; interference polarisation state

Subjects: Radar equipment, systems and applications; Television and video equipment, systems and applications; Signal processing and detection; Antenna arrays

References

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      • 2. Strϕm, K., Svendsen, Ø.L., Finden, E., et al: ‘DVB-T passive radar dual polarization measurements in the presence of strong direct signal interference’. Int. Radar Symp., Prague, Czech Republic, June 2017, pp. 19, doi:10.23919/IRS.2017.8008102.
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http://iet.metastore.ingenta.com/content/journals/10.1049/el.2017.4204
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