A method to improve the range resolution in stepped frequency continuous wave radar

Paweł Kaczmarek

doi:10.1117/12.2316766

19 April 2018 A method to improve the range resolution in stepped frequency continuous wave radar

Paweł Kaczmarek

Proceedings Volume 10715, 2017 Radioelectronic Systems Conference; 107150C (2018) https://doi.org/10.1117/12.2316766
Event: Radioelectronics Systems Conference, 2017, Jachranka, Poland

Abstract

In the paper one of high range resolution methods – Aperture Sampling – was analysed. Unlike MUSIC based techniques it proved to be very efficient in terms of achieving unambiguous synthetic range profile for ultra-wideband stepped frequency continuous wave radar. Assuming that minimal distance required to separate two targets in depth (distance) corresponds to -3 dB width of received echo, AS provided a 30,8 % improvement in range resolution in analysed scenario, when compared to results of applying IFFT. Output data is far superior in terms of both improved range resolution and reduced side lobe level than used typically in this area Inverse Fourier Transform. Furthermore it does not require prior knowledge or an estimate of number of targets to be detected in a given scan.

Citation Download Citation

Paweł Kaczmarek "A method to improve the range resolution in stepped frequency continuous wave radar", Proc. SPIE 10715, 2017 Radioelectronic Systems Conference, 107150C (19 April 2018); https://doi.org/10.1117/12.2316766

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