Study on velocity measurement of stepped-frequency pulse train radar signals

Yunxia Bao; Peikun He; Erke Mao

doi:10.1117/12.716917

24 October 2006 Study on velocity measurement of stepped-frequency pulse train radar signals

Yunxia Bao, Peikun He, Erke Mao

Proceedings Volume 6357, Sixth International Symposium on Instrumentation and Control Technology: Signal Analysis, Measurement Theory, Photo-Electronic Technology, and Artificial Intelligence; 635711 (2006) https://doi.org/10.1117/12.716917
Event: Sixth International Symposium on Instrumentation and Control Technology, 2006, Beijing, China

Abstract

The Doppler effects caused by radar-target relative motion is one of the central problems in SF Radar, which cause range-velocity coupling and wave distortions. Extensive research is being carried out on various velocity compensation methods, such as varieties rate of range, Min-Entropy, PD processing and correlation methods. However, these methods have different velocity ambiguity and velocity measurement precisions. This paper presents a new method to estimate velocity, which can resolve the problem of ambiguous velocity by PD processing. Firstly, the waveforms of Stepped-frequency pulse trains and PD Processing methods are analyzed. The relation between unambiguous velocity range, precision and signal parameters is discussed. Then, a new algorithm is developed to achieve wide unambiguous velocity and high anti-noise performance, which is similar with the principle of multiple PRFs in Pulsed Radar. Based on parameters in some radar, the algorithm is evaluated. The simulation results confirm the above mentioned achievements.

Citation Download Citation

Yunxia Bao, Peikun He, and Erke Mao "Study on velocity measurement of stepped-frequency pulse train radar signals", Proc. SPIE 6357, Sixth International Symposium on Instrumentation and Control Technology: Signal Analysis, Measurement Theory, Photo-Electronic Technology, and Artificial Intelligence, 635711 (24 October 2006); https://doi.org/10.1117/12.716917

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KEYWORDS

Doppler effect

Radar

Velocity measurements

Algorithm development

Monte Carlo methods

Signal to noise ratio

Detection and tracking algorithms

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