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Steady-State Performance Analysis of Tracking Filter Using LFM Waveforms and Range-Rate Measurement

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  • Kenshi Saho

Abstract

The steady-state performance of a moving-object tracking filter is theoretically analyzed, assuming the simultaneous measurement of the range and range-rate (RRM system), and the use of linear frequency modulated (LFM) waveforms (RRM-LFM filter). An efficient analytical steady-state performance index, called an RMS index, is derived for the RRM-LFM filter to clarify the steady-state range prediction errors, theoretically. Using the derived RMS index, the optimal performance of the RRM-LFM filter is analyzed. The performance variation due to the use of LFM waveforms is clarified for the RRM tracking system. The theoretical performance analysis verifies that the measured range-rate significantly improves the tracking accuracy, compared to the conventional range-only measuring LFM tracking filter. Furthermore, the quantitative relationships among the measurement accuracy, degree of target maneuvering, and steady-state range prediction errors are clarified to validate the effectiveness of the RRM-LFM filter.

Suggested Citation

  • Kenshi Saho, 2018. "Steady-State Performance Analysis of Tracking Filter Using LFM Waveforms and Range-Rate Measurement," Mathematical Problems in Engineering, Hindawi, vol. 2018, pages 1-10, December.
    • Handle: RePEc:hin:jnlmpe:9487581
    DOI: 10.1155/2018/9487581
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