SNR Improvement in Semi-active Tracking Radar Using Signal Parameters Estimation

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HEYDARI K.; AZMI P.; ABBASI ARAND B.

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Journal Paper

Paper Information

Journal: JOURNAL OF RADAR Year:2018 | Volume:5 | Issue:4 Page(s): 49-60

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Title

SNR Improvement in Semi-active Tracking Radar Using Signal Parameters Estimation

Author(s)

HEYDARI K. | AZMI P. | ABBASI ARAND B. | Issue Writer Certificate

Keywords

EstimationQ2

Short time-Frequency TransformQ1

Doppler CompensationQ1

Matched FilterQ1

Abstract

In continuous wave (CW) radar systems, the efficiency of semi-active chaser receiver in the tracking of target is of paramount importance. In a situation where the target and chaser have variable speed (accelerated motion) relative to one another, in the semi-active chaser receiver, the received signal has time varying Doppler frequency shifts. In this paper, semi-active receiver with hierarchical features first acquires an Estimation of the parameters of the received signal using the Short time-Frequency Transform (STFT) at the time of the acceleration of the target or chaser. Then, mono-pulse angular tracking accuracy is tested using a Matched Filter based on the estimated parameters of the received signal. Eventually, providing the required simulation, the proposed method is compared with “ maximum signal spectrum” and “ average signal spectrum” methods. The results imply that the Matched Filter-based algorithm has a better performance than other algorithms.

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APA: Copy

HEYDARI, K., AZMI, P., & ABBASI ARAND, B.. (2018). SNR Improvement in Semi-active Tracking Radar Using Signal Parameters Estimation. JOURNAL OF RADAR, 5(4 ), 49-60. SID. https://sid.ir/paper/244199/en

Vancouver: Copy

HEYDARI K., AZMI P., ABBASI ARAND B.. SNR Improvement in Semi-active Tracking Radar Using Signal Parameters Estimation. JOURNAL OF RADAR[Internet]. 2018;5(4 ):49-60. Available from: https://sid.ir/paper/244199/en

IEEE: Copy

K. HEYDARI, P. AZMI, and B. ABBASI ARAND, “SNR Improvement in Semi-active Tracking Radar Using Signal Parameters Estimation,” JOURNAL OF RADAR, vol. 5, no. 4 , pp. 49–60, 2018, [Online]. Available: https://sid.ir/paper/244199/en

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