A NEW METHOD FOR JOINTLY ESTIMATION OF DELAY AND DOPPLER FROM AMBIGUITY FUNCTION: COMBINATION OF STOCHASTIC PROCESSES AND SPATIAL PROCESSING FOR NOISE AND CLUTTER SUPPRESSION

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SHOJAEDINI SEYED VAHAB; KABIRI RAHMAN

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Journal: SIGNAL AND DATA PROCESSING Year:2011 | Volume:- | Issue:2 (SERIAL 16) Page(s): 3-12

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Title

A NEW METHOD FOR JOINTLY ESTIMATION OF DELAY AND DOPPLER FROM AMBIGUITY FUNCTION: COMBINATION OF STOCHASTIC PROCESSES AND SPATIAL PROCESSING FOR NOISE AND CLUTTER SUPPRESSION

Author(s)

SHOJAEDINI SEYED VAHAB | KABIRI RAHMAN | Issue Writer Certificate

Keywords

RADARQ2

AMBIGUITY FUNCTIONQ2

DELAYQ2

DOPPLERQ3

CLUTTER AND NOISE SUPPRESSIONQ3

STOCHASTIC PROCESSQ2

TARGET DETECTIONQ2

Abstract

In this paper a new method is introduced for jointly DELAY and DOPPLER estimation in AMBIGUITY FUNCTION based RADARs. In this method firstly each cell of AMBIGUITY FUNCTION is considered as a random variable, and then a STOCHASTIC PROCESS is estimated for each cell based on its value during consecutive RADAR scans. In the second step the AMBIGUITY FUNCTION is divided to high probability target and high probability clutter zones by using parameters of the estimated STOCHASTIC PROCESSes. Finally exact values of DELAY and DOPPLER of RADAR targets is extracted and localized from the divided AMBIGUITY FUNCTION by employing spatial processing techniques.Performance of the proposed method is evaluated in two different scenarios, which the first scenario belongs to high speed targets and in the latter, targets are low speed. The obtained results showed the greater ability of the suggested method in detection both of above types of targets comparing with present approaches. Furthermore it can be shown that the proposed method causes the more considerable improvement in detection of low speed targets than high speed targets comparing with available methods.

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APA: Copy

SHOJAEDINI, SEYED VAHAB, & KABIRI, RAHMAN. (2011). A NEW METHOD FOR JOINTLY ESTIMATION OF DELAY AND DOPPLER FROM AMBIGUITY FUNCTION: COMBINATION OF STOCHASTIC PROCESSES AND SPATIAL PROCESSING FOR NOISE AND CLUTTER SUPPRESSION. SIGNAL AND DATA PROCESSING, -(2 (SERIAL 16)), 3-12. SID. https://sid.ir/paper/160684/en

Vancouver: Copy

SHOJAEDINI SEYED VAHAB, KABIRI RAHMAN. A NEW METHOD FOR JOINTLY ESTIMATION OF DELAY AND DOPPLER FROM AMBIGUITY FUNCTION: COMBINATION OF STOCHASTIC PROCESSES AND SPATIAL PROCESSING FOR NOISE AND CLUTTER SUPPRESSION. SIGNAL AND DATA PROCESSING[Internet]. 2011;-(2 (SERIAL 16)):3-12. Available from: https://sid.ir/paper/160684/en

IEEE: Copy

SEYED VAHAB SHOJAEDINI, and RAHMAN KABIRI, “A NEW METHOD FOR JOINTLY ESTIMATION OF DELAY AND DOPPLER FROM AMBIGUITY FUNCTION: COMBINATION OF STOCHASTIC PROCESSES AND SPATIAL PROCESSING FOR NOISE AND CLUTTER SUPPRESSION,” SIGNAL AND DATA PROCESSING, vol. -, no. 2 (SERIAL 16), pp. 3–12, 2011, [Online]. Available: https://sid.ir/paper/160684/en

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