Mitigating range ambiguity in high PRF radar using inter-pulse binary coding

Nadav Levanon

doi:10.1109/TAES.2009.5089550

Mitigating range ambiguity in high PRF radar using inter-pulse binary coding

Nadav Levanon^*

^*Corresponding author for this work

Department of Electrical Engineering - Systems

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Abstract

The paper proposes a way to increase the energy within a coherent processing interval (CPI) using more pulses instead of longer pulses. Long coded pulses result in masking targets at close range and poor Doppler tolerance. Increasing the number of pulses implies high pulse repetition frequency (PRF), which suffers from range ambiguity and target folding. These drawbacks of a high PRF can be mitigated by inter-pulse coding. The approach suggested here should be attractive for close and mid range applications of radar, ground penetrating radar, ultrasound imaging, and more.

Original language	English
Pages (from-to)	687-697
Number of pages	11
Journal	IEEE Transactions on Aerospace and Electronic Systems
Volume	45
Issue number	2
DOIs	https://doi.org/10.1109/TAES.2009.5089550
State	Published - 2009

Keywords

Data mining
Delay
Doppler effect
Encoding
Matched filters
Radar
Receivers

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10.1109/TAES.2009.5089550

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AB - The paper proposes a way to increase the energy within a coherent processing interval (CPI) using more pulses instead of longer pulses. Long coded pulses result in masking targets at close range and poor Doppler tolerance. Increasing the number of pulses implies high pulse repetition frequency (PRF), which suffers from range ambiguity and target folding. These drawbacks of a high PRF can be mitigated by inter-pulse coding. The approach suggested here should be attractive for close and mid range applications of radar, ground penetrating radar, ultrasound imaging, and more.

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KW - Delay

KW - Doppler effect

KW - Encoding

KW - Matched filters

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KW - Receivers

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Mitigating range ambiguity in high PRF radar using inter-pulse binary coding

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