Optimal trajectory tracking for missiles with Doppler Beam Sharpening radars

Farooq, Asif; Limebeer, D.J.N.

doi:10.23919/ecc.2007.7068539

“…There has been some unclassified research into optimising the trajectory of a missile specifically to perform DBS which is detailed in [28], [29] and [30]. In order for a jammer to create a false target at a desired location within the seeker DBS image, the jammer must know that the seeker is using the DBS mode.…”

Section: Introductionmentioning

confidence: 99%

Deception Jamming Against Doppler Beam Sharpening Radars

Frazer

¹

,

Balleri

²

,

George

³

2020

IEEE Access

7

0

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Missile seekers are becoming increasingly more capable of using Doppler Beam Sharpening (DBS) modes as part of the homing cycle, which requires new countermeasures against this mode. One type of countermeasure, is to create false targets within the seeker DBS image. This paper proposes a jamming technique to generate false targets at a precise location within a seeker DBS image, by both delaying and adding a Doppler shift to received waveforms. The effects of tracking errors on the position of the false target are analysed, both analytically and with simulations and used to assess the practical implementation of the jamming scheme. An experimental DBS system was built to test the effectiveness of the jamming scheme against a platform moving in steps and assess errors caused by incorrectly estimating the seeker trajectory. INDEX TERMS Anti-ship missile, DBS, false targets.

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“…The sub-Nyquist method to create multiple false targets is also used in [27] against an ISAR system which uses Compressive Sensing (CS). There has been some unclassified research into optimising the trajectory of a missile specifically to perform DBS which is detailed in [28], [29] and [30]. In order for a jammer to create a false target at a desired location within the seeker DBS image, the jammer must know that the seeker is using the DBS mode.…”

Section: Introductionmentioning

confidence: 99%

Deception Jamming Against Doppler Beam Sharpening Radars

Frazer

¹

,

Balleri

²

,

Jacob

³

2019

2019 IEEE Radar Conference (RadarConf)

View full text Add to dashboard Cite

Missile seekers are becoming increasingly more capable of using Doppler Beam Sharpening (DBS) modes as part of the homing cycle, which requires new countermeasures against this mode. One type of countermeasure, is to create false targets within the seeker DBS image. This paper proposes a jamming technique to generate false targets at a precise location within a seeker DBS image, by both delaying and adding a Doppler shift to received waveforms. The effects of tracking errors on the position of the false target are analysed, both analytically and with simulations and used to assess the practical implementation of the jamming scheme. An experimental DBS system was built to test the effectiveness of the jamming scheme against a platform moving in steps and assess errors caused by incorrectly estimating the seeker trajectory.

show abstract

“…In the scenario of an Anti-Ship Missile (ASM) attacking a ship, DBS can be used to differentiate valid ship targets and decoys from clutter such as waves or coastline [2] by using the changing Doppler frequencies which can be caused by the missile slightly changing course to create a range of Doppler shifts. Several possible missile trajectories for DBS were proposed in [3] and [4].…”

Section: Introductionmentioning

confidence: 99%