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High Resolution Dir...
High Resolution Direction of Arrival Estimation Methods Applied to Measurements from a Digital Array Antenna
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- Björklund, Svante (författare)
- Swedish Defence Research Agency (FOI ), SWE
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- Heydarkhan, Amir (författare)
- Swedish Defence Research Agency (FOI ), SWE
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(creator_code:org_t)
- IEEE Signal Processing Society, 2000
- 2000
- Engelska.
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Ingår i: First IEEE Sensor Array and Multichannel Signal Processing Workshop (SAM 2000). - : IEEE Signal Processing Society. ; , s. 464-468
- Relaterad länk:
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https://urn.kb.se/re...
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visa fler...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- At the Defence Research Establishment of Sweden (FOA) an experimental S-band receiving digital array antenna for radar applications has been designed and built. It consists of a horizontal uniform linear array (ULA) of 12 antenna elements, whose digitized signals are processed in non-real time in a computer. Accurate calibration is utilized.We have compared several spectral and parametric direc- tion-of-arrival (DOA) estimation methods for varying DOA separations, number of samples and signal-to-noise ratios (SNR) on measured data from an anechoic cham- ber.At ideal conditions the resolution can be improved con- siderably with model based DOA methods compared to conventional beamforming. We achieved a resolution 1below /10 of the resolution of conventional beamforming.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Publikations- och innehållstyp
- ref (ämneskategori)
- kon (ämneskategori)