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Measurement of Phase Difference and Direction of Arrival using Time-Modulated Array with General Modulation Parameters
- Authors
- Kim, Geon U; Kim, Jeong Phill
- Issue Date
- Jul-2023
- Publisher
- Institute of Electrical and Electronics Engineers Inc.
- Keywords
- Antenna measurements; Direction-of-arrival (DOA); Direction-of-arrival estimation; Fourier series; Frequency modulation; Harmonic analysis; In-phase and quadrature-phase (IQ) processing; Mathematical models; Offset baseband processing; Radio frequency; Receiving antennas; Spectral components; Time-modulated array (TMA)
- Citation
- IEEE Antennas and Wireless Propagation Letters, v.22, no.7, pp 1557 - 1561
- Pages
- 5
- Journal Title
- IEEE Antennas and Wireless Propagation Letters
- Volume
- 22
- Number
- 7
- Start Page
- 1557
- End Page
- 1561
- ISSN
- 1536-1225
1548-5757
- Abstract
- An extraction method and formulas are proposed for phase difference and direction of arrival (DOA) using a two-element time modulated array with the general modulation parameters. The relevant spectral components are described with the help of a phasor diagram and equations for phase difference and the DOA are derived from the measured magnitude and complex quantities of these spectral components. Issues involving measurement with frequency down-conversion are addressed. Simulations and experiments are performed to evaluate the proposed method and the related theory.
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Related Researcher
- Kim, Jeong Phill
- 창의ICT공과대학 (전자전기공학부)