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Its beamforming focusing direction will change as a function of the range, angle, time, and even the frequency offset [7].
The cancelation was based on combining the range, angle, and Doppler domains in FDA-MIMO-STAP radar.
The factor 5 in (28) shows the number of unknown parameters including range, angle, Doppler frequency, and the complex reflection coefficients of targets.
As noted before, two dictionary matrices H and Θ are constructed based on potential situations of range, angle and Doppler frequency of targets in MIMO radar surveillance area.
Instead, the SLIM, IAA, and SPGL1 have mostly estimated the range, angle, Doppler frequency parameters; however, the former algorithm is more accurate.
Also, simulation results showed that the 2D SLIM outperforms the other algorithms in accurate estimation of range, angle, and Doppler parameters.
Similar(51)
This small frequency increment results in a range angle-dependent beampattern [7,8].
Different from conventional phased array, which provides only angle-dependent beampattern, frequency diverse array (FDA) employs a small frequency increment across the antenna elements and thus results in a range angle-dependent beampattern.
In this paper, for the first time a new type of narrow-range angle sensor based on pseudo-Hall effect is introduced and studied.
This implies that it can be exploited for range-angle localization of targets, but it may produce ambiguous results due to the range-angle coupling beampattern.
As a comparison, Fig. 6 b provides the standard FDA using also uniform transmit weighting coefficients, which produces range-angle-dependent and range-angle coupling transmit beampattern.
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