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- W4387048637 abstract "The traditional phased array radar is unable to distinguish mainlobe deceptive interference from the true target when they share an identical angle. To address this issue, a method is developed to suppress the interference in the joint transmit–receive–Doppler frequency domain, using secondary compensation and quadratic phase code (QPC) with the frequency diversity array multiple-input multiple-output (FDA-MIMO) radar. The QPC technique is employed by encoding the transmitted pulses in various spatial channels, which extends the degrees-of-freedom (DOFs) of the system. To distinguish and suppress the false targets behind the true target by at least one pulse, Doppler compensation is performed and Doppler filters are employed. To distinguish the fast-generated false targets, which are located in the same pulse with the true target, the spatial frequency compensation is implemented, which equivalently relocates the mainlobe interference to the sidelobes. Via the singular spectrum analysis (SSA) technique and the data-dependent beamforming, the interferences within the ambiguity region are suppressed. Simulation results verify the effectiveness of the method." @default.
- W4387048637 created "2023-09-27" @default.
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- W4387048637 date "2023-09-26" @default.
- W4387048637 modified "2023-10-16" @default.
- W4387048637 title "A Method to Suppress Interferences Based on Secondary Compensation with QPC-FDA-MIMO Radar" @default.
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- W4387048637 doi "https://doi.org/10.3390/rs15194711" @default.
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