二维宽带MIMO雷达发射方向图综合方法

doi:10.3969/j.issn.1001-2400.2013.03.027

Abstract

Abstract:

For matching the desired transmit beampattern of the two dimensional(2-D) wideband MIMO radar system, a new transmit beampattern synthesis and waveform design algorithm is proposed based on the frquency invariant beamforming. In this algorithm, to eliminate any dependency on frequency of the emiting waveform, the 2-D fourier relationship between uniform rectangular array(URA) transmit beampattern and spectrum of emiting waveform is used. Then the cost function of waveform matching frequency response is established, which imposes a constraint on constant modulus. Finally, the alternating matrix fitting method is used to design unimodular sequences. The proposed method effectively mitigates frequency dispersion of the 2-D wideband MIMO radar transmit beampattern. Numerical simulations have proved the validity of this algorithm.

Key words: MIMO radar, wideband, transmit beampattern synthesis, uniform rectangular array(URA)

CLC Number:

TN957.51

YANG Tao;SU Tao;ZHANG Wang. Transmit beampattern synthesis and waveform design for 2-D wideband MIMO radar[J].J4, 2013, 40(3): 180-187.

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Transmit beampattern synthesis and waveform design for 2-D wideband MIMO radar

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