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- W2382184329 abstract "In order to overcome the difficulty of a four-dimensional display in traditional line spectrum detection,regarding the fact that the radiated noise of a passive target contains a highly intensive and stable line spectrum,an array processing method for detecting targets with line spectrums was proposed.The estimation of the variance of instantaneous frequency with short-time Fourier transformation was theoretically analyzed,and was integrated with steered minimum variance(STMV) beamforming.Through weighting beam output with its own variance of instantaneous frequency,the detection capacity of original beamforming to the line spectrum target was effectively enhanced.The sea trial results indicate its validity and feasibility,and show that the variance of an instantaneous frequency weighted steered minimum variance beamforming detector is able to detect a weak line spectrum target in the background of multitudinous and strong interference." @default.
- W2382184329 created "2016-06-24" @default.
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- W2382184329 date "2011-01-01" @default.
- W2382184329 modified "2023-09-24" @default.
- W2382184329 title "Variance of instantaneous frequency-weighted steered minimum variance beamforming detector" @default.
- W2382184329 hasPublicationYear "2011" @default.
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