線性調(diào)頻脈沖陣的研究
ANALYSIS FOR LINEAR FM CHIRP PULSE ARRAY
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摘要: 本文以聲吶為例討論了應(yīng)用啾聲(Chirp)信號(hào)于線陣的問(wèn)題。文章研究了在接收機(jī)輸入端混有噪聲的條件下線性調(diào)頻脈沖陣的波束形成的可能性。理論分析和計(jì)算機(jī)模擬表明,系統(tǒng)具有良好的距離分辨率、角度分辨率和高的信噪比增益。
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關(guān)鍵詞:
- 陣波束控制; 信號(hào)處理; 聲吶; 雷達(dá)
Abstract: Taking the sonar case for an example the application of a chirp signal for a linear array is described. In addition to the digitalized phase-correction technique, the array beamforming in the presence of noise is discussed. The theoretical analysis and computer simulation have shown that the system is characterized by the good range resolution and good angular resolution, as well as the high gain in signal-to-noise ratio. -
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