基于無人平臺的水下目標自動檢測方法
發(fā)布時間:2018-08-19 09:26
【摘要】:在水下復雜的聲場環(huán)境中,對水聲目標的自動檢測技術(shù)是無人平臺自主探測的基礎(chǔ),具有重要的研究價值。針對無人平臺自噪聲在聲場中對目標檢測的干擾,提出了一種結(jié)合峰值信息與梯度信息的目標峰值判決方法;針對由于干擾信號以及信噪比低造成的目標航跡信息缺失現(xiàn)象,設(shè)計了一種基于自適應區(qū)域生長的航跡修復方法,改善目標航跡的質(zhì)量;基于檢測前跟蹤思想,利用霍夫變換獲取方位歷程圖中目標航跡信息的提取與估計。使用上述方法對實驗數(shù)據(jù)進行處理,較為有效地抑制了載體平臺自噪聲、環(huán)境噪聲、雜波等的干擾,完成無人干預條件下目標的自動檢測,取得了預期的效果。
[Abstract]:In complex underwater acoustic environment, automatic detection of underwater acoustic targets is the basis of autonomous detection of unmanned platforms, and has important research value. A track repair method based on adaptive region growing is designed to improve the quality of the target track. Based on the idea of tracking before detection, the target track information in the azimuth histogram is extracted and estimated by Hough transform. Therefore, the interference of carrier platform self-noise, ambient noise and clutter is effectively suppressed, and the automatic target detection under the condition of no interference is completed, and the expected effect is achieved.
【作者單位】: 中國科學院聲學研究所;
【基金】:國家“863”計劃項目(Y212051211)
【分類號】:TB56
[Abstract]:In complex underwater acoustic environment, automatic detection of underwater acoustic targets is the basis of autonomous detection of unmanned platforms, and has important research value. A track repair method based on adaptive region growing is designed to improve the quality of the target track. Based on the idea of tracking before detection, the target track information in the azimuth histogram is extracted and estimated by Hough transform. Therefore, the interference of carrier platform self-noise, ambient noise and clutter is effectively suppressed, and the automatic target detection under the condition of no interference is completed, and the expected effect is achieved.
【作者單位】: 中國科學院聲學研究所;
【基金】:國家“863”計劃項目(Y212051211)
【分類號】:TB56
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