Abstract This paper extracted the futures of collected radiated noise of running vehicles by AR model firstly, then opted features by hypothesis test, and carried out classification by BP-NN.
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- 摘要 本文首先利用AR參數模型提取采集到的車(chē)輛行駛時(shí)產(chǎn)生的車(chē)外噪聲信號的特征，然后利用假設檢驗進(jìn)行特征選擇，并設計了BP神經(jīng)網(wǎng)絡(luò )進(jìn)行分類(lèi)識別。
