The fault diagnosis of liquid rocket engine can be considered as a problem of mode identification , the task of which is to divide samples into mode types by obtained characteristics 液體火箭發(fā)動(dòng)機(jī)故障診斷可視為一個(gè)模式識(shí)別問題,模式識(shí)別的任務(wù)是利用從樣本中提取出的特征,將樣本劃分成相應(yīng)的模式類別。