常見(jiàn)例句雙語(yǔ)例句This paper goes on the rolling bearing as the research object, researching the new theories and methods of bearing fault signal feature extraction.本文以滾動(dòng)軸承為研究對(duì)象，應(yīng)用新理論，提出軸承故障信號(hào)特征提取的新方法。First ly, the bearing vibration signal was processed with wavelet packet decomposition . Then, the sub-band with largest normalized energy was reconstructed.然后對(duì)歸一化能量最大的子帶進(jìn)行重構(gòu)，計(jì)算重構(gòu)信號(hào)的樣本熵；zdcs.nuaa.edu.cnHow to diagnose and deal with bearing signal which is gathered on-the-spot is the key problem based on the known of bearing trouble feature parameter and non-trouble one.已知試驗(yàn)軸承的故障特征參數(shù)與非故障特征參數(shù)，采用何種方法對(duì)采自實(shí)際應(yīng)用場(chǎng)合的軸承信號(hào)進(jìn)行判斷和處理是問(wèn)題的關(guān)鍵。權(quán)威例句"It's more psychological than operational as the price of oil has no direct bearing on the price of electricity, " said Michael Carboy of Signal Hill Group.FORBES: Magazine Article 返回 bearing signal