Recently, some experiments show the existence of prewhirl and reveal the asymmetrical scroll will affect the distribution of prewhirl. 近年來(lái),已有的實(shí)驗結果顯示,離心式通風(fēng)機葉輪進(jìn)口前的氣流預旋確實(shí)存在,而且其分布形式與人們通常的想象有很大不同。
The research indicates that the energy, noise and signal distribution have less influence to the correction method.Correction value is acclimatized to the signal. 研究表明,能量和噪聲的變化對提出的校正方法影響小,校正過(guò)程不受信號分布形式的影響,校正量對信號能量變化具有自適應性。