The correspondence of the two different kinds of multi-point noise measurement methods with the airworthiness regulation FAR36 part which is admitted internationally is analysed and studied here.

　
英 美
  • 對噪聲測量系統 中的關(guān)鍵問(wèn)題-噪聲前置放大電路，文中給出了具體的電路，已通過(guò) 計量檢測和實(shí)際考核，并提出了改進(jìn)的優(yōu)化電路。
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