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.

• 对噪声测量系统 中的关键问题-噪声前置放大电路，文中给出了具体的电路，已通过 计量检测和实际考核，并提出了改进的优化电路。