An 87 channel signal simulator with various type static signals was designed. The signal types include large amplitude signals such as simulated noise and vibration signals, small amplitude signals such as simulated temperature and thermal couple signals, as well as resistance signal simulating strain parameter.
设计了一种87通道的多类型静态信号模拟器,信号类型包括模拟噪声、振动参量的大信号和模拟温度参量的热点偶小信号以及模拟应变参量的电阻性信号。
using a nah experimental system for airborne sound constructed in our own laboratory we successfully obtained the vibration modes and acoustic intensity vector field for several typical objects, in which the chime stone simulator has a special shape, and it is studied for the first time.
利用自建的实验系统,成功获得典型振动体,特别是首次获得具有特殊形状的模拟编磬在不同频率下的振模及其相应的空间矢量声强分布。
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