All the conventional vibrators use the sweep signal of which the instantaneous frequency shows linear change with time.
常规可控震源都是采用瞬时频率随时间线性变化的扫描信号。
Advantages of the rapid frequency sweep technique for dynamic characteristics research of the linear system are also described.
特别对用快速正弦扫频试验方法研究线性系统动态特性的比点做了必要的说明。
A description is given, in particular, of the advantages of the rapid frequency sweep technique for the research on the dynamic characteristics of a linear system.
特别对用快速正弦扫频试验方法研究线性系统动态特性的优点做了必要的说明。
A description is given, in particular, of the advantages of the rapid frequency sweep technique for the research on the dynamic characteristics of a linear system.
特别对用快速正弦扫频试验方法研究线性系统动态特性的优点做了必要的说明。
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