Bandwidth describes the instrument's ability to respond to timevarying signals over a range of frequencies.
带宽说明了仪器在某一频率范围内响应时变信号的能力。
2
A-operator method (AOM) is used to study the influence of the speed ratio and timevarying meshing stiffness on rattling threshold speed of the gear system.
用算符分解算法(AOM)得到了系统的近似解析解，并研究了传动比和时变啮合刚度对拍击门槛转速的影响。
3
If one or more parameters, or the very form of an elemental equation, vary in a known fashion with time, the system is said to be time-varying.