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发表于 2016-10-19 17:17:56
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本帖最后由 skeyer 于 2016-10-19 18:03 编辑
摘录一段原文：
Specifies whether noise is to be injected at a constant time step(fmax) or the Spectre solver time step is to be used(step).
Injecting noise at a constant time step is suitable when the value of noisefmax is larger than the bandwidth of all signals in the circuit, and simulation time step is effectively controlled by noise.
Olny one noise frequency is updated at each time step.
If the badwidth of some of the signals exceeds noisefmax, which forces the simulator to take steps smaller than noisetmin, then noise should also be injected at each time step between the regular noise updates. In this case, all noise frequencies are updated at each time step.
简而言之：选step小的那个。 |
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