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统计学

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how to find the dft for inrush current in transformer ?
i am try to use dft or fft to find the frequency of inrush current of transformer that i measured from an experiment, i used fft...

9 years 前 | 0 个回答 | 0

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does student version R2014a has a powergui ?
i am looking for powergui of R2014a student version but i can not found it in this version. i was used it in 2013 version. i wa...

10 years 前 | 1 个回答 | 0

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how to find ascending and descending of hysteresis loop?
I had ploted tow vectors: current=[........]; flux=[.........], which is hysteresis loop. plot(current,flux) I want to find th...

10 years 前 | 1 个回答 | 1

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sympathetic inrush current with two transformer
i drew a circuit consist of two transformer, when i run the simulation it showed me the steady state solution in output scope fo...

10 years 前 | 0 个回答 | 0

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Operands to the || and && operators must be convertible to logical scalar values. Error in logspace (line 23) if d2 == pi || d2 == single(pi)
i forgot to tell you this error: Operands to the || and && operators must be convertible to logical scalar values. Error in l...

10 years 前 | 0

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Operands to the || and && operators must be convertible to logical scalar values. Error in logspace (line 23) if d2 == pi || d2 == single(pi)
i have a vector of current and vector of voltage , i want to get logarithmic samples from both vectors instead of equally spaces...

10 years 前 | 3 个回答 | 0

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