cool

Central South University

Last seen: 2 years 前 | 自 2016 起处于活动状态

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measure phase of a sine wave
your question is not clear

9 years 前 | 0

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Why the phase-phase voltage and current measurement are like this?
your reference point for DC side is not right. to measure the DC side voltage, you should measure the DC+ to DC-, not to the gro...

9 years 前 | 0

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how i can give pulse to gate of IGBT
I make a simple one, you can have a look.

9 years 前 | 0

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Can anyone help me identify why my data for a bandpass filter does not match the theory curve?
how did you get the data of different frequencies? by sweep frequency (eg. 1Hz to 100Hz, 10Hz/s variation)? the filter has some ...

9 years 前 | 0

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how i can give pulse to gate of IGBT
you have to know something. 1. when the DC is 24V, the maximum output voltage(RMS value) is 20V so if you want a 220V volta...

9 years 前 | 0

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Excelのデータから作成したグラフとSimulinkのグラフを同じグラフ上に表示させたい．
maybe you should upload your data and let us know the detail, then we can try to help you.

9 years 前 | 0

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Filtering Noise from a random time domain signal
you can use a lowpass filter to smooth the signal, but it affact you to detecct the peak. FFT is used for periodic signals, and...

9 years 前 | 0