Interference waveform output state monitoring system and monitoring method
The invention discloses an interference waveform output state monitoring system. The system comprises a signal coupling unit, a high-pass filtering unit, a trigger circuit unit and an early warning unit which are connected in sequence, the signal coupling unit is used for coupling out an interferenc...
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| creator | RAO JIAXIANG ZHU LIANG ZHAO HONGYA PANG YONGYONG YIN JUN LI YU ZHAI ENYI CHEN YIGONG HOU DECHAO SUN MINJIE |
| description | The invention discloses an interference waveform output state monitoring system. The system comprises a signal coupling unit, a high-pass filtering unit, a trigger circuit unit and an early warning unit which are connected in sequence, the signal coupling unit is used for coupling out an interference signal output by the test generator and a common-mode interference signal generated when the tested piece works; the high-pass filtering unit is used for filtering out low-frequency common-mode signals of normal work of a tested piece, and reserving signal components with relatively high-frequency and high-frequency characteristics in conducted disturbance waveforms with electrical fast transient pulse train, surge and radio-frequency field induction; the trigger circuit unit is used for comparing the maximum amplitude of the filtered signal with a set threshold value, and if the maximum amplitude of the signal is higher than the set threshold value, a trigger signal is generated; and the early warning unit is us |
| format | Patent |
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| subjects | MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS TESTING |
| title | Interference waveform output state monitoring system and monitoring method |
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