| 单词 | inverting parametric device |
| 释义 | inverting parametric device [in`vǝrd·iŋ ¦par·ǝ¦me·trik di`vīs] ELECTRONICS Parametric device whose operation depends essentially upon three frequencies, a harmonic of the pump frequency and two signal frequencies, of which the higher signal frequency is the difference between the pump harmonic and the lower signal frequency. |
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