| 单词 | infrared heterodyne detector |
| 释义 | infrared heterodyne detector [¦in·frǝ¦red ¦hed·ǝ·rǝ´dīn di`tek·tǝr] ELECTRONICS A heterodyne detector in which both the incoming signal and the local oscillator signal frequencies are in the infrared range and are combined in a photodetector to give an intermediate frequency in the kilohertz or megahertz range for conventional amplification. |
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