“spectrum analyzer”的概念、定义、翻译、参考文献-科学参考

单词	spectrum analyzer
释义	spectrum analyzer [`spek·trǝm `an·ǝ´līz·ǝr] ^ENGINEERING Test instrument used to show the distribution of energy contained in the frequencies emitted by a pulse magnetron; also used to measure the Q of resonant cavities and lines, and to measure the cold impedance of a magnetron.
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