基本解释

• [天文学]射电频谱仪

英汉例句

双语例句

• Because traditional radio monitoring system is composed of a spectrum analyzer and a single or a multi channel receiver, system performance and automation has been restricted greatly.
  传统的监测系统采用单信道或多信道数字监测接收机和频谱分析仪构成，系统性能和自动化程度受到较大限制。
• Spectrum of the amplitude-modulated wave is observed by a radio frequency spectrum analyzer and amplitude values of every spectrum are recorded at the upper sideband or lower sideband.
  用射频频谱分析仪观测一个已调波的频谱成分，记录上边带或下边带中各条谱线的幅度值，从而可以根据有关算式计算出调制信号（音频信号）的失真度。

专业释义

天文学

• 射电频谱仪