He headed a group of engineers, whose duty was to develop frequency synthesizers and local generators for frequency hopping spread spectrum and satellite systems.
他还带领一个工程师团队，负责研究用于跳频扩频以及卫星系统的频率合成器和局部发生器。
He headed a group of engineers, whose duty was to develop frequency synthesizers and local generators for frequency hopping spread spectrum and satellite systems.
他还带领一个工程师团队，负责研究用于跳频扩频以及卫星系统的频率合成器和局部发生器。
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