... indirect frequency modulation 间接调频 indirect frequency synthesizer 间接式频率合成器 indirect gap semiconductor 间接带隙半导体 ...
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indirect digital frequency synthesizer 间接式数字频率合成器
indirect t digital frequency synthesizer 间接式数字频率合成器
This paper presents a low phase noise indirect frequency synthesizer, which used in airborne fire control radar and is required to operate in a very harsh environment.
提出了一种间接合成的低相位噪声频率综合器的设计，该频综器用于某机载雷达中，从而要求其在极其恶劣的环境中同样具有良好的性能。
Therefore, the frequency synthesizer works in millimeter wave band is mostly designed and realized by the way of indirect phase lock frequency synthesis, based on specific integrated circuit.
广泛采用的直接数字式频率合成方法，却面临输出频率上限难以提高和输出杂散的难以抑制两个难题。
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