spurious signal短语¹⁴⁴⁹⁷²⁺² 基本例句 乱真信号,寄生信号,伪信号 In the modern communication system, it is required that the frequency synthesizer having good spectral characteristics, such as phase noise and spurious signal suppression. 现代通信系统对频率合成源的技术指标提出了越来越高的要求,如相位噪声和杂散抑制等。 cnki