图20描述了漏源极电压主要原理产生的电磁干扰频谱。
The spectra of the main elements of the drain-source voltage can be found in Fig. 20.
通过频谱感知和认知引擎技术提取窄带干扰频谱特征作为陷波器的设计依据。
Through the spectrum sensing and cognitive engine technology, the characteristics of narrowband interference signal is extracted, which is the rule to design the trap filter.
根据中频带通采样雷达噪声频谱在线监测方法，实现环境噪声和外部干扰频谱在线监测。
According to method inspecting on-line of noises spectrum in the IF-sampling radar. Realised that inspecting noises and interference of environment on-line.
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