Convolution is a key technique in signal and system analysis, which plays an important role in LTI time and frequency domain analysis.
卷积技术是信号与系统分析的核心技术。它在LTI时域和频域系统分析中起着重要作用。
Low noise fixture and phase average technique provide the amplitude and spurious resonance in frequency domain.
在频率域内，低噪声定位装置和相位平均技术可以提供振幅和假频谐振。
The modulation domain measurement technique is presented simply. The application of modulation domain analyzer in the complicated signal frequency measurement analysis is probed.
对调制域测量技术作了简要介绍，探讨了调制域分析仪在复杂信号频率测量分析上的一些应用。
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