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S-method (SM) is an effective time-frequency distribution for multi-component analysis. It keeps high time- frequency resolution and removes cross-term among components. So, this paper applies SM to process multi-component emitter signals. First, the factors that affect the performance of SM are discussed. Then, an on-line multi-component emitter signal analysis method is given to process the intercepted...
Analyzing time frequency (TF) distribution of multi-component signals with noise is an important issue in signal processing of many applications. S-method (SM) is an effective multi-component TF distribution and easy to implement, but it is sensitive to noise. Aiming at the characteristics of SM, a smoothed SM (SSM) time frequency analysis method is proposed to analyze the noisy signals. SSM is a...
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