multicomponent signal中文什么意思

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however, wigner-ville distribution is n't enough effective applied to multicomponent signals processing for existing crossed items, sometimes signal items completely ca n't be distinguished from distribution for serious disturbance of crossed items . in addition, we can utilize the wigner-ville distribution to reduce the random noise of signals in that wigner-ville distribution is n't enough sensitive to noise . in theory, radon-wigner transform of lfm signals produces a distinct maxima ( peak ) in the radon-wigner plane, so it describe effectively the feature of the lfm signals and suppress effectively the crossed items along with wigner-ville distribution . we can utilize the radon-wigner transform to reduce the random noise of lfm signals in that the noise distrbute as dot at random in the radon-wigner plane
另外，維格納-威利分布是完全有噪的，但它對(duì)噪聲是不敏感的，因此可以利用維格納-威利分布實(shí)現(xiàn)對(duì)含噪信號(hào)的去噪處理。理論上線性調(diào)頻信號(hào)的radon-wigner變換在radon-wigner平面上以尖峰形式表現(xiàn)，因此radon-wigner變換能夠有效描述線性調(diào)頻信號(hào)的物理特征，抑制在維格納-威利分布中產(chǎn)生的交叉項(xiàng)。在radon-wigner平面中隨機(jī)噪聲是呈點(diǎn)狀隨機(jī)散布開的，因此利用radon-wigner變換還能對(duì)含噪線性調(diào)頻信號(hào)進(jìn)行去噪處理。

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