單項(xiàng)選擇題若收斂坐標(biāo)落于原點(diǎn),S平面有半平面為收斂區(qū),則()

A. 該信號(hào)是有始有終信號(hào)
B. 該信號(hào)是按指數(shù)規(guī)律增長(zhǎng)的信號(hào)
C. 該信號(hào)是按指數(shù)規(guī)律衰減的信號(hào)
D. 該信號(hào)的幅度既不增長(zhǎng)也不衰減而等于穩(wěn)定值,或隨時(shí)間t,tn成比例增長(zhǎng)的信號(hào)


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