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on considère le signal x(t) à support borné en -1 et 1: x ( t ) = { − 4 si  − 2 ...

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on considère le signal x(t) à support borné en -1 et 1:

x(t)={4si 2t<0 4si 0t2 0si |t|>2 {"version":"1.1","math":"x(t) = \left\{ \begin{array}{l l} -4 & \quad \text{si $-2\leqslant t < 0$ }\\ 4 & \quad \text{si $0 \leqslant t \leqslant 2$ }\\ 0 & \quad \text{si $ |t|>2$ }\end{array} \right. "}

 

x(t) est

 

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