写出图（f）所示各波形信号的函数表达式。[img=171x147]17d570100e5561c.png[/img]
图（f）所示波形信号可表示为以下阶跃函数之和[tex=25.5x5.5]ifE9NWj3X6IpRVSt3T5ITiKWb9byQ9A8Nx0qdK9VGK7XqgIXE0+M7Uw69aldQb84IkWZ2B9ST7oM5YfJeRzpXpV9a8fh+JQeuaHJuqBf7H/OeiY/uIKlPa9gIobMeSkJiPlNqH7tpFOFkjMrWc7fQMw01JyRZh33PCDaGEvEtlnOvqJASu7lTRbPob8yRCu76GLTxeNrfTIZ5XiPP7jjB2jHjhNMAJHGuI8N0SbbDBRwBjokk0aqHzodsY7h+KrTdBhz698OGCnjikTRfkb+uDX1m4s7xhpldHYQpG6E3V05KIN+djYs81kjVwC4ca/brAGEp+po8esbZT4mPqnbfUgUDiBtVnojN+JfFK9Dxt5eTSxXh+d53XKkoHvxdcWHXHLQLtm3q+P6xek7F5XJDzIe7Ps50+x1v65xWkcMR76wfarWbU2nVQV3RoajY8qgmL4rcNdAD9XMyF71T7BR4nvwGjACbq0vo6IbOW6eCs416qdQXeI17uQvvDhcUYyQ[/tex]
举一反三
内容
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写出图示波形信号的函数表达式。[img=340x259]17a3d3d0e59af79.png[/img]
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写出图示波形信号的函数表达式。[img=348x250]17a3d3a21ea4e6f.png[/img]
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写出图示波形信号的函数表达式。[img=325x244]17a3d3ba252b8bb.png[/img]
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信号f(t)波形下图所示，信号f(t)的数学表达式为[img=76x19]17e435da0ebe2e4.jpg[/img]。[img=288x172]17e435da16be273.jpg[/img]
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在图所示各电路中，集成运放的共模信号分别为多少？写出表达式.[img=425x205]1796b133ce7e675.png[/img]