若函数<img src='https://img2.soutiyun.com/ask/2020-08-13/966178131180276.png' />,则<img src='https://img2.soutiyun.com/ask/2020-08-13/966178120045639.png' />。().此题为判断题(对,错)。
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设f(x)为连续函数,且满足等式<img src='https://img2.soutiyun.com/shangxueba/ask/51381001-51384000/51383367/97672305236883.png' />则<img src='https://img2.soutiyun.com/shangxueba/ask/51381001-51384000/51383367/976723063701479.png' />=().
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若f(x)为连续函数,且F'(x)=f(x),则<img src='https://img2.soutiyun.com/ask/2020-08-13/966175500936834.png' />().此题为判断题(对,错)。
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分别用74LS153实现逻辑函数<img src='https://img2.soutiyun.com/ask/2020-08-20/966791648450497.png' />
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已知f(x)的原函数为<img src='https://img2.soutiyun.com/shangxueba/ask/18741001-18744000/18743910/2016071616173232033.jpg' />=()<img src='https://img2.soutiyun.com/shangxueba/ask/18741001-18744000/18743910/2016071616172745358.jpg' />
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若<img src='https://img2.soutiyun.com/latex/latex.action' />,<img src='https://img2.soutiyun.com/latex/latex.action' />试证明时域卷积定理<img src='https://img2.soutiyun.com/latex/latex.action' />和频域卷积定理<img src='https://img2.soutiyun.com/latex/latex.action' />
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证明:若f为函数,则<img src='https://img2.soutiyun.com/ask/2020-08-12/966099742187747.png' />
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系统的传递函数为<img src='https://img2.soutiyun.com/shangxueba/ask/17991001-17994000/17992371/2018032817055661358.jpg' />,则其幅频特性为()。<img src='https://img2.soutiyun.com/shangxueba/ask/17991001-17994000/17992371/2018032817060729748.jpg' />
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