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jacket114111

金虫 (小有名气)

[求助] 电力专业外语,1句话,求学霸帮忙!!!谢谢

In general, any signal x∈X can be represented by a linear combination (finite or infinite) of signals gk, provided that the set of signals gk, forming the dictionary D, spans the space X, or, in other words, is complete
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