1 著名的Nyquist采样定理尽管大家都知道，但还是提一提。大牛奥本海姆的《信号与系统》中是这样描述的：Let x(t) be a band-limited signal with X(jw) = 0 for |w|> wM. Then x(t) is uniquely determined by its samples x(nT),n=1,±1,±2,...,i...
1 著名的Nyquist采样定理尽管大家都知道，但还是提一提。大牛奥本海姆的《信号与系统》中是这样描述的：Let x(t) be a band-limited signal with X(jw) = 0 for |w|> wM. Then x(t) is uniquely determined by its samples x(nT),n=1,±1,±2,...,if...
