4．2飞机供电参数测试系统采样数据的基本处理 4．2．1信号的采样 抽样定理（sampling theory）：若连续信号x（r）是有限带宽的，其频谱的最 高频率为／：＿，XCx（t）抽样时，若保证抽样频率 丘≥2正（或Q，≥2Q。
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采样定理 [数] Sampling Theorem ; Nyquist-Shannon sampling theorem ; Shannon sampling theorem ; Theorem of Sampling
取样定理 cardinal theorem
抽样定理 Sampling Lemma
奈奎斯特抽样定理 Nyquist sampling theorem ; Nyquist Law
惠特克-香农采样定理 Whittaker-Shannon sampling theorem ; Shannon sampling theorem
试样定理 sample theorem
频率抽样定理 [统计] frequency sampling theorem
香农采样定理 Shannon's sampling theorem ; Whittaker-Shannon sampling theorem
时间域采样定理 time domain sampling theorem
公布一个程序的源代码与公布一个定理的证明是一样的。
Publishing the source code of a program is the equivalent of publishing the proof of a theorem.
就像待证明定理的数量没有上限一样，我们也没有理由相信人们在消费新创造的社会财富的能力方面有上限。
There's no reason to believe there is any limit on the amount of newly created wealth consumers can absorb, any more than there is a limit on the number of theorems that can be proven.
它说的是，如果s是一个封闭曲面，这和格林定理是一样的，我们需要完全封闭的。
What it says is if s is a closed surface — Remember, it is the same as with Green's theorem, we need to have something that is completely enclosed.
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