Real Inverse DFT 合成运算方法
Before jumping into the complex math, let's review the real DFT with a special emphasis on things that are awkward with the mathematics.
在讲复数运算之前，我们先来回顾一下实数离散傅里叶变换，强调一下它在某些情况下数学上很笨拙。
The MPs also said that the DfT failed to seek stricter emissions limits in new tests that will include real-world driving.
埃尔曼表示说，运输部没有在包括真实驾驶的新测试中采取更加严格的排放限制标准。
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