Officers demand a $9 bribe if a lorry driver’s papers are in order and multiples of that if not.
文件齐全的卡车司机过站要缴纳9美元的过路费,不齐全的则要成倍缴纳。
Using Circle Diagram Analysis, the following conclusion can be obtained: To filtrate an integral order harmonic the sampling frequency must be the integral multiples of 4.
利用圆图分析法可得出采样频率需为4的整数倍才可滤除整次谐波的结论。
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