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单项选择题测一个f=200Hz的信号频率,采用测频法(T=1S)和测周法(Ts=0.1μS),由量化误差引起的测量误差的绝对值分别为()。

A、0.005%,0.002%

B、0.005%,0.2%

C、0.5%,0.2%

D、0.5%,0.002%

  • D
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