in-phase component

例句：

1. 1. The in-phase component of the signal is responsible for its frequency content.
   信号的同相分量负责其频率内容。
2. 2. In-phase and quadrature components are essential for understanding the behavior of a digital signal.
   同相和正交分量对于理解数字信号的行为至关重要。
3. 3. The in-phase and quadrature components of the signal were measured using an oscilloscope.
   使用示波器测量了信号的同相和正交分量。