Phase modulated resolvers can be used to model the relation between the sidereal time right ascension and the hour angle.

工作在调相状态下的旋转变压器可以用其相位模拟恒星时与赤经、时角的关系。

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Phase Angle Phase Angle refers to the relation between two sine waves which do not pass through zero at the same time.

相角相角指的是两个不同时经过零点的正弦波之间的关系。

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Site test proves that this design meets the demand of phase angle measuring system for real-time data processing.

经现场实际测试，该设计方式能够满足全网发电机功角监测的实时数据处理要求。

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Phasor measurements track the amount of stress placed on the electric power grid by providing granular data about frequency, voltage and phase angle conditions in real-time.

FORBES: Can GridEye Save America's Power Grid?