position modulation的用法和样例：
例句
- Carrierless Amplitude and Phase Modulation has emerged as the de facto standard, having captured most of the nascent market to date.
无载波振幅和相位调制正在成为事实上的标准，迄今已占了这个新生市场的大部分。 - Both experimental results and theoretic analyses indicate that steps must be taken to decrease the amplitude of non-linearities in phase modulation.
实验结果与理论分析表明在陀螺应用中必须采取措施抑制非线性相位调制的幅度。
