pulse density modulation

例句：

1. 1. In the context of wireless communication, pulse density modulation is used to adjust the transmission power based on the received signal strength.
   在无线通信的背景下，脉冲密度调制用于根据接收到的信号强度调整传输功率。
2. 2. The use of pulse density modulation in radar systems has improved detection accuracy and reduced false alarms.
   雷达系统中脉冲密度调制的使用提高了检测准确性并减少了误报。
3. 3. In medical imaging, pulse density modulation is used to enhance image contrast and improve diagnostic accuracy.
   在医学成像中，脉冲密度调制被用来增强图像对比度并提高诊断准确性。