Doppler beam sharpening

例句：

1. 1.The Doppler beam sharpening technique is used to improve the accuracy of radar systems.
   多普勒束锐化技术用于提高雷达系统的精度。
2. 2. The engineers are using this new Doppler beam sharpening algorithm to enhance the system's performance.
   工程师们正在使用这个新的多普勒束锐化算法来提高系统的性能。
3. 3.The Doppler beam sharpening method has been proven to be effective in reducing noise interference in communication systems.
   多普勒束锐化方法已被证明在通信系统中有效减少噪声干扰。