system noise figure

例句：

1. 1.The noise figure of the new speaker is significantly better than its predecessor.
   这款新扬声器的噪声系数明显优于前代产品。
2. 2.The engineer used a sophisticated algorithm to optimize the system noise figure.
   工程师使用了一个复杂的算法来优化系统的噪声系数。
3. 3. The team worked tirelessly to reduce the system noise figure and improve overall performance.
   团队不懈努力，以降低系统噪声系数并提高整体性能。