zero channel threshold

例句：

1. 1.The new system has a zero channel threshold, which means it can detect any signal at all frequencies.
   新系统有一个零通道阈值，这意味着它可以检测任何频率的信号。
2. 2. In this experiment, we found that the zero channel threshold is very important for the detection of weak signals.
   在这个实验中，我们发现零通道阈值对于检测微弱信号非常重要。
3. 3. The researchers have developed a new method to reduce the zero channel threshold, which could greatly improve the accuracy of the system.
   研究人员已经开发出一种新的方法来降低零通道阈值，这可能会大大提高系统的准确度。