有用信号功率的英文

available signal power

• 有用:    useful; serviceabl ...
• 信号:    signal; semaphore; ...
• 功率:    power; rate of wor ...

例句与用法

1. In new system the error pa can also amplify the original signal , so the performance of whole amplifier system increases . since rf predistorters used in the new system , the linearity and power efficiency can be enhanced
   该技术改变了误差通路中的信号特性，使误差放大器也输出有用信号功率，提高了整个放大系统的性能。