功率噪声 zero power: 零功率零屈光度; 零位会聚度noise power: 杂讯功率; 躁声功率; 噪声功率zero modulation noise: 零调制噪声zero-modulation noise: 零调制杂音carrier power to noise power ratio: 载波功率与噪声功率比下载手机词典可随时随地查词查翻译