质量因数 meaning in English

factor of merit
factor of quality
figure of merit
goodness
quality factor

Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on satellite earth stations - figure - of - merit of receiving system
数字微波无线电发射系统使用设备测量方法.卫星地面站测量方法.接收系统质量因数
Methods of measurement for equipment used in digital microwave radio transmission systems - part 3 : measurements on satellite earth stations - section 7 : figure - of - merit of receiving system
数字微波无线电传输系统设备的测量方法.第3部分:卫星地面站测量方法.第7节:接收系统质量因数