carrier level meaning in English

载波电平
载波位准

Oc - n : optical carrier level - n
光载波级
In the last , test and optimization of dvb - c modulator system are addressed . methods of test and some items which should be paid attention of digital carrier level and rate of carrier to noise 、 relationship between ber and c / n 、 mer ( modulator error rate ) are given , some test results got by analyzer are all up to dvb - c test standard
给出了数字载波电平与载噪比( c / n ) 、误码率( ber )与载噪比( c / n )关系、调制误码率( mer )测试的方法与测试注意事项,通过分析仪等分析得到结果包括列表和图示,达到了dvb - c规定的各项指标。