A .1300HZ
B .2100HZ
C .1785HZ
D .1615HZ
[单选题]VHFDSC设备中,码元空号对应的频率是:()A . 1615HZB . 1785HZC . 2100HZD . 1300HZ
[单选题]M/HFDSC的码元中,“空号”对应的音频为()A .1415HZB .1500HZC .1785HZD . D.1615HZ
[单选题]VHFDSC的码元中,“传号”对应的音频为()HZ.A .1300B .1785C .1615D . D.2100
[单选题]NBDP的码元中,空号对应的单频为:()A . 1415HZB . 1500HZC . 1785HZD . 1615HZ
[单选题]VHFDSC设备中,码元传号对应的频率是:()A . 1615HZB . 1785HZC . 2100HZD . 1300HZ
[单选题]VHFDSC设备中,码元的传号对应的频率是:()A . 1615HZB . 1785HZC . 2100HZD . 1300HZ
[单选题]NBDP的码元中,“1”对应的音频为()HzA .1415B .1785C .1615D .2100
[单选题]NBDP的码元中,“传号”对应的音频为()HzA .1415B .1785C .1615D .2100
[单选题]M/HFDSC的码元中,“传号”对应的音频为()HZA .1415B .1785C .1615D .2100
[单选题]VHFDSC传输速率为:()A . 100BDB . 100BITC . 1200BITD . 1200BD