Friday, September 16, 2022
Monday, September 12, 2022
问题:进行语音通信交换系统的系统参数备份时,生成的文件扩展名是()。...
Monday, September 12, 2022
问题:语音通信交换系统操作席位与主系统连接传输方式是()。...
Monday, September 12, 2022
问题:在二次雷达原理中,和、差比值的作用说法正确的是()。...
Friday, September 16, 2022
Thursday, September 15, 2022
Friday, September 16, 2022
问题:ACARS通信系统采用的信道管理方式是()A、CSMAB、TDMAC、FDMAD、CDMA...
Tuesday, November 22, 2022
问题:多普勒信标天线阵直径决定了DVOR的30Hz调频信号的()...
Thursday, September 15, 2022
Thursday, September 15, 2022
问题:若某功放前级是100倍,后级是20倍,那么总功率放大倍数是2000倍。...
Thursday, November 23, 2023
问题:通常把()和()作为衡量半导体储存器性能的重要指标。...
Friday, September 16, 2022
问题:在ISO的OSI模型中,提供端到端可靠的透明的数据传输及其差错恢...
Friday, September 16, 2022
问题:协议分析仪Del.Label和Del.Line命令都可以去除标号...
Friday, September 16, 2022
问题:微波通信系统的室内单元完成业务接入、业务调度、复接和调制解调等功...
Thursday, September 15, 2022
问题:RS-423是采用单端发送器和差分接收器的物理层接口标准。...
Friday, September 16, 2022
Thursday, September 15, 2022
Friday, September 16, 2022
问题:ADSL用户速率为上行:512Kbps-1Mbps,下行()。...
Thursday, September 15, 2022
问题:为了减少飞机广播参数的数量和长度,在ADS-B机载设备中,HPL...
Friday, September 16, 2022