Thursday, March 7, 2024
Tuesday, April 30, 2024
Tuesday, April 30, 2024
Tuesday, April 30, 2024
Tuesday, April 30, 2024
Sunday, March 3, 2024
Sunday, March 3, 2024
设PCM编码器的最大输入信号电平范围±2048mV,最小量化台阶为1mV,试对一电平为+1357mV的取样脉冲进行13折线A压扩律PCM编码,并分析其量化误差。...
Tuesday, April 30, 2024
简述传码率,传信率,误码率,误信率的定义,单位分别是什么?...
Tuesday, April 30, 2024
Thursday, March 7, 2024
下列通信介质中,传输频率最高的介质是()A、双绞线B、同轴电缆C、地面微波D、光纤...
Sunday, March 3, 2024
Tuesday, April 30, 2024
下列通信介质中,传输频率最高的介质是()A、双绞线B、同轴电缆C、地面微波D、光纤...
Sunday, March 3, 2024
Tuesday, April 30, 2024
Tuesday, February 27, 2024
Tuesday, April 30, 2024
数字基带信号经过()之后变成了()信号,可以在带通信道中传输。...
Tuesday, April 30, 2024
Tuesday, April 30, 2024
Thursday, March 7, 2024
Tuesday, April 30, 2024