Saturday, October 21, 2023
Thursday, April 25, 2024
Sunday, March 3, 2024
问题:简述139.264Mbit/s支路信号复用映射进STM-1帧结构...
Sunday, September 11, 2022
问题:样值为444Δ,它属于A律13折线的(=8)()A、第4量化段B、第5量化段C、第6量化段D、第7量化段...
Thursday, March 28, 2024
问题:模拟信号的特点是()A、幅度取值是离散变化的B、幅度取值是连续变化的C、频率取值是离散变化的D、频率取值是连续变化的...
Tuesday, April 2, 2024
问题:A律13折线编码器编码位数越大()A、量化误差越小,信道利用率越低B、量化误差越大,信道利用率越低C、量化误差越小,信道利用率越高D、量化误差越大,信道利用率越高...
Thursday, December 21, 2023
Saturday, September 10, 2022
Thursday, April 25, 2024
问题:若PCM30/32路系统的=7,则1帧中含有的比特数为()A、256B、512C、128D、224...
Saturday, June 10, 2023
Sunday, March 10, 2024
问题:逐次渐近型编码器中,11位线性解码网络的作用是什么?...
Sunday, September 11, 2022
Saturday, September 10, 2022
问题:数字复接的同步指的是被复接的几个低次群的()相同。...
Sunday, September 11, 2022
Thursday, December 21, 2023
Sunday, September 11, 2022
Sunday, September 11, 2022
Saturday, September 10, 2022
问题:再生中继器中调谐电路的作用是()A、放大B、取出时钟成份C、取出时钟成份及其谐波D、均衡...
Thursday, March 28, 2024
Sunday, December 3, 2023