channel bit meaning in Chinese

信道信号位

Because of huge data quantum and high demand of channel bit error rate for video transmission , and fallibility , time variability and limited band of wires channel , wireless video system is faced with lots of problems
由于视频业务的数据量大、对误比特率要求高，无线信道又具有易错、时变和带限的特点，因此信道的误比特率要比有线环境大得多，且随着基站和终端位置、方向的改变而变化很大。