So digitalizing analog signal is the trend of information technology, in which A/D and D/A plays an important role.
所以模拟信号数字化是信息技术的发展趋势，而A／D和D／A转换器在其中扮演着重要角色。
The according pulse accumulation method is designed and realized, i. e. digitalizing the echo and synchronously accumulating them in RAM.
并设计了先对回波信号进行高速采样然后同步累加进行脉冲积累的方案。
The according pulse accumulation method is designed and realized, i. e. digitalizing the echo and synchronously accumulating them in RAM.
并设计了先对回波信号进行高速采样然后同步累加进行脉冲积累的方案。
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