介绍了一种新型数字化终端，他利用数字信号处理器（DSP）及现场可编程门阵列（FPGA）能够实现脉冲应答测距和指令数据接收双重功能。
This paper introduce a sort of new numeric terminal which can use DSP and FPGA to realize double functions, they are distance measure by pulse responsion and incept of dictate data.
在收到停止位之后，设备将通过拉低数据线，生成最后一个时钟脉冲来应答收到的字节。
After the stop bit is received, the device will acknowledge the received byte by bringing the Data line low and generating one last clock pulse.
本文分析了用脉冲法注入示踪剂时示踪剂的分布、时间与应答信号的测量，以及模型参数的回归等方面的种种误差。
The error in experimental determination of RTD derived from tracer pulse injection, digit time and response measurement, and flow model parameter estimation are discussed.
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