This kind of water meter adopts touching electric brush to convert code position of digital code wheel of water meter into voltage signal which will be input to micro-computer in parallel.
这种水表终端采用接触式电刷将水表字轮各码位转换为电平信号，并将检测的电平信号并行输入单片机。
Mean the use of quantitative methods, will watermark embedded in the audio carrier, 11 Barker Code as a synchronous signal, which was used to positioning embedding position.
水印信息嵌入采用均值量化方法，将水印信息嵌入到载体音频中； 以11位巴克码作为同步标识，定位水印嵌入位置；
In the extract process, through the decoding of the synchronization code to locate the position of the watermark signal embedded in the frame as well as data starting position.
在提取过程中，通过对同步码的解码来定位水印信号嵌入的帧位置以及数据起始位置。
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