特别是日本企业在我国大力推广QR码标准，已经获得了硬件设备的垄断地位。
In particular, the Japanese companies in China to promote QR code standards, has been the monopoly of hardware devices.
提出了两种硬件实现的BC d码和二进制码的相互转换算法。
This paper presents two kinds of algorithm for conversion between BCD code and binary code.
为了从接收到的PCM码中还原出原始信号，阐述了一种由硬件实现帧同步，由串并转换器完成PCM码解调器的高速PCM码解调器电路。
This paper presents a high speed PCM demodulation circuit through which the serial parallel converter plays a role of demodulating and the hardware realizes frame synchronization.
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