作者的主要工作就是设计数字电视发射机中的本振频率源，这是上海明珠公司数字电视发射机开发项目的一个重要部分。
The author's main work is the development of the lo (local oscillator) in DTV transmitter, it is one of the important research projects planned by Shanghai Mingzhu Company.
介绍了用单片机8031与8155 RAM/IO扩展器等构成的计时、计数、记分、大屏幕数字显示等多功能系统?。
The paper introduced the multi—function system of 8031, 8155 RAM/IO single—chip microcomputer such as counting, scoring, screensize digit displaying and etc.
可以说接收机数字化的主要内容就是设计数字化解调器。
The design of digital demodulator plays an important role in digital receiver development.
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