To overcome this problem, we think to digitized the signal at medium frequency, even RF, and then demodulate it in digital domain.
为克服这一问题，人们考虑在中频，甚至射频就对信号数字化，再在数字域内进行解调。
参考来源 - 高速数据采集系统的研制·2,447,543篇论文数据，部分数据来源于NoteExpress
N a radio-frequency band or radio frequency lying between 3000 and 300 kilohertz (无线电)中波段 ( abbr: MF)
A long field running of the medium-frequency power supply shows that the control system presented in this paper greatly improves its stability and quality.
长期的现场运行表明，这一控制系统大大提高了电源的可靠性及中频电源产品质量。
Medium frequency high power induction heating apparatus, for many years has adopted silicon controlled as switching devices.
中频大功率感应加热装置，多年来一直采用可控硅做为开关器件。
In this paper a PLC controlled induction heating system is presented base on the analysis of medium frequency parallel converter.
本论文在对中频感应加热及相关技术作出研究的基础上，探讨了PLC控制感应加热成套系统的控制和相关技术。
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