在射频电路方面，提出了频率合成器和调制解调器设计方案，并通过测试证明了该方案的可行性。
In the aspect of RF circuits, the scheme of frequency synthesizer and modem is proposed, and the feasibility of the scheme is verified by practical test.
该文提出了一种新的基于射频六端口网络的多频带OFDM解调器。
A novel microwave six-port network orthogonal frequency division multiplexing (OFDM) demodulator is presented in this paper.
文中提出了一种CD MA调制解调器射频电路和数字基带处理电路框图，分析了它们的组成及工作过程，设计了扩展功能用的系统连接器。
A new design of RF block diagram, digital baseband block diagram of CDMA modem, the form and working-process are analysised, in order to expand function, a system connector is designed.
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