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- Output channel 3 or channel 4 of radio frequency modulator can be selected by up/down toggle switch. 射频调制器的输出频道可以通过上/下拨动开关选择3频道/4频道。
- Radio Frequency Module 射频指令舱
- General specification for radio frequency modulators of video tape recorders 录像机射频调制器通用技术条件
- RF Radio Frequency Level Controller. RF系列射频导纳式物位控制器。
- Radio frequency and communication test equipment. 射频通信综合测试仪。
- Radio frequency circuit design II. 射频电路设计2。
- Vulnerable to radio frequency radiation interference. 易受射频辐射的干扰。
- Tuner will be able to track the frequency-hopping radio frequency. 调谐器可以追踪跳频无线电频率。
- Internal capacitors to suppress radio frequency interference. 内置抗电磁干扰电容。
- Transmission can be done by cable, radio frequency and satellite. 传递可通过海底电缆，无线电波和通信卫星来进行。
- The AGC technology in the radio frequency channel is also studied. 研究了射频信道中的自动增益控制(AGC)技术。
- Method of insertion loss measurement for radio frequency filters. 射频滤波器插入损耗的测量方法。
- Is rhinitis of cure of microtherm plasma radio frequency good? 低温等离子射频治疗鼻炎能好吗？
- Radiated EMI is also called radio frequency interference (RFI). 辐射引起的电磁干扰，也称为射频干扰（RFI）。
- Frequency modulation does not allow static to creep in. 频率调制不允许静电干扰混入。
- Supporting hand-held devices, such as PDAs and radio frequency devices. 支持手持设备，例如pda和射频设备。
- Frequency modulation is not possible with polychromatic light. 多色光不可能调制频率。
- Is Radio Frequency communication 'among' automatic machines allowed? 是否允许自动机器人之间的射频通讯?
- Read/Write device of radio frequency card in the onboard system is designed. 设计了一种车载仪系统射频卡读写器;
