脉频调制 PFM ; pulse frequency modulation
射频调制器 RF Modulator ; radio frequency modulator ; RF ; RF Adapter
低频调制 LFM LowFrequencyModulation ; [电子] low-frequency modulation
视频调制系统 [电子] video modulation system
扩频调制 spread spectrum modulation ; SSFM
声频调制 audio modulation ; voice modulation
时频调制 ST-TFSK ; time-frequency modulation ; FTSK
电视中频调制器 TV intermediate frequency modulator
离散多音频调制 DMT ; Discrete Multi-Tone ; discrete multitone modulation
移频调制器 frequency-shift modulator
用预定的导频调制机制来调制每个导频子载波信号。
Each pilot sub- carrier signal is modulated with a predetermined pilot modulation scheme.
因此，若将重复周期参差调制方式融合到频率编码信号中，可使信号具备时-频调制双重随机性。
So, the modulation of irregular pulse repetition interval may be employed in FCP that the randomization of signal modulation would be obtained in both time and frequency domains.
该SNEP将采用MPM1000网络中心波形卫星调制解调器，为战术机动作战提供所需的多频时分多址接入带宽技术。
The SNEP will employ the MPM1000 Net Centric Waveform Satellite Modem to provide Multi-Frequency-Time Division Multiple Access Bandwidth on demand technology for tactical mobile operations.
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