radio spread spectrum无线扩频
radio continuum spectrum射电连续谱
radio spread spectrum communication无线扩频通信
Output Radio Frequency Spectrum无线电频谱输出
Radio Frequency Spectrum无线电频谱;无线射频频谱;射频频谱无线电频谱
radio-spectrum[通信] 射频频谱
radio radiation spectrum射电波谱
radio source spectrum射电源频谱
radio wave spectrum无线电波谱
N(名词) the range of electromagnetic frequencies used in radio transmission, lying between 10 kilohertz and 300000 megahertz 无线电频谱