beat frequency [电子] 拍频 ; [电子] 差频 ; 差拍 ; 拍音
beat frequency receiver 拍频接收机
beat frequency amplifier [电子] 拍频放大器
beat frequency detector 拍频检波器 ; 差频检波器
beat frequency meter 差频频率计
ciliary beat frequency 对人鼻腔纤毛摆动频率 ; 测定纤毛摇动频率
beat frequency electrotherapy unit 差频电疗机
interaxial mode beat frequency 轴间模拍频 ; 轴间角
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The influence of time length and beat frequency on radar range is discussed.
讨论了信号时长和差拍频率对雷达作用距离的影响；
The changes of the myocardial beat frequency before and after administration were counted.
通过计数器计数给药前后心肌细胞搏动频率的变化。
Brillouin enhanced four wave mixing, whose interference beat frequency drives an acoustic field, can improve the SBS phase conjugation fidelity.
采用四波混频加强SBS的方法，其相干拍频驱动声子场，能提高SBS相位共轭保真度。
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