detector frequency meter 检波式频率计 ; 检波频率计
Phase Frequency Detector 鉴频鉴相器 ; 相位频率侦测器 ; 相位频率检波器 ; 鉴频器
frequency detector 频率检测器 ; 检频器 ; [电子] 频率检波器
beat frequency detector 拍频检波器 ; 差频检波器
frequency modulation detector [电子] 调频检波器
balanced frequency modulation detector 平衡调频检波器
frequency-difference detector 频差检波器
sound intermediate-frequency detector 声中频检波器
Those creatures have long had four-color vision, but a key difference is that their fourth type of color detector is in the high-frequency ultraviolet range, beyond where humans can see.
这些动物早已拥有四色觉，但关键的区别是，他们的第四种颜色位于高频的紫外线区域，在人类可视范围之外。
According to some embodiments of the present invention, a phase frequency detector includes a temperature sensing circuit.
依照本发明的某些实施例，相位频率检测器包括温度感测电路。
According to the principle of view the Doppler frequency detection, the detector makes up of the transmitter, the transfer circuit, receiver and signal processing circuit.
根据多卜勒频偏检测原理，该探测器由发射机、转换电路、接收机和信号处理电路构成，发射信号是设计的关键。
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