〖heterodyne〗把一个无线电频率同另一不同的频率合在一起以便产生差拍。
n. heterodyning
adj. heterodyne
In the article, the mathematical model of balanced heterodyne reception was detailed derived.
理论上详细推导了平衡式外差接收的数学模型。
参考来源 - 平衡式外差接收及随机共振微弱信号检测Based on the low-coherence interferometry, OCT technology, which integrated the laser technique, optical heterodyne detection, precision machinery control and computer image processing, enjoys a tremendous prospect in the field of biomedicine imaging.
OCT技术基于低相干干涉原理,集成了激光技术、外差探测、精密机械控制和计算机图像处理,在生物医学成像领域中有着巨大的应用前景。
参考来源 - 眼前节OCT成像系统的设计及应用·2,447,543篇论文数据，部分数据来源于NoteExpress
同时给出了脉冲外差波形。
本文提出一种采用光强度调制非线性外差检测的传输方案。
This paper presents an optical communication system algorithm with intensity modulation and nonlinear heterodyne detection.
本文首先指出了超外差接收机的固有缺点，即它有更多的虚假响应。
This paper first discusses the instinct disadvantage of a superheterodyne receiver, which is that it has more spurious response.
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