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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The receiver employs a multiple differential detector (MDD) which exploits the correlating characteristics of the signals.

为了有效地利用信号中相关特性的信息，接收机采用了一个多重差分检测器（MDD）。

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Swept Source (SS) OCT uses a wavelength swept laser source and photodiode balanced receiver as the detector.

扫频光源（SS）OCT使用波长扫频激光器光源，并使用平衡式光电二极管接收机作为检测器。

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The system isn't perfect, however -- in this early incarnation it can only nab 40% of transmitted data before giving itself away, and more importantly, it requires the invention of a "quantum non-demolition box" before the attacker can be anywhere but the same room as the receiver, since right now both attacker and receiver need to be using the same photon detector.

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