查询词典 homodyne

Gunnplexers occur in two types, the common homodyne, or motion detectors,and the varactor tuned type, used for communication.

耿儿（Gunnplexer有两大类，普通的简单型和通讯用的带变容管的类型。

In a homodyne unit, we take advantage of the Gunn oscillators' instabilityby varying the DC supply to "push" the frequency slightly.

在简单型耿儿单元，我们利用耿氏二极管振荡器的频率不稳定的优点，通过改变直流电源把频率拉偏一点儿。

Dynamic range analysis of Mach-Zehnder fiber optic interferometer using PGC homodyne detection scheme .

采用PGC零差检测方案的Mach-Zehnder光纤干涉仪动态范围分析。

Quantum photodetection: direct detection, heterodyne detection, and homodyne detection.

量子光电探测：直接检波，外差检波和零差检波。

The receivers have four common types of architectures: Heterodyne, Homodyne, Image-Reject and Digital-IF. Of course, the performance and the integrated extent vary with the variety of the receiver architectures.

当前常见的接收机前端结构有超外差、零中频、低中频和宽中频接收机等，接收机结构的变化和发展体现了其性能的改善和集成度的提高。

The phase tracking principle of source-contained homodyne detection is researched, the frame diagram for phase detection and experimental results are given.

介绍了一种新型的光纤电压传感器结构和工作原理，分析了系统中椭圆芯双模光纤的传输模式和模间相干光斑的变化，采用熔接的方式进行相干光接收来获得正交相位漂移信号，根据模间群折射率差与光程差的关系设计调整光纤的长度，依据石英晶体和空气的绝缘强度进行传感光纤匝数设计，讨论了含源零差探测法的相位跟踪原理，给出了相位检测框架图及实验结果，分析表明该设计方案能达到相位跟踪的目的。

Fiber optic sensor ; phase modulation ; demodulator ; passive homodyne method ; Labview

光纤传感器；相位调制；解调；无源零差法； Labview

Some ways of measuring laser linewidth have been analyzed and compared. Considering the present condition of the lab, homodyne method is chose to measure narrow linewidth lasers.

结合实验室现有的实验条件，采用光纤延时零拍测量法测量窄线宽激光，并利用该方法对单纵模光纤激光器的输出线宽进行了测量。

The maximum-likelihood method is used to estimate the channel parameters after balanced homodyne detection. Then, Alice can change the intensity of optical pulses adaptively according to the estimated noise level, thereby a steady key rate can be obtained.

通过平衡零差检测后，采用最大似然估计法得到了信道参数，进而根据估计的噪声大小自适应调整Alice发送的光脉冲的强度，从而获得稳定的密钥生成率。

The maximum-likelihood method is used to estimate the channel parameters after balanced homodyne detection. Then, Alice can change the intensity of optical pulses adaptively according to the estimated noise level. Finally, a steady key rate can be obtained.

通过平衡零差检测后，采用最大似然估计法得到了信道参数，进而根据估计的噪声大小自适应调整Alice发送的光脉冲的强度，从而获得稳定的码率。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷