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- It uses a fiber laser with narrow linewidth as light source, and adopts homodyne demodulation with phase generated carrier scheme to restore signal. 该系统基于迈克尔逊干涉仪结构,以窄线宽光纤激光器为光源,采用相位载波零差解调方案实现信号的还原。
- Development of the digital PGC homodyne demodulation system based on interferometric optical fiber hydrophone 干涉型光纤水听器PGC数字式零差解调系统的开发
- homodyne demodulation 零差解调
- A full digital demodulation scheme is proposed for HF QAM signal. 文中针对短波高速QAM信号,提出并实现了一种全数字的解调方案。
- Homodyne Method for Measuring Narrow Linewidth Lasers[J]. 引用该论文 俞本立;钱景仁;杨瀛海;罗家童.
- The paper proposes a new method of demodulation of PCM/DPSK signal. 提出了一种新的PCM/DPSK数字信号解调方法。
- The nether system adopts LPC936 chip to demodulation, firing control. 下位系统采用LPC936单片机系统完成远端通信和中断点火控制。
- Ich habe die Modulation und Demodulation des analogen und digitalen Signal gelernt. 我学了模拟和数字信号的调制与解调。
- Using the way of homodyne coherent detection, a fiber laser Doppler vibrometer is designed and completed. 采用零差的相干探测方式,设计并实现了一套光纤结构的激光多普勒振动计。
- Homodyne Crosstalk Performance of Optical Add-Drop Multiplexer Based on Fiber Gratings and Circulators[J]. 引用该论文 黄勇林;项阳;李杰;童峥嵘;开桂云;董孝义.
- Demodulation: The reverse of modulation. To convert data from analog to digital form. 解调:与调制相反工作。把数从模拟量转换成数字量。
- Application of Computer Technology to Railways Signal Demodulation and Mensuration. 计算机技术在铁路信号信息解调测试中的应用。
- A real time method for the calibration of the quadrature demodulation error of the RCS measurement radar receiver is proposed. 摘要针对脉间变频RCS测量雷达采用模拟正交解调方法获得同相分量和正交分量所引入的解调误差，提出了一种实时校准方法。
- A novel passive homodyne Michelson interferometric fiber-optic hydrophone of anti-aliasing has been manufactured and demonstrated. 报道了一种新颖的具有抗混叠功能的无源零差迈克耳孙型光纤水听器。
- A transfusion speed monitor system is designed based on infrared technology with modulation and demodulation. 摘要设计了一种利用红外光的脉宽调制信号来采集输液信息的医用微量输液装置。
- The sampled data demodulation scheme and method adopting MMX technology are described. 其次,阐述了MFEIT和EIPT的采样数据解调原理及应用MMX技术进行软件解调时的关键问题;
- The structure of band-pass RAKE receiver and the model of demodulation are depicted. 我们给出带通犁耙式接收机模型及解调结构。
- Introduce and analyze the key module of demodulation technologies, for example NCO and CORDIC algorithm. 对解调技术中涉及的重点模块,比如NCO、CORDIC 算法等做了理论上的介绍与分析。
- The wavelength demodulation technology of fiber Bragg grating is critical for its practical application. 光纤Bragg光栅的波长解调技术是光纤光栅传感器实用化的关键.
- The strain sensitivity was demarcated by experiment using spectrum character of ASE demodulation. 并通过实验标定ase光源谱特性解调应变灵敏度系数。
