同步解调 meaning in English
synchronous demodulation
synchronously demodulation
Examples
- Model dsrs - 5da decade synchro resolver standard
Dsrs - 5da型十进制同步解调标准 - Since the carrier is suppressed , this phase and frequency reference is required for synchronous demodulation of the color information in the receiver
由于载波收到抑制，因此需要这个相位和频率参考来对接收机的颜色信息进行同步解调。 - The system consists of phantom , signal source block , power amplifier block , measuring mode setting block , high accuracy amplifier and high speed demodulator
该系统包括信号源模块，功率放大模块，测量模式设置模块，信号放大模块，同步解调模块。 - Take the hoc based blind modulation detection algorithm as an example , the relationship between the blind modulation detection algorithm and synchronization is investigated . an unproved detection algorithm robust to frequency offset is proposed which solves the problem caused by the error in carrier synchronization . how to synchronize a received signal with unknown modulation type is studied and a blind algorithm to estimate symbol timing of the signals with unknown modulation type is presented
研究了载波同步和码元定时同步与调制方式盲检测算法的关系；以自适应单载波中高阶累积量调制方式盲检测算法为例，对于载波同步误差引起的频偏问题，提出一种基于频偏稳健的mdpsk信号调制方式盲检测算法；对于未知调制方式信号的定时同步问题，提出一种盲定时估计算法，该算法可以估计mdpsk和mqam信号的定时同步信息，实现数字信号的同步分类；提出了一种基于调制方式盲检测的自适应接收机结构，把调制方式盲检测，信噪比估计和同步解调联合起来进行，实现调制方式随信道质量而自适应变化的信号的正确接收。 - With these optical transceivers , the workstation on the shore can receive the synchronization signal for synchronization demodulation of pgc and controls the long - distance photoelectric modules under water . in this thesis , a long - distance optical transceiver is designed to meet the above requirements . beginning with the principle of optical communication , characteristics of the basic optical active device are summarized firstly
为了实现pgc信号的同步解调与远程水下光电模块的监控,岸基工作站与水下光电模块需要通过光收发一体模块进行低速率、无中继的双工通信,因此本课题的主要工作是进行远程水下光收发一体模块的设计与实现。