The paper studied the principle of the all-angle MUM(Mass-Unbalanced Modulation) reading realized through synchronous demodulation,discussed the factors that influenced the reading precision,and analyzed the reading errors resulted from the non-orthogonality of the electrodes-fixed frame and the inconsistent between the scale factors of different measuring channels.
研究了采用同步解调法实现静电陀螺仪质量不平衡调制(MUM)全姿态读取的原理,讨论了影响读取精度的因素,分析了各电极轴转子位移测量电路比例因子不一致和电极轴不正交造成的读取误差。
MFSK signal can be demodulated by synchronous demodulation and envelope demodulation.
MFSK信号可用同步解调和包络解调两种方式进行,采用不同解调方式的MFSK通信系统具有不同的性能特点,重点讨论采用同步解调的MFSK通信系统的抗噪声性能。
In synchronous demodulation, frequency and phase of a local carrier must be synchronous with sending station, distortion will be caused in output signals of demodulation as frequency error and phase error occur in the local carrier.
在同步解调中,本地载波的频率和相位必须与发送端载波同步,当本地载波存在频率或相位误差时,会使解调输出信号产生失真。
The feasibility of square wave driving were demonstrated,adding phase shift element in self-excited driving circuit was presented,to make the Micro Quartz Tuning Fork Gyroscope s driving oscillation frequency equal to it s mechanical resonant frequency,the switch synchronous phase sensitive demodulation s application in det.
在分析微石英音叉陀螺的工作原理及电学特性的基础上,对微石英音叉陀螺的驱动电路和微弱角速度信号的提取方法进行了研究;论证了方波驱动的可行性,提出了在自激驱动回路中加入移相环节,使微石英音叉陀螺的驱动振动频率等于其机械谐振频率,分析了开关同步相敏解调在角速度信号的提取中的应用及其对噪声的抑制能力;设计并分析了一个用方波驱动微石英音叉陀螺,用开关同步相敏解调完成信号解调的电路,该电路结构简单,工作可靠,性价比高。
Based on the digital synchronous demodulation technology,a triangle angle reflection setting is anticipated,and the entire phase-detection in MATLAB is emulated.
基于数字同步解调测相技术,以三角形角反射器为实物预想目标,在MATLAB环境中对整个测相过程进行了仿真。
Phase-shift laser range finder based on digital synchronous demodulationtechnology not only improves phase measurement accuracy, but also highlyincreases measurement speed.
采用数字同步解调测相技术的相位式激光测距系统，不仅具有测距精度高、速率快的优点，同时整个系统结构较传统测距系统大为简化。
A fast phase difference measurement method based on digital synchronous demodulation and analog mixer was proposed and its principle was analyzed in detail.
详细分析了数字同步解调原理,并在此基础上提出了一种新的同步解调原理结合模拟混频的快速测相方法,介绍了该方法在相位法激光测距中的具体实现过程。
New Phase Difference Measurement Based on Digital Synchronous Demodulation
基于数字同步解调原理的相位差测量新方法
On the Modulation & Demodulation Technology and Synchronization Algorithm in OFDM;
OFDM调制解调技术与同步算法的研究
Signal Synchronization and Demodulation Algorithm Study in OQPSK Blind Receiving;
OQPSK盲接收的信号同步与解调算法研究
The Design and Implementation of High Speed Burst Demodulator
高速突发解调器的快速同步技术研究
Implementation of Word Synchronization for HF Low-speed Modem;
短波低速调制解调器字同步的实现方案
The effect of the carrier phase error on the demodulator is actually measured.
实测了载波同步误差对解调器性能的影响。
A Design of Symbol Timing Recovery in QAM Demodulation Chip;
QAM解调芯片中码元同步电路的设计与实现
Research and Design of Key Modules in Synchronization System for DVB-T Demodulator;
DVB-T解调器中同步系统关键模块的设计与研究
Research on Synchronization and Demodulation Algorithms for UWB Communications Systems
超宽带（UWB）无线通信系统的同步及解调算法研究
Symbol Synchronization Realization of DQPSK Telemetry Signal Based on FPGA
基于FPGA的DQPSK遥测信号解调码同步的设计与实现
Design and Implementation of FM Demodulation and Bit Synchronizer System Based on FPGA
基于FPGA的FM解调/位同步系统设计与实现
Symbol timing recovery in super high speed demodulation for QPSK signals
超高速数字解调中QPSK信号的符号同步研究
in/out of phase being/not being in the same state at the same time
同相[异相];同步[不同步];协调[不协调]
asynchronous modem controller
异步调制解调控制器
Establishment and Solution of Optimal Dispatching Model for Water-supply Pumping Station with Asynchronous Speed Adjusting
非同步调速供水泵站优化调度模型的建立及求解
The interpreter lock need not be held, but may be held if it is necessary to serialize calls to this function.
解释器锁不需要捕获，但是需要同步调用该函数时可能需要捕获。
As the video control center, FPGA harmonizes the video sync control of decoder and encoder.
FPGA作为视频控制中心,实现了协调解码器与编码器的同步控制。
The Research of Carrier Synchronization and Signal Demodulation in New Generation Space TT&C System;
新一代航天测控系统中载波同步和信号解调的研究