提出适用于EMT的基于相位反馈搜索的信号解调方法。
The paper presents an signal demodulation method used in EMT based on phase feedback search.
传统的AM调幅信号解调方法是同步检波和包络检波法。
Traditional way of AM signal demodulation is envelope detector or synchronism detector.
设计的主要内容包括:相敏信号解调电路的分析与设计;
The main elements of the design include: phase-sensitive signal demodulation circuit analysis and design;
根据FSK信号特点,模拟了一种基于模式识别的FSK信号解调新方法。
In this paper, a new method of FSK demodulation based on pattern recognition principle is simulated.
论文主要研究了调频收音机中RDS信号解调算法及其算法的进一步探讨。
The main target of this thesis is description the de-modulation algorithm of the RDS (Radio Data System) system in FM radio and further research in this topic.
目前,由于波长编码信号解调困难而造成系统成本过高,在普通领域难以接受。
At present, due to difficulties caused by wavelength coding signal demodulation, system costs are too high in general areas to accept.
波长编码信号解调是实现光纤光栅多参量、多点分布式传感网络的核心技术之一。
Wavelengthencoded signal demodulation is one of the key techniques to achieve fiber grating distributed sensing network.
以长庆油田某钻井工程为背景,介绍了泥浆随钻测斜仪信号解调的模式识别方法。
With some well drilling engineering in Changqin Oilfield as the background, this paper introduces a pattern identification method for signal demodulation with mud pulse testing slope sensor.
传统的数字信号解调方法存在着载波恢复、符号同步等问题,实现起来较为复杂。
The traditional digital signal demodulation method that realizes more complex has the problems of carrier recovery, symbol synchronization and so on.
接收端的计算机的调制解调器将模拟语音信号解调还原为计算机能理解的数字形式。
The modem of the receiving computer demodulates the analog sound signal back into a digital form that the computer can understand.
研究光纤光栅传感器的关键问题是光纤光栅的信号解调,即波长微小移位的检测问题。
The key problem of FBG sensor study is the optical fiber diffraction grating signal demodulation, namely, the detection of small shifting of wave length.
利用锁相环(LL)窄带跟踪特性,与单片机结合,实现自动闭塞系统移频信号解调。
Signal demodulation of automatic block with audio frequency shift modulated track circuits was implemented with phase-locked loop (PLL) technique and a singe chip microcomputer.
文中着重分析了方波控制激光器的频谱形式、光信号外差探测装置和电信号解调原理。
The spectrum form of square-wave controlled laser, optical signal heterodyne detecting device and principle of electrical signal demodulation are considered with emphasis.
提出了一种基于收缩映射的混沌键控信号解调方案,给出了系统误码性能的数学表达式。
In this paper, a coherent demodulation scheme for chaos shift keying signals is presented, and formula for bit error rate is given.
提出了一种用于时分多址突发通信系统中的IJF - OQPS K调制信号解调方法。
A demodulation approach of IJF-OQPSK signal for the burst communication system is presented in this paper.
分析了信号数字调制的基本原理,提出一种基于信号瞬时特征参数的数字通信信号解调方法。
The principle of digital modulated signal is analyzed in this paper. Based on instant character parameters, a kind of digital communication signal demodulation method is established.
利用FBG、EFPI和低相干性干涉信号解调方法实现了用一个传感器同时测量三个参量。
This sensor system simultaneously measures the three parameters using the method of low coherence interferometric signal demodulation combined with optical spectrum measurement of the FBG and EFPI.
为WCDMA信号解调误码率的分析以及干扰分析等研究工作,提供了一种较为直观的验证方法。
This article provides an intuitionistic validation method for the research of BER analysis and interference analysis of WCDMA signal.
为了实现GMSK信号解调,接收机中dsp实现了调制信号的误差频谱估计、位同步恢复及译码。
To demodulate GMSK signal, DSP is used in receiver to achieve error spectrum estimation, bit synchronization recovery and decode.
为提高石英角速率传感器(QRS)的测量性能,提出了基于数字相关检测技术的QRS信号解调方案。
A method for quartz rate sensor (QRS) using digital correlation detection is proposed to improve the performance of QRS.
在该系统中,通过采用新的温度信号解调方法,使系统的信噪比获得提高的同时,还提高了系统的测温灵敏度。
In this system we improve the ratio between signal's power and noise's power together with the sensitivity of the system by a new temperature signal demodulating method.
本文根据高码速率DQPSK遥测信号的特点,介绍了一种通过数字瞬时测频来完成对高码速率DQPSK信号解调的方法。
This paper presents a new algorithm used to demodulate high code rate DQPSK telemetry signal by digital frequency measurement.
在软件方面,详细介绍和分析了矢量信号解调分析软件设计与实现,其中包括载频频偏计算、幅度和群时延补偿、脉冲成形滤波器设计等。
It describes clearly the software of vector signal demodulation, including the frequency offset calculation, magnitude and group-delay compensate, and pulse shaping filter.
该模块解决了对差分信号“调制”、“解调”问题,实现了数据和电源在同轴电缆上的同步传输。
It solves the problem of modulate and demodulation of differential signal and achieve data and power signal communication in coaxial-cable.
作者提出低频时码信号的正交扫描解调技术,从理论上分析了正交扫描原理和实现方法,并进行了仿真测试;
The orthogonal sampling demodulating technique for low frequency time-code signal is introduced. Based on the theoretical analysis about its principle and implement method, The simulation is tested.
本文针对有载波偏移的零中频bps K调制信号提出了一种软件解调系统。
The paper presented a software demodulating system of BPSK zero-IF signal containing carrier offset.
对于传统的OFDM系统来说,如果循环前缀的长度大于信道的时延扩散值,则可以通过简单的频域均衡来解调OF DM信号。
If the length of its cyclic prefix is larger than the delay spread of transmission channel, we can get a simple frequency equalizer to demodulate OFDM signal.
相应地,可以把水印的检测过程看成是一个水印信号的解调过程,就是从宿主载体数据中提取水印信号。
Corresponding, may regard as the watermark examination process is a watermark signal demodulation process, is withdraws the watermark signal from the host carrier data.
经过限带滤波后的QDPS K信号的码元波形可分为稳定区与过渡区,根据这一特点可以利用DFT方法来实现信号的解调和位同步。
After a bandpass filter, QDPSK signal's symbol can be divided into steady section and transition section, so the demodulation and synchronization for the signal can be realized with DFT.
经过限带滤波后的QDPS K信号的码元波形可分为稳定区与过渡区,根据这一特点可以利用DFT方法来实现信号的解调和位同步。
After a bandpass filter, QDPSK signal's symbol can be divided into steady section and transition section, so the demodulation and synchronization for the signal can be realized with DFT.
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