The frequency domain electric transmitter and receiver synchronization electrocircuit has been designed. It is concluded that the GPS time synchronization is feasible in this instrument.
设计了在频率域电法勘探中发送机与接收机GPS时间同步电路，实现了多频激电仪接收机与发送机的精确时间同步进行高精度相位测量。
There are many key technologies about the single-user detection, such as synchronization between receiver and transmitter, channel estimation and diversity.
单用户检测中的关键技术很多，主要有接收端和发送端的同步，信道估计和分集等。
Time synchronization and carrier synchronization are cruxes of receiver. The reliability and stability of traditional analog demodulation are bad, and adjustment is complex.
时钟同步和载波同步是接收机的关键问题，传统模拟解调可靠性、稳定性差，调试复杂。
Sample synchronization is a basic problem whether Software Radio Receiver systems can demodulate the received signal correctly, it also affects the performance of the system.
软件无线电接收机是否能正确的解调接收信号，样值同步是需要解决的基本问题之一，其好坏将直接影响系统性能。
Synchronization is crucial to the system performance for DS-UWB system with RAKE receiver.
采用RAKE接收的DS-UWB系统中，同步对系统的性能至关重要。
In receiver department, the receiver combined LVDS difference signals and then restored to original video data signal, synchronization signal, state indication signal and so on.
在接收方，接收器把LVDS差分信号合成后再还原成原来的视频数据信号、同步信号以及状态指示信号等。
All circuits are designed by HDL and can be intergrated in one CPLD or FPGA chip, used in the frame synchronization and timing of digital communications receiver.
全部电路由硬件描述语言实现，可以集成在一片CPLD或FPGA芯片内部，用于数字通信系统接收端的帧同步和定时。
To demodulate GMSK signal, DSP is used in receiver to achieve error spectrum estimation, bit synchronization recovery and decode.
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。
A direct sequence spread spectrum (DSSS) receiver has strict requirement on local carrier's synchronization, and always needs complex circuits.
直接序列扩频接收机对本地载波的同步要求非常严格，以往所需电路复杂。
Under weak signal environments, bit synchronization is very important and difficult in GPS receiver design.
弱信号下的比特同步在GPS的接收机设计中是一个重点也是一个难点。
This thesis deals with the synchronization technologies for all digital receiver, particularly carrier offset estimation for MPSK signal.
本文研究全数字接收机中的同步技术，重点是MPSK信号的载波频偏和相位误差的估计和恢复算法。
A frame synchronization detect circuit is designed based on the synchronization state machine using FPGA, and this circuit has functions of pre-protect, rear-protect and timing of the receiver.
采用FPGA设计了一种基于同步状态机的帧同步检测电路，具有帧同步的前方保护和后方保护以及接收端的定时功能。
In spread-spectrum communication systems, the essential task which has to be performed is the synchronization of receiver pseudonoise (PN) signal with the pseudonoise signal contained in the input.
扩谱通信中一个最基本的任务就是实现本机的伪随机信号与接收的伪随机信号的同步。
Finally, the paper gives out a scheme of digitized carrier synchronization loop for software defined radio receiver which is based on the hardware platform composed of FPGA and DSP.
最后给出了一种用FPGA与DSP组成的硬件平台实现软件无线电接收机载波同步环路的方案。
Based on the theory of chaotic synchronization, a chaotic transmitter and receiver circuit with low noise was proposed, and the principles of synchronization and secure communication were expounded.
基于混沌同步理论，设计出低噪声的混沌发射机和接收机电路，阐述了实现同步和保密通信的原理。
In communication systems, the synchronization of the receiver requires to accurately estimate a number of parameters such as the carrier frequency and phase offset.
在通信系统中，接收机的同步要求精确地估计一些参数，比如载波频率和相位偏移。
This dissertation mainly focuses on the inner receiver techniques for block transmission mobile communication systems, such as channel parameters estimation and synchronization techniques.
本论文重点研究了分块传输移动通信系统中的内接收机设计，包括信道参数估计和同步技术。
The design of the resampling filter is a key technique for symbol synchronization in all-digital receiver.
重采样滤波器设计是全数字接收机中实现符号同步的关键技术之一。
There are lots of key technologies about single user detection, such as synchronization between receiver and transmitter, channel estimation and diversity.
单用户检测中的关键技术很多，主要有接收端和发送端的同步，信道估计和分集等。
The communication mode of using shift-sequences of multiphase orthogonal sequences is brought up and the method for synchronization of sequence in receiver is presented.
提出采用多相正交序列的移位序列作为扩频序列的通信方式，并给出接收端序列同步的实现方法。
When two SLs can realize good chaos synchronization, messages masked in the chaotic carrier can be extracted at the receiver.
当两个半导体激光器可以实现较好的混沌同步时，掩藏在混沌混沌载波中的信息信号在接收端就能被解调出来。
Varieties of net conditions bring transmission delay jitter. The receiver must take synchronization control to resume time relation of stream before playing them according to the facts.
由于网络状态的变化给传输带来延迟抖动，因此接收方要如实地播放，就必须进行同步控制，以恢复数据之间的时间关系。
In this paper, the FIR variable fractional delay filter is designed and used to solve the problem of symbol synchronization of all digital receiver.
文中设计的FIR可变分数延迟滤波器用于解决全数字接收机的时钟同步问题。
The system model is introduced and the probability of error in receiver as a function of symbol synchronization error is deduced.
给出了该系统模型，推导了PAM通信系统符号同步误差对收端误码率的影响。
A synchronous capture method of adaptation filter and related synchronous envelope tracking circle were applied to achieve synchronization of PN by receiver.
接收机采用了匹配滤波器同步捕获法和包络相关同步跟踪环来实现伪码(PN)的同步。
The synchronization problem in the receiver when the broadcaster failed was resolved, by implementing the resetting timestamp mechanisms.
针对接收组播节目过程出现的组播源故障，在同步机制中加入重置时戳机制，解决接收端同步问题。
A data fusion method of realizing receiver and sender of satellite location system to keep the synchronization time are presented.
研究了实现卫星定位接收机终端时间与卫星系统时间保持实时同步的一种异步数据融合方法。
Chip timing synchronization between local spread sequence and transmitted spread sequence is critical. in DS-CDMA receiver.
在DS - CD MA接收机中，正确解调的首要条件是实现本地扩频码与发送扩频码的码片同步。
Chip timing synchronization between local spread sequence and transmitted spread sequence is critical. in DS-CDMA receiver.
在DS - CD MA接收机中，正确解调的首要条件是实现本地扩频码与发送扩频码的码片同步。
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