This dissertation focused on code-aided carrier synchronization algorithm.
本文的研究重点在于码辅助载波同步算法。
The algorithm can therefore be considered as an efficient carrier synchronization algorithm.
可以认为该算法是一种高效的载波同步算法。
The key of digital transmission system lies in carrier synchronization and channel equalization.
数字传输系统的关键在于载波同步和信道均衡。
But if the Doppler frequency offset exceed the capture range of PLL, the carrier synchronization will fail.
但是，一旦多普勒频移超出了锁相环的频率捕捉范围，就无法完成载频同步。
One of the key problems in OFDM system design is that OFDM system has high requirements about carrier synchronization.
而OFDM系统设计中的难点之一就是OFDM系统对载波频率同步的精度要求特别高。
A novel all-digital phase locked loop (PLL), applied to the carrier synchronization of communication systems, is designed.
设计了一种用于通信系统载波同步的新数字锁相环。
There are three kinds of synchronal modes in OFDM system: symbol timing synchronization, carrier synchronization, sampling-bell synchronization.
OFDM系统基本上有三类同步方式：符号定时同步、载波同步、采样钟同步。
This paper presents a fine carrier synchronization algorithm based on the similarities of the guard interval for Time-domain synchronous OFDM (TDS-OFDM) systems.
该文提出了一种适用于时域正交频分复用数字传输(TDS - OFDM)系统的基于保护间隔相似特性的高精度载波细同步算法。
Significant results in the key technologies of OFDM, such as carrier synchronization, channel estimation, phase noise and so on have achieved in theory and practice.
有关OFDM的关键技术，如载波同步、信道估计、相位噪声等，在理论和实践方面均取得了很显著的成果。
An improved algorithm for classification of MDPSK signals based on cumulants is presented in this paper, which is robust to the error of the carrier synchronization.
本文研究了收发双方存在载波频差时利用累积量实现调制分类这一实际问题，提出一种改进的基于累积量的信号分类算法。
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。
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。
We focus on the carrier synchronization method, the circuit and its parameters design, the performance simulation and the circuit implementation in Field Programmable Gate Array (FPGA).
重点研究载波同步方法，设计电路及参数，仿真同步性能，并在现场可编程门阵列(FPGA)上实现同步电路。
Carrier synchronization is implemented by a kind of closed loop with degenerative feedback.
载波同步通常采用一种闭环反馈回路来对载波相位进行跟踪。
Carrier synchronization is a key technique in the coherent -demodulation of PSK signals and it is directly related to the specification of demodulation.
载波同步是PS K信号相干解调中的一项关键技术，它直接关系到解调的指标。
To the question of Carrier Synchronization with low signal-to-noise ratio (SNR) and High Dynamic , using the method of combining FLL with PLL to actualize the carrier tracking.
针对极低信噪比高动态条件下载波同步问题，采用锁频环（FLL）和锁相环（PLL）相结合的方法来实现载波跟踪。
To the question of Carrier Synchronization with low signal-to-noise ratio (SNR) and High Dynamic , using the method of combining FLL with PLL to actualize the carrier tracking.
针对极低信噪比高动态条件下载波同步问题，采用锁频环（FLL）和锁相环（PLL）相结合的方法来实现载波跟踪。
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