1) coherent carrier recovery
相干载波恢复
2) carrier phase recovery
载波相位恢复
1.
According to the weakness of false synchronization and high sensitivity to timing error,the carrier phase recovery is combined with frame synchronization on the basis of maximum likelihood(ML-) estimation,and at the same time the false synchronization can be detected and corrected.
针对同步中对定时精度敏感,易假同步等弱点,在最大似然估计算法的基础上采取了载波相位恢复与码元帧同步相结合的方式,同时也可以对假同步进行检测和纠正。
2.
Aiming at the weakness of false synchronization and high sensitivity to timing error,the carrier phase recovery was combined with frame synchronization on the basis of maximum likelihood(ML-)estimation,and the false synchronization can be detected and corrected as well.
针对小波同步中对定时精度敏感,易假同步等弱点,在最大似然估计算法的基础上采取了载波相位恢复与码元帧同步相结合的方式,同时也可以对假同步进行检测和纠正。
3) carrier recovery
载波恢复
1.
A frequency and phase lock loop for carrier recovery;
用作载波恢复的锁频锁相环
2.
Technique of carrier recovery of 8\|VSB transmission system in HDTV;
HDTV中8-VSB传输系统的载波恢复技术
3.
QPSK Carrier Recovery Loop over Satellite;
适用于卫星应用的QPSK载波恢复方案
4) reinsertion of carrier
恢复载波
5) carrier recovery loop
载波恢复环
1.
The implementation method of the receiver carrier recovery loop of microsatellite affects the volume,weight and function reconfigurability of the transponder.
针对微小卫星测控应答机的体积、重量及其功能灵活性,研究了接收机载波恢复环的实现方法。
6) color subcarrier recovery
色载波恢复
补充资料：相干散射和非相干散射
再辐射的光量子频率和被吸收的光量子频率准确相等的散射过程称为相干散射。在相干散射的情况下，源函数准确地等于平均辐射强度。再辐射的光量子频率和被吸收的光量子频率不相等的散射过程称为非相干散射。在天体物理中，存在一系列因素使散射过程成为非相干散射。主要的因素是：原子的能级有一定的宽度、原子的热运动和湍动以及压力效应等。对于非相干散射，源函数是相当复杂的。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条