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1)  Frequency (wavelengh) bathochromic shift
频率(波长)红移
2)  Einstein shi`
频率红移
3)  wavelength red shift
波长红移
4)  frequency and wavelength
频率与波长
例句>>
5)  red shift in laser wavelength
激光波长红移
1.
Their lattice parameters were measured and analysed;The luminescence and quenching of ￣2H_(11/2), ￣4S_(3/2) and ￣4F_(9/2) states was discussed,and regularity of the self-saturating ￣2I_(11/2)-￣4I_(13/2) transition and the factors of the red shift in laser wavelength were investigated as well.
讨论了￣２Ｈ＿（１１／２），￣４Ｓ＿（３／２），￣４Ｆ＿（９／２）能级的发光与猝灭，￣４Ｉ＿（１１／２）→￣４Ｉ＿（１３／２）自饱和跃迁的变化规律及激光波长红移的有关因素。
6)  carrier frequency offset
载波频率偏移
1.
Effects of carrier frequency offset on MC-CDMA systems in nakagami fading channel;
MC-CDMA系统在Nakagami衰落信道的载波频率偏移性能分析
2.
The spread spectrum pilots of the OFDM(orthogonal frequency division multiplexing) symbols are used to estimate the effect caused by residual carrier frequency offset in IEEE 802.
16d标准的载波频率偏移跟踪的优化算法,该优化算法基于最小均方误差准则(MM SE)。
3.
A new data-aided carrier frequency offset (CFO) estimation algorithm was proposed for orthogonal frequency division multiplexing (OFDM) systems.
基于相关编码正交频分复用(OFDM)系统,提出了一种新的数据辅助载波频偏估计技术,利用相关编码OFDM系统的频域幅度特性估计载波频率偏移,增大了频偏估计的跟踪范围,同时采用改进的迭代估计剩余频偏方法,消除载波间干扰对频偏估计的影响,提高了估计精度。
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补充资料：频率计量(见时间频率计量)


频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology

　　口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
　　
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