Results show that the trapping pulse generates frequency shift.
研究表明：被俘获的信号脉冲能产生频移。
The expressions for the dynamic frequency shift of an injection-locked semiconductor laser are given.
本文给出了注入锁定半导体激光器动态频率漂移的解析表达式。
Line equalizer control method, and integrating circuit, frequency shift circuit and transmission device.
线路均衡器控制方法，积分电路，频移电路和传输装置。
The water sound speed and temperature can be calculated by measuring Brillouin scattering frequency shift.
借助测量水体布里渊散射的频移，可得到水体声速或温度。
The response model was used to fit the experimental data of frequency shift for these adsorption processes.
利用压电响应模型拟合了吸附过程中频移响应的实验数据。
The scheme of measuring Brillouin frequency shift in fiber sensor based on edge optical filter is proposed.
提出了采用边缘光滤波器来测量光纤传感中布里渊频域的方案。
The maximum Doppler frequency shift is an important parameter which affects the performance of the OFDM system.
在OFDM系统中，影响其性能的一个重要参数就是最大多普勒频移。
The Continuous Phase Frequency Shift Keying (CPFSK) signaling scheme has been widely used in mobile applications.
连续相位频移键控(CPFSK)信号广泛应用于便携式移动通信系统。
The results show, the light frequency shift can be effectively reduced in the sharp Angle laser light pumping scheme.
结果表明斜光抽运方案可以有效降低铯原子束频标中的光频移。
The theory describes the temporal nonlinear evolution of the field amplitude and frequency shift of a single wave mode.
从理论上描述了单一受激波的场幅值和频率偏移的非线性变化。
Method of calculating the adjusting resistance of frequency shift track circuit for normal state and shunting state is introduced.
本文介绍了移频轨道电路调整状态及分流状态调整电阻的计算方法。
The method in which coherent accumulation is carried out after the echo is compensated by a Doppler frequency shift is introduced.
提出了一种先对回波信号进行多普勒补偿后再进行相干积累的方法。
In the communication of multiplex system, the DS signal exists Doppler frequency shift for the high dynamic situation of aerocraft.
在复合系统通信中，飞行器的高动态使扩频信号存在多普勒频移。
Doppler frequency shift observation of ionospheric high frequency echo is an important method for studying ionospheric disturbances.
电离层高频反射回波的多普勒频移观测是研究电离层扰动的一个重要方法。
The variations of group velocity dispersion and nonlinear frequency shift with the wave frequency and film thickness are also studied.
研究了群色散和非线性频移随频率和薄膜厚度的变化规律。
But both of them are sensitive to carrier frequency shift, further, they have comparative BER under AWGN and Doppler shift environment.
但两者都对载波频率偏移敏感，且在AWGN和多普勒频移环境下表现相当。
A digital signal processing way is established to obtain ultrasonic signal frequency shift in the test of high sand content fluid flow.
笔者采用数字手段去测取超声波信号的频差，通过频差法可得出流体的平均速度，进而获得高含沙量流体的流量。
The characteristics of oscillation frequency shift and output power changes of the laser diode are analyzed by using the theoretical model.
基于该模型，分析了激光器振荡频率偏移与输出功率变化特性。
In this paper, the frequency spectrum and the bandwidth of the frequency shift signal with continuous and discontinuous phase are analyzed.
分析了相位连续与不连续移频信号的频谱并比较了它们的带宽。
There are lots of disadvantages in wireless environment, such as multi-paths fading, Doppler frequency shift and fast time varying of channel.
无线环境中存在多径衰落、多谱勒频移和信道快速时变等许多不利因素。
The speed of moving-target was measured based on the principle of PD frequency shift, and the range of moving-target on the pulse-echo principle.
利用多普勒频移原理实现了运动目标速度测量，利用脉冲回波测距原理实现运动目标距离测量。
The Doppler frequency shift, the main factor restricting the bandwidth of receiver in inter satellite laser link, with orbit equations is calculated.
从轨道方程出发，对影响卫星光链路接收机带宽的主要因素———多普勒频移进行了研究。
Proposed a novel scheme to measure the Brillouin frequency shift and power change, and analyzed the measurement accuracy of Brillouin frequency shift.
提出了一种同时测量布里渊频移和功率变化的新方案，同时对系统的布里渊频移测量精度进行了分析。
A new method for digital identification and demodulation of MPSK signals is presented under the condition of the Doppler frequency shift of channel attenuation.
针对衰落信道中广泛存在的多普勒频移现象，本文提出了一种MPSK信号数字化识别解调的方法。
The error of measuring Brillouin frequency shift based on brim detecting technology has great influence on the measurement precision of sea surface temperature.
采用边缘探测技术测量布里渊频移量的误差会对海表温度测量精度带来很大影响。
The frequency time selective fading resulted from multipath dispersion and Doppler frequency shift is an important characteristic of urban mobile radio channel.
由多径色散及多普勒频移造成的频率—时间选择性衰落是城市移动无线信道的一个重要特性。
It is found that a novel acoustooptic coupled ring resonator can be got for the frequency shift and filtering characteristics of the acoustooptic fiber coupler.
结果表明利用光纤声光耦合器的移频与滤波特性，可研制成一种全新结构的光纤声光耦合环形谐振腔。
So, for the same SNR, edge techniques can improve the measurement accuracy of Brillouin frequency shift greatly comparing with the conventional detection techniques.
所以，在相同信噪比下，与常规检测技术相比，边缘检测技术可以大大提高布里渊频移测量精度。
Furtheremore, the analysis indicates that the Doppler frequency shift cannot be Used to explain the wavelength self-scanning initially towards the longer wavelength.
进一步的分析显示，多普勒频移不能解释朝长波方向扫描的波长自扫描现象。
Furtheremore, the analysis indicates that the Doppler frequency shift cannot be Used to explain the wavelength self-scanning initially towards the longer wavelength.
进一步的分析显示，多普勒频移不能解释朝长波方向扫描的波长自扫描现象。
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