• 研究表明:俘获的信号脉冲能产生

    Results show that the trapping pulse generates frequency shift.

    youdao

  • 状态方程综合考虑多普勒定时误差

    Doppler frequency drift and timing error were considered in state transform equations.

    youdao

  • 以二模型解释了反斯托克斯荧光频移效应。

    The large peak shift is explained by a dimer model.

    youdao

  • 此外应用频移方法可以发现恒星质量

    Furthermore, applying the Doppler shift method, one can find the mass of a star.

    youdao

  • 线路均衡器控制方法积分电路电路传输装置

    Line equalizer control method, and integrating circuit, frequency shift circuit and transmission device.

    youdao

  • 借助测量水体布里散射得到水体声速温度

    The water sound speed and temperature can be calculated by measuring Brillouin scattering frequency shift.

    youdao

  • 计算出了几种典型静止轨道卫星信道大多普勒频移

    The maximum Doppler shift in some typical non-GEO satellite channels are figured out.

    youdao

  • 结果表明抽运方案可以有效降低铯原子束中的

    The results show, the light frequency shift can be effectively reduced in the sharp Angle laser light pumping scheme.

    youdao

  • 处理数字语音(音乐)信号处理中一项十分重要技术

    It is an important technology to shift the frequency in digital vocal (musical) signal processing.

    youdao

  • 复合系统通信中,飞行器动态使信号存在多普勒

    In the communication of multiplex system, the DS signal exists Doppler frequency shift for the high dynamic situation of aerocraft.

    youdao

  • OFDM系统中,影响性能一个重要参数就是大多普

    The maximum Doppler frequency shift is an important parameter which affects the performance of the OFDM system.

    youdao

  • 此项误差决定原子喷泉准确度总体水平主要因素之一

    This uncertainty is one of the critical factors governing the accuracy level of the cesium fountain frequency standard.

    youdao

  • 无线环境存在衰落多谱勒信道快速时变许多不利因素。

    There are lots of disadvantages in wireless environment, such as multi-paths fading, Doppler frequency shift and fast time varying of channel.

    youdao

  • 电离层反射回波多普勒观测研究电离层扰动一个重要方法

    Doppler frequency shift observation of ionospheric high frequency echo is an important method for studying ionospheric disturbances.

    youdao

  • 详细介绍NIM4喷泉系统及其不确定度最新评定方法结果

    This paper introduces the frequency deviations of NIM4 Cesium fountain clock , the method and result of a new evaluation.

    youdao

  • 补偿的多普勒频移引起载波同步伪码捕获性能下降

    Doppler compensation techniques: the large Doppler frequency offset can case the performance degraded in PN and carrier synchronizing.

    youdao

  • 两者载波敏感,且在AWGN多普勒环境表现相当。

    But both of them are sensitive to carrier frequency shift, further, they have comparative BER under AWGN and Doppler shift environment.

    youdao

  • 利用智利天文望远镜天文学家测量星云气体多普勒速度

    By using telescopes in Chile, the astronomers measured Doppler shifts and thus velocities of gas in the Trifid.

    youdao

  • 采用边缘探测技术测量布里误差会海表温度测量精度带来很大影响

    The error of measuring Brillouin frequency shift based on brim detecting technology has great influence on the measurement precision of sea surface temperature.

    youdao

  • 雷达回波信号幅度相位多普勒外,还存在第四特征——极化信息

    Besides amplitude, phase and Doppler frequency, polarimetric information is the fourth characteristic in the radar echo.

    youdao

  • 针对LF M脉冲雷达宽带回波信号多普勒频移时延估计问题进行了研究。

    In this paper, the Doppler frequency and time-delay estimators of wideband echoes for LFM pulse radar are discussed.

    youdao

  • 水声通信中,由于发射接收平台之间相对运动多普勒频移无法避免的。

    Doppler shift is unavoidable in underwater acoustic communications because of relative moving between the transmitter and the receiver.

    youdao

  • 最后比较滤波器、下滑滤波器、以及滤波器抑制性能

    Finally, a comparison about performance is made among up sliding filter, down sliding filter and none sliding filter in suppression of frequency shifting.

    youdao

  • 本文利衰落模型下,研究了电离层信道多径时延多普勒频移随机特性

    In this paper, with Rayleigh fading the random characteristics of multipath time delay and Doppler shift in HF ionospheric channels is discussed.

    youdao

  • 研究牵引效应微波功率频移缓冲气体温度系数标输出影响

    The cavity pull effect, microwave power shift, light shift and temperature coefficient which mostly influence the performance of RAFS are studied.

    youdao

  • 结果表明,多普勒频移共振位置有精细的影响,并且拉比越大多更加明显

    It is found that doppler-shift can influence the resonant position and Dopper-shift is more obvious if Rabi frequency is larger.

    youdao

  • 多径色散多普勒造成时间选择性衰落城市无线信道一个重要特性

    The frequency time selective fading resulted from multipath dispersion and Doppler frequency shift is an important characteristic of urban mobile radio channel.

    youdao

  • 报道了在原子波谱多普勒频移微波慢波系数变化讨论产生这种现象的原因

    We report the Doppler shift of Na spectroscopy changing with the slow wave factor in a slow wave microwave field the reason of the phenomenon is discussed.

    youdao

  • 此基础得到电离层反射信号公式以及穿过电离层的信号的多普勒频移公式。

    The formulas of Doppler shift due to the reflected signal and that travelling through the ionosphere are thus derived.

    youdao

  • 利用多普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 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.

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定