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

    此外应用频移方法可以发现恒星的质量

    youdao

  • This paper has discussed the way of probing Doppler shift signal based on crossed phase detecting method in detail and introduced each function circuits briefly.

    本文详细论述依据正交相位检测法提取多普勒频移信号方法部分实现电路作一简要的介绍

    youdao

  • 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多普勒观测研究电离层扰动一个重要方法

    youdao

  • A new method for digital identification and demodulation of MPSK signals is presented under the condition of the Doppler frequency shift of channel attenuation.

    针对衰落信道广泛存在多普勒现象,本文提出了一种MPSK信号数字化识别解调方法

    youdao

  • A biological recognition method by feature detection of human body on the move was presented, and the mathematical model of Doppler shift was established.

    根据生物生命体行为特征提出种新的生物识别方法建立多普勒频移数学模型

    youdao

  • Then a new method of computing Doppler shift is presented, in which the variation of link length is regarded as the relative velocity between satellite and earth station.

    随后给出一种链路距离变化率作为相对速度计算多普勒频移方法

    youdao

  • According to P-code features of large Doppler frequency shift and long code period, the method that shortens the scope of carrier frequency search is studied.

    针对P码多普勒周期长的特点,本文探讨缩短载频搜索范围方法

    youdao

  • Experimental results show that this method has advantages in achieving the Doppler shift of the satellite tracking.

    实验表明方法实现卫星多普勒频偏跟踪具有更大的优越性

    youdao

  • Making use of Doppler shift to control explosion is one method.

    利用多普频率控制起爆就是方法之一

    youdao

  • The method in which coherent accumulation is carried out after the echo is compensated by a Doppler frequency shift is introduced.

    提出一种回波信号进行多普补偿再进行相干积累方法

    youdao

  • Using this method, the synchronized PN code phase and approximation value of Doppler shift are got.

    捕获方法捕获到同步长周期伪同时得到了多普勒频偏近似值

    youdao

  • Using two-dimensional signal vectors, the process of Doppler shift modulation and demodulation is analyzed, and a signal processing method for extracting flow speed information is derived.

    如何测量回波勒频实现测流速的目的。 文中从二维信号矢量的角度分析了多普勒频移调制解调的过程推导出提取速度信息信号处理方法

    youdao

  • So the method that the Doppler frequency shift which obtained using theforecast approach aids the carrier tracking loop is proposed.

    基于卫星轨道可模化、可预测的特性,提出了利用轨道预报得到多普勒移来辅助环路跟踪的新方法

    youdao

  • So the method that the Doppler frequency shift which obtained using theforecast approach aids the carrier tracking loop is proposed.

    基于卫星轨道可模化、可预测的特性,提出了利用轨道预报得到多普勒移来辅助环路跟踪的新方法

    youdao

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