多普勒频率滤波器 Doppler filter
多普勒频率指示器 [电讯] Doppler frequency indicator
多普勒频率计 [电子] dopplometer
和差分多普勒频率算法 Differential Doppler Algorithm
Firstly, a DDS-based method for digital-domain synthesis of time-varying Doppler frequency in dynamic GPS signal is proposed in this dissertation.
论文首先基于直接数字频率合成技术提出了一种能够在数字域内直接合成出动态信号中时变多普勒频率的信号合成方法。
参考来源 - 高动态GPS载波跟踪技术研究Due to the severe Doppler shift,the application of OFDM in underwater acoustic channel is limited.
水声通信中存在着严重的多普勒频率偏移,限制了OFDM技术在水下的应用。
参考来源 - 正交频分复用在水声通信中频率同步的研究Finally,the impacts of SNR and Doppler frequency on transmission time were investigated.
最后,研究了平均信噪比和多普勒频率对传输时间的影响。
参考来源 - 无线网络中自适应调制编码联合ARQ的性能分析 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
常规的ISAR成像方法是利用散射点的多普勒频率来成像。
The conventional ISAR imaging method is based on the instantaneous Doppler of scatterers .
在卫星导航定位系统中，多普勒频率偏移是影响接收机性能的关键因素之一。
In the satellite navigation and positioning system, Doppler shift is one of the key problems that may degrade the performance of the satellite receiver.
本方法对目标回波信号采用了相干视频模拟法，在视频上模拟目标回波的多普勒频率。
In the method, the target reflected signal is generated by the way of coherent video simulation and the Doppler frequency of target is simulated on video.
应用推荐