This mode is very sensitive to the ionospheric Doppler modulation.
这种模式是非常敏感的电离层多普勒调制。
Theory of Stark effect modulation with Doppler broadening is analyzed by the semiclassical theory.
用半经典理论分析了含多勒普加宽的斯塔克效应调制。
Ionospheric frequency modulation causes spreading of the surface clutter in Doppler domain which greatly limits the detection performance of HF sky-wave radars.
电离层频率调制导致地表面杂波的多谱勒展宽，极大地限制了高频天波雷达的目标探测性能。
On the basis of the principle of range-Doppler coupling of linear frequency modulation signal, a new method of radial velocity estimation for high coupling coefficient is presented.
本文在分析了线性调频信号距离—多普勒耦合原理的基础上，提出了一种高耦合系数条件下径向速度估计的新方法。
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.
如何测量回波的多普勒频移，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和解调的过程，推导出提取速度信息的信号处理方法。
Mapdrift algorithm is an autofocusing processing which can get correct Doppler frequency modulation slope in SAR processing.
在SAR成像中，MD算法是一种对多普勒调频斜率进行估计的自聚焦处理过程。
Mapdrift algorithm is an autofocusing processing which can get correct Doppler frequency modulation slope in SAR processing.
在SAR成像中，MD算法是一种对多普勒调频斜率进行估计的自聚焦处理过程。
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