到达角是指到达观测点的波辐射传播方向的量度。
... 捣乱呼叫追查 annoyance call trap 到达角/接受角 acceptance angle 到期日 due date ...
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The estimation of direction of arrival, extraction of time-frequency characters, algorithms for efficient time-frequency computation and the methods to estimate instantaneous frequency are discussed.1.
本文主要讨论了利用时频分布的到达角估计、高效的时频分布计算方法和信号的时频特征提取等问题。
参考来源 - 时频分析在雷达信号多参数估计中的应用研究The detail content is arranged as below:Firstly, this paper introduces a new set of digital sounding system of HF Doppler shift and the angle of arrival.
首先,本文系统地介绍了新近研制的数字高频多普勒与到达角探测分析系统。 它由微型计算机、数据采集器、具有高稳定度频率源的HF程控接收机以及天线阵等构成。
参考来源 - 电离层扰动的高频探测与诊断·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了后向散射回波与信标光到达角起伏的原理性比对实验。
The contrastive experiment of back-scattering echo and beacon angle-of-arrival fluctuation was introduced.
基于这一点也可将其用在存在多径情况下的目标到达角的估计中。
Based on this, it can also be used in estimating the arrival Angle of a target in the presence of multipath.
请注意，泡沫板出售声待遇往往是造型的外观，并更好地吸收声音到达角。
Note that foam panels sold as acoustic treatment are often sculpted for appearance, and to better absorb sound arriving at an angle .
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