Firstly, we introduce the radar equation of weather radar, the basic principles of detection weather targets, the time and frequency domain properties of weather radar echo and its simulation methods.
首先简要介绍了气象雷达的雷达方程、气象雷达探测气象目标的基本原理、气象目标回波的时域频域特性和气象回波信号的模拟方法。
Simulation results show that non-stationary noise can be identified in time domain and resolution improvement is obvious compared with that of conventional noise detection in frequency domain.
实验表明：非平稳噪声在时域中是可以识别的，与传统的噪声频域检测方法相比，分辨率有明显的改善。
And then, based on experiments and combined with three-dimensional full-wave electromagnetic simulation software, the frequency domain and time domain performance of the through-hole via is analyzed.
然后基于实验研究，并结合三维全波电磁仿真软件在频域和时域对通孔结构性能进行分析。
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