According to the NAH theory and propagating characteristics along different directions, sound field separation technique can be established in the wave-number domain.
从近场声全息原理出发，利用声波沿不同方向传播的特点，针对平面、柱面和球面全息测量建立了波数域内的声场分离公式。
Based on the theory of electromagnetic field, the electrically distributed parameters of pipelines in frequency domain are emphatically analyzed, and its relative model is established in this paper.
本文借用电磁场中的已有理论，着重分析了管线在频率域中的电性分布参数。
Based on the theory of electromagnetic field, the electrically distributed parameters of pipelines in frequency domain are emphatically analyzed, and its relative model is established in this paper.
本文借用电磁场中的已有理论，着重分析了管线在频率域中的电性分布参数。
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