索末菲关于波的展开理论证明，球面波可以展开为平面简谐波的叠加。
Sommerfeld's wave expansion theory demonstrates that a spherical wave can be expanded as the superposition of plane simple harmonic waves.
应用所设计的数字滤波器对由多个简谐波合成的复杂信号进行了滤波分析。
A complex signal comprising several simple harmonic components is analyzed to check the performance of this Digital Filter software.
该试验台可为减振器试验提供简谐波、方波、锯齿波、随机路面谱等多种激振波形。
This test bench can provide a variety waveforms including: sine, square, saw-tooth, random road surface.
推导出了具有一般形式的平面简谐波的波动方程，利用此公式求解波动方程简单而且准确。
The wave equation having general forms of planar simple harmonic wave is deduced in this article. It is simple and accurate to solve wave equation by using this formula.
推导出了具有一般形式的平面简谐波的波动方程，利用此公式求解波动方程简单而且准确。
The wave equation having general forms of planar simple harmonic wave is deduced in this article. It is simple and accurate to solve wave equation by using this formula.
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