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.

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.

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.