在运行中，马达结构作为线性马达工作，使辐射表面14沿着运动轴线22(下文中称为“轴线”)振动，辐射压力波。
In operation, the motor structure operates as a linear motor, causing radiating surface 14 to vibrate along a axis of motion 22 (hereinafter "axis"), radiating pressure waves.
文中用数值法分析了这种印制天线在标准同轴线馈电时的驻波和辐射功率特性。
The standing wave and the characteristic of the radiated power of this printed antenna fed by the standard coaxial line are analyzed by the numerical method.
它利用微带线或者同轴线等馈线馈电，在导体贴片与接地板之间激励起辐射电磁场，并通过贴片四周与接地板之间的缝隙向外辐射。
Microstrip and coaxial-cable are used to feed to the antennas. Electromagnetic field can radiate to space through the patches and the aperture which connect to the ground plane.
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