天线辐射效率 Antenna radiation efficiency ; [电讯] radiation efficiency of antenna
辐射效率的确定 Determination of radiation efficiency
发光辐射效率 luminous radiation efficiency
天线辐射效率量测 antenna measurement radiation efficiency
真空紫外辐射效率 Vacuum ultraviolet radiation efficiency
辐射利用效率 RUE ; radiation use efficiency
各向同性辐射有效功率 effective isotropic radiated power
辐射发光效率 Radiant Efficiency
辐射计数管效率 radiation counter efficiency
也就是说，要求高的信号保真度，必将导致低的辐射效率。
Thatis to say, to demand high fidelity of signal, it would have to lower the radiation efficiency.
由于在中、低频时，声辐射模态对应的辐射效率随着模态阶数的增加而迅速降低。
The radiation efficiency of the radiation modes falls off very rapidly with the increase of modes order at low frequency.
其结果包括阵列单元的输入阻抗、空间波辐射效率、方向性系数和辐射方向图等。
The results for element input impedance, radiation efficiency of space wave, directivity and radiation pattern are presented.
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