1) radio-frequency loss
射频损失
2) frequency and wave number lossing
频波损失
3) loss frequency
损失频度
4) reflection loss
反射损失
1.
Computed results show that coating layer arrangement has important effect of reflection loss c.
按照Kraus的传输线阻抗转换方程,迭代计算了厚度3mm,1~6层吸波涂层的反射损失在2~18GHz频率范围随频率的变化。
2.
The impedance characteristics and radiation patterns of conformal bow-tie microstrip antennas on a cylinder with small curvature radius and finite length were studied, and the simulation results of reflection loss and radiation patterns of the antennas with different curvature radius were presented.
给出了不同曲率半径下的柱面共形蝶形微带天线反射损失和方向图的仿真结果。
5) radiation loss
辐射损失
1.
To investigate radiation loss inside the low power argon Arcjet Thruster,numerical simulations and analyses were carried out by using radiation and no radiation models contrastively.
为了研究低功率氩电弧喷射推力器中的辐射损失,采用辐射模型和非辐射模型对其工作过程进行了对比数值模拟分析。
6) diffraction loss
绕射损失
1.
Analyse the reason of traffic flows effect on the deflection,give the equal time model and the calculative formula of diffraction loss of infinite line sound source and finite noise barrier in low traffic flows.
分析了车流量对这种偏差影响的原因,提出了等效时间模型和利用无限长线声源、有限长声屏障绕射损失计算公式进行修正的方法。
2.
This paper analyses the reason of the train running time gap effect on the deflection,and gives the equal time model and the calculative formula of diffraction loss of infinite line sound source and finite noise barrier.
分析了列车运行时间间隔对这种偏差的影响,提出了运用等效时间模型对无限长线声源、有限长声屏障绕射损失计算公式进行修正的方法。
补充资料:射频
射频
物理学术语。介于声波和红外线之间的波的频率。用于MR研究的射频常在兆赫兹(MHz)范围内。磁共振成像中,必须使用射频脉冲选择性激励特定层面的质子,以产生MR信号。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条