在超低噪声系统中,天线欧姆损耗噪声也是很重要的。
Noise due to antenna ohmic loss is important in ultralow noise system.
本文利用电磁波在金属表面的反射系数,推导出反射面天线表面欧姆损耗效率的计算公式。
Ohmic loss efficiencies of different high reflectivity reflector antenna metal surface are calculated at frequencies 30~300GHz.
PV电池的串联电阻(rs)与电池上的金属触点电阻、电池前表面的欧姆损耗、杂志浓度和结深有关。
The series resistance (rs) of the PV cell may be due to the resistance of the metal contacts on the cell, ohmic losses in the front surface of the cell, impurity concentrations, or junction depth.
PV电池的串联电阻(rs)与电池上的金属触点电阻、电池前表面的欧姆损耗、杂志浓度和结深有关。
The series resistance (rs) of the PV cell may be due to the resistance of the metal contacts on the cell, ohmic losses in the front surface of the cell, impurity concentrations, or junction depth.
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