通过实验比较，使用微波透镜后测试结果明显改善，天线增益明显提高，使近场测试的结果更接近于远场测试的结果。
The experimental results show that the measurement obtained is apparently improved, and the antenna gain greatly increased, therefore the efficiency is more close to that by the far-field measurement.
采用数值计算方法模拟了同样增益长度的单、双增益模块系统的热特性和输出激光的远场光斑分布，并进行了对比分析。
The heat character and far-field facula of liquid laser with single gain host and double gain host at the same gain length were simulated, and then compared.
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