采样面截断误差是影响近场测试结果的一个很重要的因素。
Sampling plane truncation error is a very important factor of affecting the result in time domain near field measurement.
同时可以很方便地进行探头修正，并讨论天线平面近场测试中各关键参数对测试结果的影响。
At the same time, the corrections of probe-effect can be easily done and the effect of some key parameters in measurements can be easily discussed.
利用此方法可以依据天线平面近场测试数据快速简便地求得天线远场方向图及其它特性，其精度较高；
The far field patterns and performances of antenna under measurement can be obtained rapidly and efficiently by this method compared to some conventional methods, the precision is good enough.
文中就超低副瓣天线近场测试所涉及的若干关键技术和直接影响测试计算精度的各类误差源进行了探讨。
This paper presents some key techniques for measuring ultra low sidelobe antennas by near field scanning, and discusses various error sources that directly affect the measurement accuracy.
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.
本文在已建立的天线时域近场测试系统的基础上，从实验的角度，对“时间窗”参数在天线时域平面近场测试中的影响进行验证分析。
On basis of the time-domain experimental system built, the effect of time-gate on antenna planar near-field measurement in time domain is analyzed.
近场天线测量中，采用大的采样间隔，有利于提高测试和数据处理的效率。
The larger sampling spacing is advantageous to enhance the measurement and data processing efficiencies for near field antenna measurements.
截止波长测试和近场光强分布检验表明，该光子晶体光纤确实具备较宽的单模工作范围。
The measurements of the cut-off wavelength and the near field intensity distribution show that the PCF does have comparatively wide single-mode operating range.
本文按实测试验数据建立了一种表示近炸引信空中目标近场散射特性的数学模型。
This paper presents the modeling of air targets of proximity fuzes using experimental data.
本文按实测试验数据建立了一种表示近炸引信空中目标近场散射特性的数学模型。
This paper presents the modeling of air targets of proximity fuzes using experimental data.
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