当这艘飞船在一个固定方向盯着它，校准它的方位时捕捉到这个图像。
The image was captured as thespacecraft stared in a fixed direction, to calibrate it
在微波通信中，天线方位角的校准通常采用经纬仪法，存在误差大、效率低的缺点。
In microwave communication, the conventional theodolite method for antenna azimuth calibration is of large error and poor efficiency.
首先充分考虑了系统参量的频率和方位角特性，提出了适合低频uwb - SAR校准的雷达方程。
Firstly, with the consideration of the frequency and aspect Angle dependent parameters of the low frequency UWB-SAR, the radar equation for calibration is proposed.
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