Because of the small display capacity and low brightness, and difficulty to display secondary information, traditional radar random scan display is being replaced by radar raster scan display.
传统的雷达随机扫描显示器因存在显示容量较小，显示亮度很低，难以实现二次信息显示等缺点，已逐渐被雷达光栅扫描显示器所取代。
A new raster metering method is put forward, which not only has some advantages of small bulk, light weight and ease of installation, but also has higher precision.
该方法涉及的测量系统不仅体积小、质量轻，便于安装调试，而且精度也比较高，克服了前几种方法的不足。
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