The principle and signal processing flow of air-to-ground ranging (AGR) in airborne radar are introduced, and the accuracy of pitch error is analyzed.
研究了机载雷达空地测距的原理和信号处理流程，并对俯仰误差精度进行了分析。
Yet despite its high cost, creatures ranging from ground dwellers to tree climbers and even flyers do it.
尽管这些花费过多，从地上居的到树上爬的，甚至天上飞的动物们都会去做。
It pumps hydrocarbons in more than two dozen countries, ranging from Russia to Qatar to Venezuela, and has on-the-ground experience in dozens more.
埃克森在20几个国家开采炭氢化合物，从俄罗斯、卡塔尔，到委内瑞拉，并且在当地已经有了十几年的开采经验。
The new design is a linear landscape slope, ranging from ground level to 2 meter high.
新的设计是一个2米高的线性斜坡景观。
The project requires the construction to be carried out in various ground conditions ranging from deep buried channel of Kallang formation to Old Alluvium formation.
本工程地层为从深埋的加冷河构造通道到旧的冲积层构造，施工地层条件变化多端。
It is verified that the lunar probe can be navigated in real time by ranging data based on the local ground tracking site. The method and result of the research may serve as reference fort...
结果表明仅依靠局域的地面站，采用测距的方式，可以对探测器进行实时导航。
It is verified that the lunar probe can be navigated in real time by ranging data based on the local ground tracking site. The method and result of the research may serve as reference fort...
结果表明仅依靠局域的地面站，采用测距的方式，可以对探测器进行实时导航。
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