A complete simulation model for target tracking of a monopulse radar that works at low elevation angles with ground reflection multipath is given.

首先给出了某单脉冲雷达低仰角多路径效应一个完整的仿真模型，包括：多路径传播几何模型、雷达天线模型、跟踪误差模型。

youdao

In the northern peninsula the elevation is sufficiently low that the ancient Maya were able to reach the water table at deep sinkholes called cenotes, or at deep caves.

在半岛北部，海拔足够低，因此古玛雅人能够经由被称为竖井的深层排水口或深洞探及地下水位。

youdao

Bamboo seedlings used for planting this year, low elevation of miscellaneous bamboo shoot red days still paper gratis, arrived at the village, town, street acceptance of delivery.

今年造林所用竹苗，低海拔杂竹苗仍由赤天化纸业无偿提供，运抵乡、镇、街道验收交货。

youdao

At 1, 800m in elevation, low clouds often fill the valley like a lid, the palms scratching their wispy underbellies.

BBC: Colombia��s valley of the palms

Whether he gets it right or not, Mr Logan's elevation at least satisfies a hunger in the media industry right now for low-key bosses.

ECONOMIST: Can Don Logan repeat at AOL what he did for Time Inc?