The problems of guaranteed precision of random dynamic response of closed loop system of 8-meter intelligent caliber antenna under random wind excitation are studied.

研究了8米口径智能天线结构在随机风荷作用下其保精度闭环控制随机响应问题。

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Low speed wind tunnel experiment requires strict of the wind speed, which requires a wild range of wind speed, high precision, and quick adjustment.

低速风洞实验要求对实验段的风速有严格的控制，要求风速调节范围宽，精度指标高，调节速度快。

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The analysis of the surface precision reliability of a large parabola antenna structure with random parameters, which is subjected to wind load, is presented.

具体分析了大型园抛物面天线结构在随机风载和结构自身随机参数影响下的表面精度可靠性。

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For one thing, lightweight mechanical arms are needed to reach high into trees and pick with precision, despite wind and uneven terrain.

ECONOMIST: Agricultural robots