This paper deeply studies these problems. Several methods of the control of systems with nonsmooth nonlinearities are presented and applied to air-ground missile system.

本文就此类问题展开深入研究，提出几种能克服不光滑非线性影响的控制系统设计方法，并将所提出的控制方法应用到空地导弹控制系统中。

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Among the guidance principles of the air-to-ground missile, the proportional guidance method and the direct guidance method have their respective advantages and disadvantages.

在空地导弹的导引律中，比例导引法与直接导引法各有优缺点。

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Penetration ability is an important performance index of ground-to-ground missile. It is significant to evaluate the penetration ability in the reasoning of ground-to-ground missile system.

突防能力是地地导弹的一项重要性能指标，在地地导弹武器系统论证中，对突防能力进行评估具有重要意义。

youdao

The Obama administration's plan will replace Bush's anti-missile plan with a re-designed sea- and ground-based system, which destroys short and mid-range missiles instead of intercontinental missiles.

VOA: standard.2009.09.24

For the JAGM contract, Lockheed provides a 27-month technology development program that includes design, test and demonstration of joint air-to-ground missile system that significantly enhances warfighters operational flexibility and combat effectiveness.

FORBES: Lockheed's Flurry Of New Contracts Provides Short Term Support

Ground-based missile defense is especially costly and not nearly as effective as sea- and space-based systems would be.

FORBES: Magazine Article

The re-instituted missile ground-based system plan will put 14 more long-range interceptors in Fort Greely, Alaska by 2017 to supplement the 30 already existing on the West Coast.

FORBES: Move up http://i.forbesimg.com t Move down