A switching function model for PWM reversible rectifier is established by using the switching function and the theory of condition space.

根据开关函数及状态空间理论建立了电压型PWM可逆整流器的开关函数模型。

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The switching function model may be divided into two models of high frequency and low frequency. Then the average model for condition space of the rectifier is developed.

通过对开关函数求傅里叶级数，将开关函数模型分解为高频和低频两个模型，从而求得整流器的状态空间平均模型。

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This paper describes an approach using power bond graph and condition space method to digitally imitate the dynamic characteristics of the hydrostatic bearings with film feedback throttle.

本文介绍采用功率键合图和状态空间法对薄膜反馈节流液体静压轴承的动状特性进行数字模拟的方法；

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At space agency headquarters, doctors studied his medical condition as the information was being sent back to Earth.

VOA: special.2009.06.24

When the chapel was transferred to Epsom and Ewell Borough Council in 2004 it was on condition it was used as a community space.

BBC: Epsom disused chapel to be run as community space

Perhaps the project did not include enough solar-energy panels and wind turbines in the marketing materials, which are a de facto pre-condition to coverage for many publications in the cleantech space.

FORBES: Clean Energy Tops Agenda in Connecticut

"Also, after five years, we'll return the land back to its owners in exactly the same condition as we got it, and then the community can decide if it wants a more permanent retail space there, " he says.

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