这些具有不同的特性，由于发动机起动，需要非常高的扫射安培时间很短。

These have different characteristics since engine starting requires very high bursts of amperage for short periods.

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然后，利用建立的数学模型分析起动电机特性对燃气涡轮轴发动机起动性能的影响。

Then, we can use the model to analyze starter characteristic effect on start performance of turboshaft engine.

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本文利用某型涡扇发动机高空模拟试车台的试验结果，选取其中3次左边界起动试验的数据，着重对该发动机的风车起动点火特性进行了分析。

Using the available data from 3 starts in simulated altitude tests, the windmilling start ignition characteristic of a turbofan engine was analyzed in this paper.

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