Using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.

利用相函数的频谱分析求其自功率谱，可以反映它的频率结构。

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The auto power spectrum curves of the dry parallel reactor are obtained from the prototype dynamic test.

通过干式空心并联电抗器的现场原型动力试验，得到该电抗器各方向的自功率谱曲线。

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The auto power spectrum of phase function commonly has two extreme frequencies, and the corresponding frequency components decide the peak characteristics of phase function.

相函数的自功率谱一般具有两个峰值频率，其相应的频率分量决定相函数的波峰特征。

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All this networking was made possible by a 1999 grant from Congress to the auto industry of 75 megahertz of radio spectrum for safety use.

FORBES: Car Talk

Toyota Motors is stepping up its focus on the extreme ends of the auto market i.e. luxury cars on the higher end of the spectrum and cars for the more price sensitive consumers at the lower end.

FORBES: Toyota Bets On Extreme Ends Of The Auto Market On Its Way To $90