The developing process of a suit of certified reference materials of nitrogen cast iron for spectrum analysis was introduced.

介绍一套含氮铸铁光谱分析标准物质的研制过程。

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A fast method for spectrum analysis and interpolation using artificial neural network (NN) for the microwaves surveying system is studied.

本文研究了在微波探测系统中，利用人工神经网络做谱分析和插值的快速方法。

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The standard method for spectrum analysis in digital signal processing is the discrete Fourier transform(DFT), typically implemented using a fast Fourier transform(FFT) algorithm.

数字信号处理中标准的频谱分析方法是离散傅立叶变换（DFT），典型的实现方法是快速傅立叶变换（FFT）。

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D. in probability theory and was hoping for a university job doing spectrum analysis of dolphin sounds when McQuown attracted him to Wells Fargo.

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The best-established treatments for children with autism spectrum disorders fall under the broad heading of Applied Behavior Analysis -- often referred to as a "behavioral" approach.

CNN: Mothers fight to pass Ava's Law for autism coverage