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Spectrum analyzing method

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专利汇可以提供Spectrum analyzing method专利检索,专利查询,专利分析的服务。并且PURPOSE: To make it possible to perform spectrum analysis excellent in resolving power and stability from a reduced number of data, by estimating the peripheral data of time series data regarded as a steady state ergodic porcess on the basis of an autoregressive model.
CONSTITUTION: The analogue signal inputted from an input terminal 11 is standarized at a definite cycle by an AD converter 12 and Mo-numbers of time series data are inputted to a peripheral data estimating part 13. In this case, it is investigated whether said time series data are regarded as a steady ergodic process and, when said data follow the steady ergodic process, the peripheral data of Mo-numbers of time series data are repeatedly estimated on the basis of an autoregressive model. Finally, L
1 -numbers of data and L
2 -numbers of data before and after Mo-numbers of data are estimated and Fourier transform is applied to the obtained time series data by a Fourier transform part 14 to obtain the spectrum of time series data.
COPYRIGHT: (C)1985,JPO&Japio,下面是Spectrum analyzing method专利的具体信息内容。

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