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- W3200354988 abstract "This paper provides a complete method to solve the defects of spectrum analysis for discrete signals. Many researches had issued to deal with the defects of FFT (Fast Fourier Transform). Those methods maybe cause the characteristics of original signal altered, or solve this problem in part only. The defects of spectrum analysis can't be solved efficiently and completely by those methods. These defects result from that frequency scales can't match with signal characteristics. This paper bases on the concept to establish a complete solution, dividing into three steps: Firstly, this paper analyzes the signal characteristics to be the basis of spectrum adjustment. A simple and accurate algorithm is used to find the frequency and amplitude of each component. Next, this paper finds optimum spectrum parameters to make the new spectrum match with signal characteristics. Finally, this paper takes the parameters to reanalyze the original signal. The method will make spectrum analysis reach optimization. Every procedure in this paper compares with traditional ones to prove its benefits. Moreover, we verify the theory feasible by analyzing actual signals." @default.
- W3200354988 created "2021-09-27" @default.
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- W3200354988 date "2004-06-21" @default.
- W3200354988 modified "2023-09-25" @default.
- W3200354988 title "The optimization of spectrum analysis for digital signal" @default.
- W3200354988 doi "https://doi.org/10.1109/pes.2003.1270478" @default.
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