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- W2362321824 abstract "Under condition of low SNR and short duration of measured frequency, to increase precision of frequency estimation and extend applicable range of existing methods, a fusion algorithm of multi-section signals with the same frequency and length was proposed. In the algorithm, for phase discontinuity among different sections, phase-difference compensating factor matrix was designed to obtain frequency spectrum as well as phase-continuous signal. For unknown parameters in the phase-difference compensating factor matrix,search frequency array for actual computation was generated and frequency spectrum amplitude matrix was obtained with certain form. To prove validity of the algorithm, the detailed mathematical justification was provided. Simulated experiments with different application environment parameters were carried out. They show that the algorithm is true of any type of multi-section signals with the same frequency and length. It has good noise immunity and its precision of frequency estimation is much higher than that of existing methods." @default.
- W2362321824 created "2016-06-24" @default.
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- W2362321824 date "2009-01-01" @default.
- W2362321824 modified "2023-09-26" @default.
- W2362321824 title "Fusion Algorithm for Frequency Estimation of Multi-Section Signals with Same Frequency and Length" @default.
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