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- W4387029157 abstract "Space is becoming increasingly congested and contested, which calls for effective means to conduct effective monitoring of high-value space assets, especially in Space Situational Awareness(SSA) missions, while there are imperfections in existing methods and corresponding algorithms. To overcome such a problem, this letter proposes an algorithm for accurate Connected Element Interferometry(CEI) in SSA based on more interpolation information and iterations. Simulation results show that:(i)after iterations, the estimated asymptotic variance of the proposed method can basically achieve uniform convergence, and the ratio of it to ACRB is 1.00235 in δ0 ∈ [-0.5, 0.5], which is closer to 1 than the current best AM algorithms; (ii)In the interval of SNR ∈ [-14dB, 0dB], the estimation error of the proposed algorithm decreases significantly, which is basically comparable to CRLB (maintains at 1.236 times). The research of this letter could play a significant role in effective monitoring and high-precision tracking and measurement with significant space targets during futuristic SSA missions." @default.
- W4387029157 created "2023-09-26" @default.
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- W4387029157 date "2023-01-01" @default.
- W4387029157 modified "2023-09-26" @default.
- W4387029157 title "A frequency estimation algorithm for high precision monitoring of significant space targets" @default.
- W4387029157 doi "https://doi.org/10.1587/transfun.2023eal2047" @default.
- W4387029157 hasPublicationYear "2023" @default.
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