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Most Kalman filter extensions assume Gaussian noise and when the noise is non-Gaussian, usually other types of filters are used. These filters, such as particle filter variants, are computationally more demanding than Kalman type filters.…

应用统计 · 统计学 2021-05-19 Matti Raitoharju , Henri Nurminen , Demet Cilden-Guler , Simo Särkkä

Sapce-borne gravitational wave antennas, such as LISA and LISA-like mission (Taiji and Tianqin), will offer novel perspectives for exploring our Universe while introduce new challenges, especially in data analysis. Aside from the known…

广义相对论与量子宇宙学 · 物理学 2024-09-17 Yuxiang Xu , Minghui Du , Peng Xu , Bo Liang , He Wang

Future space-based laser interferometric detectors, such as LISA, will be able to detect gravitational waves (GWs) generated during the inspiral phase of stellar-mass binary black holes (SmBBHs). The detection and characterization of GWs…

天体物理仪器与方法 · 物理学 2025-02-04 Yao Fu , Yan Wang , Soumya D. Mohanty

The detection of stochastic gravitational wave background (SGWB) is among the leading scientific goals of the space-borne gravitational wave observatory, which would have significant impact on astrophysics and fundamental physics. In this…

广义相对论与量子宇宙学 · 物理学 2023-01-04 Jun Cheng , En-Kun Li , Yi-Ming Hu , Zheng-Cheng Liang , Jian-dong Zhang , Jianwei Mei

We present the implementation of an anomaly-detection algorithm based on a deep convolutional autoencoder for the search for gravitational waves (GWs) in time-frequency spectrograms. Our method targets short-duration ($\lesssim…

广义相对论与量子宇宙学 · 物理学 2026-02-23 Gianluca Inguglia , Huw Haigh , Kristyna Vitulova , Ulyana Dupletsa

Gravitational waves (GWs) have provided a new lens through which to view the universe beyond traditional electromagnetic methods. The upcoming space-based gravitational wave mission, Laser Interferometer Space Antenna (LISA), will give us…

宇宙学与河外天体物理 · 物理学 2025-07-17 Shaniya Jarrett , Kelly Holley-Bockelmann , Robert J. Scherrer

Recent advances in numerical relativity provide a detailed description of the waveforms of coalescing massive black hole binaries (MBHBs), expected to be the strongest detectable LISA sources. We present a preliminary study of LISA's…

天体物理学 · 物理学 2014-11-18 J. I. Thorpe , S. T. McWilliams , B. J. Kelly , R. P. Fahey , K. Arnaud , J. G. Baker

Matched filtering is a common method for detecting gravitational waves. However, the computational costs of searching large template banks limit the efficiency of classical algorithms when searching for massive black hole binary (MBHB)…

天体物理仪器与方法 · 物理学 2025-10-20 Fangzhou Guo , Jibo He

Massive stellar origin black hole binaries (SBHBs), originating from stars above the pair-instability mass gap, are primary candidates for multiband gravitational wave (GW) observations. Here we study the possibility to use them as…

宇宙学与河外天体物理 · 物理学 2022-02-16 Niccolò Muttoni , Alberto Mangiagli , Alberto Sesana , Danny Laghi , Walter Del Pozzo , David Izquierdo-Villalba , Mattia Rosati

This paper introduces a novel approach to detect and address faulty or corrupted external sensors in the context of inertial navigation by leveraging a switching Kalman Filter combined with parameter augmentation. Instead of discarding the…

系统与控制 · 电气工程与系统科学 2024-12-12 Artem Mustaev , Nicholas Galioto , Matt Boler , John D. Jakeman , Cosmin Safta , Alex Gorodetsky

Extracting gravitational wave (GW) signals from individual Galactic binaries (GBs) against their self-generated confusion noise is a key data analysis challenge for space-borne detectors operating in the $\approx 0.1$ mHz to $\approx 10$…

广义相对论与量子宇宙学 · 物理学 2022-11-30 Xue-Hao Zhang , Shao-Dong Zhao , Soumya D. Mohanty , Yu-Xiao Liu

Transient noise artifacts, commonly referred to as glitches, pose a major challenge to parameter inference for space-based gravitational-wave (GW) observations. We develop a glitch-robust amortized inference framework for massive black hole…

广义相对论与量子宇宙学 · 物理学 2026-04-16 Tian-Yang Sun , Bo Liang , Ji-Yu Song , Song-Tao Liu , Shang-Jie Jin , He Wang , Ming-Hui Du , Jing-Fei Zhang , Xin Zhang

Space-borne gravitational wave (GW) detectors can detect the merger of massive black holes. The early warning and localization of GW events before merging can be used to inform electromagnetic telescopes and conduct multimessenger…

广义相对论与量子宇宙学 · 物理学 2024-06-17 Hong-Yu Chen , Xiang-Yu Lyu , En-Kun Li , Yi-Ming Hu

Within a Bayesian statistical framework, we jointly estimate the source and lens parameters and evaluate the relative evidence between the lensed and unlensed models. This work focuses on the wave optics effects induced by a point mass (PM)…

高能天体物理现象 · 物理学 2026-01-21 Yong Yuan , Minghui Du , Xin-yi Lin , Peng Xu , Xilong Fan

In this paper we investigate the impact of transient noise artifacts, or {\it glitches}, on gravitational-wave inference from ground-based interferometer data, and test how modeling and subtracting these glitches affects the inferred…

In space-based gravitational wave observatories such as Taiji, LISA, and TianQin, data gaps are inevitable due to mission design, implementation, and the long duration of observations. These data gaps degrade data quality and cause spectral…

广义相对论与量子宇宙学 · 物理学 2024-11-11 Junxi Shi , Jiageng Jiao , Jingqi Lai , ZhiXiang Li , Caiying Shao , Yu Tian

Since the first detection of gravitational waves by the LIGO/VIRGO team, the related research field has attracted more attention. The spinning compact binaries system, as one of the gravitational-wave sources for broadband laser…

广义相对论与量子宇宙学 · 物理学 2022-12-21 Junjie Luo , Jie Feng , Hong-Hao Zhang , Weipeng Lin

For space-based gravitational wave (GW) detection, the main noise source for massive black hole binaries (MBHBs) is attributed to approximately $10^7$ double white dwarf binaries in the foreground. For a GW source, the amplitude of the…

高能天体物理现象 · 物理学 2024-09-27 Pan Guo , Hong-Bo Jin , Cong-Feng Qiao , Yue-Liang Wu

We propose a new method to detect gravitational waves, based on spatial coherence interferometry with stellar light, as opposed to the conventional temporal coherence interferometry with laser sources. The proposed method detects…

Beyond LISA, proposed space-based gravitational wave (GW) missions aim to explore the sub-millihertz to microhertz frequency band, with one key objective being the detection of massive binary black hole (MBBH) mergers across cosmic…

广义相对论与量子宇宙学 · 物理学 2025-09-25 Renjie Wang , Yumeng Xu , Gang Wang , Bin Hu , Rong-Gen Cai