The gravitational-wave physics II: Progress

L Bian, RG Cai, S Cao, Z Cao, H Gao, ZK Guo… - Science China Physics …, 2021 - Springer
It has been a half-decade since the first direct detection of gravitational waves, which
signifies the coming of the era of the gravitational-wave astronomy and gravitational-wave …

Quantum second-order optimization algorithm for general polynomials

P Gao, K Li, S Wei, GL Long - Science China Physics, Mechanics & …, 2021 - Springer
Quantum optimization algorithms can outperform their classical counterpart and are key in
modern technology. The second-order optimization algorithm (the Newton algorithm) is a …

Improved deep learning techniques in gravitational-wave data analysis

H Xia, L Shao, J Zhao, Z Cao - Physical Review D, 2021 - APS
In recent years, convolutional neural network (CNN) and other deep learning models have
been gradually introduced into the area of gravitational-wave (GW) data processing …

Identify real gravitational wave events in the LIGO-Virgo catalog GWTC-1 and GWTC-2 with convolutional neural network

MQ Jiang, N Yang, J Li - Frontiers of Physics, 2022 - Springer
In recent years, machine learning models have been introduced into the field of gravitational
wave (GW) data processing. In this paper, we apply the convolutional neural network (CNN) …

Using deep learning to denoise and detect gravitational waves

CL Ma, SQ Li, Z Cao, M Jia - Physical Review D, 2024 - APS
We have upgraded the MSNRnet framework to MSNRnet-2 by refining the training strategy,
drawing inspiration from generative adversarial networks for data generation. The …

Gravitational wave search by time-scale-recursive denoising and matched filtering

C Ma, C Ma, Z Cao, M Jia - Science China Physics, Mechanics & …, 2024 - Springer
In our previous work [Physical Review D, 2024, 109 (4): 043009], we introduced MSNRnet, a
framework integrating deep learning and matched filtering methods for gravitational wave …

Inferring the spin distribution of binary black holes using deep learning

L Tang, XL Fan - Chinese Physics C, 2024 - iopscience.iop.org
The spin characteristics of black holes offer valuable insights into the evolutionary pathways
of their progenitor stars. This is crucial for understanding the broader population properties …

Gravitational Wave Detection of Binary Black Hole Mergers Based on Two-Dimensional Time-Frequency Features

C Ma, G Zhong - 2024 9th International Conference on …, 2024 - ieeexplore.ieee.org
Gravitational wave signals contain frequency components that change over time, making it
challenging to analyze these non-stationary signals directly from time-domain data. Time …