通过深度可分离和残余扩展卷积的多尺度注意网络有效地删除地震数据
Zhenjing Yao1,2,3, Lei Hao4,5,6, Lan Qin4,5,6
1Department of Information and Control Engineering, Institute of Disaster Prevention, Sanhe, 065201, China. yaozhenjing000@126.com.
Scientific reports
|December 17, 2025
概括
一个新的网络,MSARDNet,有效地减少了地震信号中的复杂噪声,显著改善了信号噪声比 (SNR) 以提高数据处理精度.
科学领域:
- 地质物理学 地质物理学
- 信号处理 信号处理
- 机器学习 机器学习
背景情况:
- 高信号噪声比 (SNR) 对于精确的地震数据处理至关重要.
- 复杂的噪声干扰在地震信号消噪方面构成了重大挑战.
研究的目的:
- 推出MSARDNet,这是一个用于地震信号消噪的新型网络.
- 为了应对地震数据中复杂的噪声干扰的挑战.
主要方法:
- MSARDNet采用多级特征处理架构,包含编码器,ResDC和解码器模块.
- 深度可分离的卷积和增强的通道注意力用于高效的特征提取和噪声抑制.
- 在ResDC模块中扩展的卷积和剩余连接促进了多尺度特征提取,并保持了信号完整性.
主要成果:
- 与U-Net,DnCNN和DeepDenoiser相比,MSARDNet实现了分别为15.94dB,12.03dB和4.83dB的SNR改进.
- 该网络有效地过复杂的背景噪声,同时保留有用的地震信号.
- 在合成和现场数据上的比较实验验证实了MSARDNet的优越性能.
结论:
- 与现有方法相比,MSARDNet在消除复杂噪声方面表现出卓越的性能.
- 拟议的网络具有在地震数据处理和分析中广泛应用的巨大潜力.
相关概念视频
Elastic Collisions: Case Study
Elastic collision of a system demands conservation of both momentum and kinetic energy. To solve problems involving one-dimensional elastic collisions between two objects, the equations for conservation of momentum and conservation of internal kinetic energy can be used. For the two objects, the sum of momentum before the collision equals the total momentum after the collision. An elastic collision conserves internal kinetic energy, and so the sum of kinetic energies before the collision equals...
Reducing Line Loss
In a three-phase circuit, line loss is an indicator of energy dissipated as heat due to the resistance of transmission lines. To address this, incorporating transformers into the system—a step-up transformer at the source and a step-down transformer at the load—is a strategic solution. Two three-phase transformers are introduced to improve this.
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
With a step-up transformer at the source, the voltage is increased, thereby reducing the current in the transmission lines since power loss in...
Deconvolution
Deconvolution, also known as inverse filtering, is the process of extracting the impulse response from known input and output signals. This technique is vital in scenarios where the system's characteristics are unknown, and they must be inferred from the observable signals.
Deconvolution involves several mathematical techniques to derive the impulse response. One common approach is polynomial division. In this method, the input and output sequences are treated as coefficients of...
Deconvolution involves several mathematical techniques to derive the impulse response. One common approach is polynomial division. In this method, the input and output sequences are treated as coefficients of...
Downsampling
When considering a sampled sequence with zero values between sampling instants, one can replace it by taking every N-th value of the sequence. At these integer multiples of N, the original and sampled sequences coincide. This process, known as decimation, involves extracting every N-th sample from a sequence, thereby creating a more efficient sequence.
The Fourier transform of the decimated sequence reveals a combination of scaled and shifted versions of the original spectrum. This...
The Fourier transform of the decimated sequence reveals a combination of scaled and shifted versions of the original spectrum. This...
Unsoundness of Aggregate due to Volume Change
Unsoundness in aggregates due to volume changes is primarily caused by the physical alterations aggregates undergo, such as freezing and thawing, thermal changes, and wetting and drying. Unsound aggregates, when subjected to these changes, result in volume change upon disintegration. This, in turn, contributes to the deterioration of concrete, including scaling, pop-outs, and cracking. Particular types of aggregates, such as porous flints, cherts, and those containing clay minerals, are...
Differential Leveling
Differential leveling is a precise method in surveying used to determine the elevation difference between two points. Its primary goal is to establish accurate vertical measurements to create level surfaces or grade lines critical for designing and constructing infrastructures such as roads, bridges, and buildings.The procedure for differential leveling begins with setting up and leveling the instrument at a point where the benchmark can be seen. The level rod is held on the benchmark (BM), and...

