Rapid seismic event retrieval method and device

An event and seismic data technology, which is applied in the field of fast seismic event retrieval methods and devices, and can solve problems such as affecting the calculation speed of earthquake catastrophe models.

Pending Publication Date: 2021-08-03
CHINA REINSURANCE (GROUP) CORPORATION +1
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  • Abstract
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Problems solved by technology

According to the position of the target and the earthquake epicenter and the magnitude of the earthquake, quickly screen out the seismic events that may af

Method used

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  • Rapid seismic event retrieval method and device
  • Rapid seismic event retrieval method and device
  • Rapid seismic event retrieval method and device

Examples

Experimental program
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Embodiment Construction

[0023] Some embodiments relate to a method of constructing a space index of a seismic event, including the following steps:

[0024] Divide the seismic distribution range into several grids;

[0025] According to the location of each seismic event in the seismic distribution range, the seismic data corresponding to the position in the seismic earthquake is attributed to each mesh;

[0026] Continuous storage of seismic data of the same grid;

[0027] The HASH index of the grid is created, the HASH index includes a uniquely identified KEY and value VALUE of each grid, the value value VALUE, which is the storage location and length of the corresponding seismic data in the grid.

[0028] The term "seismic distribution range" refers to the distribution range of the seismic random event set. Among them, the seismic random event set refers to an event set based on potential sources and its seismic activity parameters. You can use GIS technology to calibrate the location of the earthquak...

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Abstract

The invention relates to a rapid seismic event retrieval method and device, and has the beneficial effects that a set of quick retrieval method is designed aiming at the influence characteristics of earthquakes, and the method can quickly retrieve seismic events which may cause loss. The method of the invention first needs to create a spatial index of a seismic event. Although the traditional index can quickly retrieve the position of data, as related data are often stored in different places, the whole block cannot be read at one time, and the data retrieval speed is reduced due to frequent reading operation. The storage sequence and position of the data are reorganized according to the spatial position of the earthquake, and the time complexity of retrieval is ensured to be O (1).

Description

Technical field [0001] The present invention belongs to the field of seismic ulock models, and more particularly to a rapid seismic event retrieval method and device. Background technique [0002] In the earthquake cigarette model, in order to assess the losses caused by the medium and long-term earthquake, there is often a need to simulate 10 million earthquake events. Take China and the surrounding range as an example, these earthquake events are distributed across China, and the impact ranges are also different depending on the location and seismic magnitude of the earthquake. When evaluating a long-term impact of the earthquake in the earthquake, it is often not necessary to calculate each earthquake. According to the position of the standard and the seismic magnitude and the seismic magnitude, it is a key technique that may affect the possible effect of the target, which is expected, but has not reported the calculation speed of the earthquake model. Inventive content [00...

Claims

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Application Information

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IPC IPC(8): G06F16/22G06F16/242G06F16/29
CPCG06F16/2255G06F16/242G06F16/29
Inventor 翟亮亮王小东马腾飞冯键
Owner CHINA REINSURANCE (GROUP) CORPORATION
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