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Data compression method and system, and equipment

A technology of data compression and data set, applied in the direction of electrical components, code conversion, etc., can solve problems such as low compression efficiency, unfavorable network transmission, and huge data model, so as to improve compression ratio and compression efficiency, reduce storage overhead, and reduce data The effect of precision

Inactive Publication Date: 2021-08-13
BEIJING HIGHLANDER DIGITAL TECH
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Problems solved by technology

[0002] For data with a large amount of data, some of the existing data compression methods have insufficient compression ratios, some have low compression efficiency, and some compression methods are too complicated, and the large data model is not conducive to network transmission.
For example, meteorological data has a large amount of data due to the many elements involved and the large time span, but the existing data compression methods cannot take into account the compression ratio, compression efficiency, and accuracy requirements at the same time

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  • Data compression method and system, and equipment
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  • Data compression method and system, and equipment

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the invention with reference to the accompanying drawings in the embodiments of the invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0032] A kind of data compression method described in the embodiment of the present invention, such as figure 1 As shown, the method includes: calculating the polynomial fitting function of the data set of the data file to be compressed; calculating the fitting function calculation value corresponding to each numerical value in the data set according to the polynomial fitting function; then calculating each numerical value and its corresponding The corresponding fitt...

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Abstract

The embodiment of the invention discloses a data compression method. The method comprises the following steps: calculating a polynomial fitting function of a data set of a data file to be compressed; calculating a fitting function calculated value corresponding to each numerical value in the data set according to the polynomial fitting function; calculating a difference value between each numerical value and a corresponding fitting function calculated value to obtain a difference value set; and storing the data head of a compressed data file, the difference value set and the polynomial fitting function to obtain a compressed data file. The invention also discloses a data compression system and equipment. The data compression method and system have the beneficial effects that the data precision is not reduced, the compression ratio and the compression efficiency of the data can be improved, the data storage overhead is reduced, the bandwidth requirement during network transmission is reduced, and the data transmission under the condition of poor network conditions is facilitated.

Description

technical field [0001] The present invention relates to the technical field of data compression, in particular to a data compression method, system and equipment. Background technique [0002] For data with a large amount of data, some of the existing data compression methods have insufficient compression ratio, some have low compression efficiency, and some compression methods are too complicated, and the large data model is not conducive to network transmission. For example, meteorological data has a large amount of data due to the many elements involved and the large time span. However, the existing data compression methods cannot take into account the compression ratio, compression efficiency, and accuracy requirements at the same time. Contents of the invention [0003] In order to solve the above problems, the purpose of the present invention is to provide a data compression method, system and equipment that take into account data accuracy, high compression ratio and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H03M7/30
CPCH03M7/30
Inventor 邹婷王楠段泽
Owner BEIJING HIGHLANDER DIGITAL TECH
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