The invention discloses a lossless compression system for text files and a compression method of the lossless compression system. The lossless compression system comprises a data input unit, a data compression unit, a data transmission unit, a data decompression unit and a data output unit, the data input unit is used for receiving original input data, converting original analog information into digital information to be compressed through analog-digital conversion and transmitting the digital information to the data compression unit; the data compression unit is used for receiving the digital data information and performing lossless compression to generate compressed data; the data transmission unit is used for receiving and transmitting compressed data; the data decompression unit is used for completing a decompression process; and the data output unit is used for outputting the original input data to a working end. The method has a complete compression and decompression process and better applicability, overcomes the inherent limitation problem of a statistical compression algorithm, reduces data redundancy, improves the utilization rate of a storage space, realizes automatic updating and deletion of the dictionary, and improves the compression performance.

    本发明公开了一种针对文本文件的无损压缩系统及其压缩方法,该系统包括数据输入单元、数据压缩单元、数据传输单元、数据解压缩单元和数据输出单元;数据输入单元用于接收原始输入数据,通过模数转化将原始模拟信息转化为待压缩的数字信息,并传递到数据压缩单元;数据压缩单元用于接收数字数据信息,并进行无损压缩,生成压缩数据;数据传输单元用于接收和传递压缩数据;数据解压缩单元用于完成解压缩过程;数据输出单元用于将原始输入数据输出到工作端。本发明具有完整的压缩与解压缩流程以及更好的适用性,克服了统计压缩算法固有的局限性问题,减少了数据冗余,提高了存储空间利用率,实现了字典自动更新以及删除,提高了压缩性能。


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    Title :

    Lossless compression system for text file and compression method thereof


    Additional title:

    一种针对文本文件的无损压缩系统及其压缩方法


    Contributors:
    WU YANXIA (author) / XU SONG (author) / XI CAIPING (author) / NIE PENGQIANG (author)

    Publication date :

    2024-01-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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