基于熵降变换的电力远动通信数据无损压缩算法  

Lossless Compression Algorithm for Telecontrol Communication Data Based on Entropy Drop Transform

作　　者：王龙 Wang Long(Shenzhen Power Supply Bureau Co.,Ltd.,Shenzhen 518001,China)

机构地区：[1]深圳供电局有限公司,广东深圳518001

出　　处：《现代科学仪器》2019年第5期103-106,共4页Modern Scientific Instruments

摘　　要：由于传统的电力远动通信数据无损压缩算法,在进行电力远动通信数据无损压缩时对数据的传输与存储困难度高,因此数据压缩率低。针对这一问题,提出基于熵降变换的电力远动通信数据无损压缩算法。首先,确定无损压缩的理论极限熵,再通过电力远动通信数据离散余弦变换,计算出基于熵降变换的线性拟合压缩特征值,从而完成电力远动通信数据无损压缩。最后通过实验证明基于熵降变换的电力远动通信数据无损压缩算法可以提高电力远动通信数据无损压缩的压缩率,实现电力远动通信数据无损压缩。Due to the traditional lossless compression algorithm for power telecontrol communication data,it is difficult to transmit and store data during lossless compression of power telecontrol communication data,so the data compression rate is low.Aiming at this problem,a lossless compression algorithm for power telecontrol communication data based on entropy reduction transform is proposed.First,determine the theoretical limit entropy of lossless compression,and then calculate the linear fitting compression eigenvalues based on the entropy drop transform through the discrete cosine transform of the power telecontrol communication data to complete the lossless compression of power telecontrol communication data.Finally,it is proved through experiments that the lossless compression algorithm of power telecontrol communication data based on entropy reduction transform can improve the compression rate of lossless compression of power telecontrol communication data and realize the lossless compression of power telecontrol communication data.

关 键 词：熵降变换 电力远动 通信数据无损压缩 算法 

分 类 号：TM764[电气工程—电力系统及自动化]