Research and Application of K-means Clustering and DCT Double Compression Algorithm in Vibration Sensor

2020 ◽  
Author(s):  
Youjun Han ◽  
Yueming Hu ◽  
Xuejie Huang
Keyword(s):  
Compression Algorithm ◽  
Vibration Sensor ◽  
Double Compression

Double Compression Algorithm with Linear Interpolation of Dynamic Threshold

2011 ◽  
Vol 225-226 ◽  
pp. 190-193 ◽  
Author(s):  
Shi Xi Tang ◽  
Ke Ming Tang
Keyword(s):  
Real Time ◽  
Compression Ratio ◽  
Linear Interpolation ◽  
Compression Algorithm ◽  
Dynamic Threshold ◽  
Time Data ◽  
Process Data ◽  
Double Compression ◽  
Compression Time ◽  
Reduction Effect

To solve the problem that the duration is too long when the change of the measuring process data of industrial real-time database appears slow, the double compression algorithm with linear interpolation of dynamic threshold is advanced. Good compression quality and reduction effect of process data is accessed. The compression and fitting times are less than 1ms, and the compression ratio is 6:1 on the 6000 real-time data compression. The compression time is short, and the compression ratio is high. The fitting error between each fitted value and the original value is within the threshold 1.0. The comprehensive performance is better than SLIM and Swinging Door compression algorithm.

A Heading Maintaining Oriented Compression Algorithm for GPS Trajectory Data

Informatica ◽  
2019 ◽  
Vol 30 (1) ◽  
pp. 33-52 ◽  
Author(s):  
Pengfei HAO ◽  
Chunlong YAO ◽  
Qingbin MENG ◽  
Xiaoqiang YU ◽  
Xu LI
Keyword(s):  
Compression Algorithm ◽  
Trajectory Data ◽  
Gps Trajectory Data ◽  
Gps Trajectory

A Built-in Vibration Sensor Using Arc-Discharged Reactive Ion Plated PZT

2011 ◽  
Vol 131 (3) ◽  
pp. 128-129 ◽  
Author(s):  
Utku Baran ◽  
Masanao Tani ◽  
Masahiro Akamatsu ◽  
Yoshiaki Yasuda ◽  
Hiroyuki Fujita ◽  
...  
Keyword(s):  
Vibration Sensor

Efficient Regular Expression Compression Algorithm for Deep Packet Inspection

2009 ◽  
Vol 20 (8) ◽  
pp. 2214-2226 ◽  
Author(s):  
Qian XU ◽  
Yue-Peng E ◽  
Jing-Guo GE ◽  
Hua-Lin QIAN
Keyword(s):  
Regular Expression ◽  
Compression Algorithm ◽  
Deep Packet Inspection ◽  
Packet Inspection
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