Title :
Signal recovery from grouped data
Author :
Pawlak, M. ; Stadtmüller, U.
Author_Institution :
Dept. of Electr. & Comput. Eng., Manitoba Univ., Winnipeg, Man., Canada
Abstract :
The problem of recovering a signal in the class of band-limited functions is studied. We consider a situation when discrete data points are first grouped to the points of an uniform grid and then the reconstruction is carried out from such a reduced data set. The data grouping is common for computer rounding errors and may also be viewed as a data compression process. The accuracy of the proposed grouping techniques is examined. These results are used to provide an understanding of the number of grid points required to achieve a given level of accuracy
Keywords :
data compression; signal reconstruction; signal sampling; band-limited functions; data compression; data grouping; discrete data points; grouped data; reduced data set; rounding errors; signal reconstruction; signal recovery; uniform grid; Bandwidth; Convergence; Data compression; Frequency; Kernel; Roundoff errors; Sampling methods; Signal processing; Signal processing algorithms; Signal reconstruction;
Conference_Titel :
Acoustics, Speech, and Signal Processing, 1997. ICASSP-97., 1997 IEEE International Conference on
Conference_Location :
Munich
Print_ISBN :
0-8186-7919-0
DOI :
10.1109/ICASSP.1997.598896
