Sensing matrix construction method based on Bernoulli shifting chaos sequence
A chaotic sequence and perceptual matrix technology, applied in electrical components, code conversion, analog-to-digital converters, etc., can solve problems such as large storage space and unsatisfactory RIP
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[0035] The present invention will be further described below in conjunction with the accompanying drawings.
[0036] According to the description of specific steps in the summary of the invention, the structure of the perception matrix BCSM is as follows:
[0037] 1. First, select the parameter x1=0.45467 to construct the sequence
[0038]
[0039] .
[0040] 2, pair the sequence with the parameter l=5 Sampling to get the sequence .
[0041] Here, the sequence obtained by sampling with the parameter l=5 can satisfy the independent and identical distribution characteristics.
[0042] 3. Column-by-column construction The perception matrix BCSM:
[0043] .
[0044] The initial signal used in the experiment is a discrete-time sparse signal x with length n=200 s1 , with the distribution It is formed by independently extracting k points and assigning non-zero values, that is, the sparse matrix of the signal is the identity matrix I. In the simulation, Gaussi...
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