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Article
Post-Processing of Random Number Generator in InGaAs Contact Photodiode Homodyne Circuit Based on Continuous Wavelet Transform to Improve NIST Longest Run Test Pass Rate
Using a continuous wavelet transform, the parameters of the noise generated in a balanced laser radiation detector at the output of an optical power divider were studied. A procedure for mathematical signal pr...
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Article
Using Discrete Wavelet Analysis to Optimize a Random Number Generator Based on an InGaAs pi-n Photodiode in a Homodyne Scheme
An approach is proposed for optimizing the operation of a random number generator based on discrete wavelet analysis. It is shown that controlling the contribution of the scale components of the wavelet transf...
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Article
Extraction of a Seismic Signal of Hydraulic Fracturing Using Discrete Wavelet Transform
A method for extracting a seismic signal occurring during hydraulic fracturing is considered. This method is based on the application of discrete wavelet transform analysis. Simulation experiments were carried...
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Article
Development of a Broadband Seismic Receiver Based on GS-ONE LF Geophone
A schematic diagram of a seismic receiver based on a GS-ONE LF geophone is proposed and implemented. An electronic circuit for summing seismic signals from geophones is developed, allowing the signal-to-noise ...
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Article
Temperature Dependences of Structure-Sensitive Bands in IR Spectra of Polyvinyl Chloride
A study is performed of the temperature behavior of IR absorption bands of semicrystalline polyvinyl chloride. The temperature dependences of structure-sensitive absorption bands of PVC are obtained in a wide ...
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Article
An evolutionary particle swarm optimization algorithm for mathematical processing of experimental spectra
A particle swarm optimization algorithm is applied for mathematical treatment of Fourier-transform IR spectra of branched copolymers of methyl methacrylate. The efficiency of reconstruction of the spectra usin...
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Article
Effect of color noise on the processing of optical signals using the swarm intellect algorithm
An approach based on stochastic particle swarm optimization is used for the mathematical processing of spectral profiles with noise. Noises with different values of the Hurst index, which characterizes the noi...
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Article
Particle swarm optimization in the problem of decomposing two-component spectral profiles
An approach based on stochastic particle swarm optimization is proposed for the mathematical processing of spectral profiles. It is shown that the proposed approach allows accurate decomposition of complex mod...
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Article
Separation of closely located IR Fourier absorption bands using the genetic algorithm
The genetic algorithm was used for analyzing experimental closely located analytical conformation-sensitive IR Fourier absorption bands of low-molecular compounds incorporated into a polymeric matrix. Model ex...
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Article
Influence of the character of noise on the decomposition of complex spectral contours
The effectiveness of decomposing complex spectral contours into components using the least squares method is compared to that of a genetic algorithm with distortion of the input signal by low-frequency fractal...
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Article
Application of a genetic algorithm and wavelet analysis to the interpretation of the infrared Fourier spectra of branched polymethylmethacrylate
A genetic algorithm is demonstrated to be applicable to the problem of resolution enhancement of composite molecular spectra. Absorption band components were assigned to fragments of polymeric chains. The temp...
