Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Yan-xing Song"'
Publikováno v:
Chinese Journal of Chemical Physics. 35:945-956
Based on density functional theory (DFT), a new silicon allotrope C2-Si is proposed in this work. The mechanical stability and dynamic stability of C2-Si are examined based on the elastic constants and phonon spectrum. According to the ratio of bulk
Publikováno v:
Communications in Theoretical Physics. 74:065701
In this work, a new superhard material named Pm BN is proposed. The structural properties, stability, mechanical properties, mechanical anisotropy properties, and electronic properties of Pm BN are studied in this work. Pm BN is dynamically and mecha
Publikováno v:
Applied Mechanics and Materials. 392:765-769
The anchor characteristics are important factors in the quality of surface treatment of the tube, a good anchor pattern characteristic will ensure the best adhesion between the coating and the substrate. Surface roughness, micro-roughness spacing of
Publikováno v:
Applied Mechanics and Materials. 330:961-966
An approach of detecting ultrasonic signals generated by pulsed laser is studied. The influence factors are analyzed on the received signals. Based on pulsed laser generating ultrasonic, a metal plate is used as a detected target. The ultrasonic is i
Publikováno v:
Applied Mechanics and Materials. :1107-1110
An image restoration method for earthquake ruin scene is proposed in this paper. This method uses maximum likelihood estimation method based on Poisson (PMLE). This algorithm is introduced at first, then an image of earthquake ruin scene is processed
Publikováno v:
Advanced Materials Research. :2016-2020
A new image encryption algorithm based on chaotic sequence is proposed, and the over sampled techniques is used in the Chebyshev mapping and Logistic chaotic mapping to generate multi-parameter chaotic key.A chaotic image encryption transmission syst
Publikováno v:
Advanced Materials Research. :1745-1749
On the basis of studying characteristics of chaotic sequences, the paper improved iterative process of the chaos, processed the chaotic chebyshev sequences by over-sampling and applied in speech signals transmission system, achieved encryption and de
Publikováno v:
Applied Mechanics and Materials. :1110-1114
A simple and feasible modulation scheme called Continuous Pulse Sequence Width Modulation (CPSWM) is proposed to eliminate the crosstalk among multiple ultrasonic sensors in ultrasonic life location system. To improve the performance of multi-life lo
Publikováno v:
Advanced Materials Research. :2337-2340
Seismic illumination analysis was an effective means of recognizing and studying the energy distributions in the underground geological structure in seismic data acquisition. Effective seismic illumination analysis to a priori targeted-geological mod
Publikováno v:
Advanced Materials Research. :3953-3957
A new edge detection method for seismic fault image was presented. The method decomposed an image by morphology Haar wavelet, then used morphology edge detection operator to detect edge of the low-frequency morphological wavelet level, at last, the l