Zobrazeno 1 - 10
of 27
pro vyhledávání: '"Zhen Jing Yao"'
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. :2343-2347
According to the special requirements of power supply for seismic station, a new single-phase emergency power supply control system is proposed in this paper. The principle and structure diagram of the system is illustrated. The control strategies of
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
Autor:
Zhen-Jing Yao, Tao Gao
Publikováno v:
International Journal of Advanced Pervasive and Ubiquitous Computing. 4:1-16
The matched spectrum and correlation characteristics are both important to realize the multichannel ultrasonic sensors working together. The spectrum matching can make full use of the bandwidth of the ultrasonic ranging system, and the good correlati
Publikováno v:
Advanced Materials Research. :1850-1855
This paper addresses the performance of pseudorandom Binary Amplitude Shift Keying (BASK) emission sequences for an ultrasonic multi-life location system in rescue robot. To improve the performance of multi-life location system, the BASK modulation w
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
Publikováno v:
IEEE Transactions on Instrumentation and Measurement. 58:3442-3449
Ultrasonic crosstalk is one of the main causes of false distance measurements that reduce the work efficiency of sonar sensors in mobile robots. To enhance the real-time performance of sonar systems, short digital pulse-position modulation (PPM) sequ
Publikováno v:
TELKOMNIKA Indonesian Journal of Electrical Engineering. 12
Both the spectrum and correlation characteristics are important in constructing excitation sequences to realize the multichannel ultrasonic sensors working together. For LFM excitation sequence, there should not be too many simultaneously fired ultra
Publikováno v:
2011 4th International Congress on Image and Signal Processing.
This paper addresses multichannel non-crosstalk sonar systems for mobile robots. Binary frequency shift keying (BFSK) sequences modulated using chaotic series are proposed to eliminate crosstalk between multichannel ultrasonic ranging transducers. A
Publikováno v:
ICNC (4)
How to avoid premature convergence and maintain diversity of Pareto-optimal solutions for multi-objective optimization problems is addressed. An improved non-dominated sorting genetic algorithm is put forward, in which Gray and real codes are used fo