Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Zhan-feng Zhao"'
Autor:
Yi Guo, Feng Wang, Da-jun Qin, Zhan-feng Zhao, Fu-ping Gan, Bai-kun Yan, Juan Bai, Haji Muhammed
Publikováno v:
China Geology, Vol 4, Iss 3, Pp 433-445 (2021)
In order to study the hydrodynamic characteristics of the karst aquifers in northern China, time series analyses (correlation and spectral analysis in addition with hydrograph recession analysis) are applied on Baotu Spring and Heihu Spring in Jinan
Externí odkaz:
https://doaj.org/article/d0fd220148bb49dc98eed495b55f5028
Publikováno v:
IEEE Access, Vol 6, Pp 30680-30690 (2018)
To enhance maneuvering target tracking in modern battlefield, cognitive radar could adjust its waveforms and information processing manner. In this paper, a novel adaptive waveform design method based on multiple model interaction and measurement inf
Externí odkaz:
https://doaj.org/article/3152ef68368b4500a2d9363688d4052b
Publikováno v:
2022 6th International Conference on Imaging, Signal Processing and Communications (ICISPC).
Publikováno v:
2021 5th International Conference on Imaging, Signal Processing and Communications (ICISPC).
Publikováno v:
Applied Mechanics and Materials. :1113-1116
In a mass spectrometer, the main function of the sample introduction system is to inject the sample, whose accuracy and reliability affect the efficiency of ionizing directly, and then influence the results. Considering this, the six-dimensional cont
Autor:
Zhan Feng Zhao
Publikováno v:
Advanced Materials Research. 763:229-233
The high power light emitting diodes unit internal structure was elaborated from materials and tooling point of view, the unit matrix frame layout for mass production was presented for copper sheet stamping. The tooling stations were decomposed and o
Autor:
Zhan Feng Zhao
Publikováno v:
Applied Mechanics and Materials. 372:445-449
The high power light emitting diodes unit internal structure was elaborated from materials and tooling point of view, the unit matrix layout in copper frame for mass production was presented for fully automatic stamping. The processes and tooling sta
Autor:
Zhan Feng Zhao, Li Xin Yang
Publikováno v:
Advanced Materials Research. 651:701-705
The pressing technologies and the forming difficulties of the asymmetric U-shaped contactor were analyzed. The strip layout was designed for progressive pressing from piercing to bending. The die structure was designed in three plates mode, guiding w
Autor:
Zhan Feng Zhao, Juan Ye
Publikováno v:
Advanced Materials Research. 651:706-709
LED performance was significantly improved because of the improvement of encapsulation design and materials properties. The design key points were reviewed in point view of optical, electrical, thermal, and reliability consideration. It was concluded
Publikováno v:
Applied Mechanics and Materials. :1385-1388
Optimization of cylindrical ion trap is to be done for testing low mass ions such as H2+, H3+ ,He+. The principle of optimization is reducing the higher order fields, not the “-10% compens- ation” rule introduced by R.Graham Cooks. The model of C