Zobrazeno 1 - 10
of 53
pro vyhledávání: '"Jijie Ma"'
Autor:
TaiFeng Jin, BinBin Ni, LingGao Kong, AiBing Zhang, Lei Li, Song Fu, Xing Cao, WenYa Li, BinBin Tang, LiangHai Xie, YiTeng Zhang, ShuYue Pang, XiaoTong Yun, HengLe Du, FuHao Qiao, LiMin Wang, JiJie Ma
Publikováno v:
Earth and Planetary Physics, Vol 7, Iss 5, Pp 533-539 (2023)
The pitch angle distributions of ions and electrons can be affected by various processes; thus, they can serve as an important indicator of the physical mechanisms driving the dynamics of space plasmas. From observations from the Mars Ion and Neutral
Externí odkaz:
https://doaj.org/article/b4a75bb627534e1cbe9efbc03a527061
Autor:
Yili Hu, Yaru Ding, Nan Wei, Xinhui Li, Jianping Li, Jijie Ma, Zhonghua Zhang, Guangming Cheng, Jianming Wen
Publikováno v:
IEEE Access, Vol 11, Pp 144602-144616 (2023)
Vibration energy harvesting using the piezoelectric effect has recently attracted significant attention from scholars. The main concern in the research of piezoelectric vibration energy harvesters is to improve the operating bandwidth and output powe
Externí odkaz:
https://doaj.org/article/a69888835b12468e900dca1476eaa6f9
Publikováno v:
IEEE Access, Vol 11, Pp 70534-70541 (2023)
Cell injection system for biomedical engineering demands that actuators have large stroke, high resolution and speed for cell positioning and injection. Single mode piezoelectric actuators could meet some of these requirements but hardly all. Stick-s
Externí odkaz:
https://doaj.org/article/f72d095caf6f40a2bd5e3c8fce280604
Autor:
Zhen Pan, Weijian Wu, Jiangtao Zhou, Yili Hu, Jianping Li, Yingting Wang, Jijie Ma, Jianming Wen
Publikováno v:
Micromachines, Vol 15, Iss 3, p 314 (2024)
Triboelectric nanogenerators (TENGs) can effectively collect low-frequency, disordered mechanical energy and are therefore widely studied in the field of ocean energy collection. Most of the rotary TENGs studied so far tend to have insufficient rotat
Externí odkaz:
https://doaj.org/article/b42add89294141929b7b85e091f0aacf
Autor:
Weijian Wu, Zhen Pan, Jiangtao Zhou, Yingting Wang, Jijie Ma, Jianping Li, Yili Hu, Jianming Wen, Xiaolin Wang
Publikováno v:
Sensors, Vol 24, Iss 5, p 1371 (2024)
This paper proposes a wind-speed-adaptive resonant piezoelectric energy harvester for offshore wind energy collection (A-PEH). The device incorporates a coil spring structure, which sets the maximum threshold of the output rotational frequency, allow
Externí odkaz:
https://doaj.org/article/2ecc7f81f879458981b0592f4754ee76
Autor:
Limin Wang, Lei Li, Wenya Li, Linggao Kong, Binbin Tang, Jijie Ma, Yiteng Zhang, Lianghai Xie, Aibing Zhang, Fuhao Qiao, Peter Wurz, André Galli
Publikováno v:
Atmosphere, Vol 15, Iss 1, p 19 (2023)
The Mars Ion and Neutral Particle Analyzer (MINPA) onboard Tianwen-1 aims to study the interaction between Mars and the solar wind via in situ ion measurement and energetic neutral atom imaging. Despite the efforts for Ultra-Violet suppression in MIN
Externí odkaz:
https://doaj.org/article/0850f12cbbf3412c837742aa40975cf3
Autor:
AiBing Zhang, LingGao Kong, WenYa Li, Lei Li, BinBin Tang, ZhaoJin Rong, Yong Wei, JiJie Ma, YiTeng Zhang, LiangHai Xie, YuXian Wang, JianSen He, Bin Liu, WenJing Wang, Bin Su, JiaWei Li, Xu Tan, Fang Wang, TaiFeng Jin, FuHao Qiao, Peter Wurz, Yan Zhu, YunFei Bai, YiRen Li, XinBo Zhu, YueQiang Sun, YongLiao Zou, Chi Wang
Publikováno v:
Earth and Planetary Physics, Vol 6, Iss 1, Pp 1-9 (2022)
The Mars Ion and Neutral Particle Analyzer (MINPA) is one of the three scientific instruments onboard the Tianwen-1 orbiter to investigate the Martian space environment. During Tianwen-1’s transfer orbit to Mars, the MINPA was switched on to measur
Externí odkaz:
https://doaj.org/article/a1e970eba9304c8aa11912a211fdd77b
Autor:
Yiteng Zhang, Lei Li, Lianghai Xie, Linggao Kong, Wenya Li, Binbin Tang, Jijie Ma, Aibing Zhang
Publikováno v:
Remote Sensing, Vol 15, Iss 7, p 1721 (2023)
An algorithm has been developed to invert the solar wind parameters from the hydrogen energetic neutral atom (H-ENA) measured in near-Mars space. Supposing the H-ENA is produced by change exchange collision between protons that originated in the sola
Externí odkaz:
https://doaj.org/article/80faa9fcc8cc498080cb90f6c9022207
Publikováno v:
IEEE Access, Vol 9, Pp 12592-12600 (2021)
The generalized vector sampled pattern matching (GVSPM) algorithm is widely utilized in the EIT (electrical impedance tomography) reconstruction to solve the ill-posed inverse problem. An improved algorithm, which is called the generalized vector sam
Externí odkaz:
https://doaj.org/article/75baf2c434d942efb681ef3071e17528
Publikováno v:
IEEE Access, Vol 9, Pp 152756-152764 (2021)
This paper presents a battery-supplied piezoelectric actuator controlled by cam mechanisms. The actuator moves by matching the phase difference between the clamp and the excitation cams. The piezoelectric bimorphs of the actuator are excited by signa
Externí odkaz:
https://doaj.org/article/12ac2a6932c54748b7d635d850fe59bd