Zobrazeno 1 - 10
of 79
pro vyhledávání: '"the meridian project"'
Autor:
YuChang Xun, ZhiShan Chen, LiFang Du, HaoRan Zheng, Jing Jiao, ZeLong Wang, ShaoHua Gong, GuoTao Yang
Publikováno v:
Earth and Planetary Physics, Vol 8, Iss 5, Pp 753-761 (2024)
From April 2020 to June 2022, a Ca+ lidar with dual-wavelength and narrow-band emitting lasers utilizing all-solid-state technology was employed to conduct observations in Beijing (40.41°N, 116.01°E) for a total duration of 1797.79 hours over 280 n
Externí odkaz:
https://doaj.org/article/4e8f9d28a4a34bb4ab1cc29b8228568b
Autor:
WANG Chi, BLANC Michel, ZHANG Shunrong, DENARDINI Clezio Marcos, LIU William, SHEN Xuhui, WU Jian, XU Jiyao, LI Hui, ZHANG Qinghe, REN Liwen, ZHU Yajun, LI Guozhu, DING Zonghua, LIU Zhengkuan, YANG Fang
Publikováno v:
Kongjian kexue xuebao, Vol 44, Pp 741-745 (2024)
In 2024, the Chinese Meridian Project (CMP) completed its construction, deploying 282 instruments across 31 stations. This achievement not only provides a robust foundation but also serves as a reference template for the International Meridian Circle
Externí odkaz:
https://doaj.org/article/6bc08c70f151421eba35b7c7e7c1f41e
Publikováno v:
Kongjian kexue xuebao, Vol 44, Pp 704-711 (2024)
The Chinese Meridian Project (CMP) is a major national science and technology infrastructure constructed in two steps. The first phase of the CMP has been operating for more than a solar cycle. From 2022 to 2023, utilizing the monitoring data collect
Externí odkaz:
https://doaj.org/article/c19acb3892744f14b988511b98dd21df
Development of the wideband magnetic field wave monitor for the Phase II of Chinese Meridian Project
Autor:
Xiangqian Yu, Donghua He, Chijie Xiao, Qiugang Zong, Weihong Shi, Si Liu, Hongfei Chen, Yongfu Wang, Hong Zou
Publikováno v:
地球与行星物理论评, Vol 55, Iss 1, Pp 6-14 (2024)
There are various magnetic field waves with frequencies ranging from mHz to thousands of Hz in the Earth's magnetosphere. These waves can be categorized into three classes depending on their period: ULF (mHz to ~ Hz), ELF (~ Hz to hundreds of Hz), an
Externí odkaz:
https://doaj.org/article/0239e6fa98904f2aac5cf8232d0d469b
Publikováno v:
地球与行星物理论评, Vol 55, Iss 1, Pp 37-52 (2024)
To ensure the detection quality of the domestic model ionospheric digisonde adopted by the Phase II of Chinese Meridian Project, prototype testing including technique testing and a data quality comparison was performed. The test was carried out in th
Externí odkaz:
https://doaj.org/article/28c8f84db6a947bab82fb16e7a947ed6
Publikováno v:
地球与行星物理论评, Vol 55, Iss 1, Pp 138-143 (2024)
The near-surface atmospheric electric field is an important parameter in disciplines such as space physics and atmospheric science. Variations in the atmospheric electric field represent the state of the global atmospheric circuit and charge distribu
Externí odkaz:
https://doaj.org/article/38d8580b961d4920954085902d46ddd7
Publikováno v:
地球与行星物理论评, Vol 55, Iss 1, Pp 24-30 (2024)
Absolute observation and relative record are two methods in geomagnetic station observation. The actual values of geomagnetic field elements can be obtained after the relative record data is corrected by baseline data. Fluxgate theodolite is one of t
Externí odkaz:
https://doaj.org/article/5dc82a6b78cc44a593d9c3cad57e5ab5
Autor:
Xudong Gu, Binbin Ni, Wei Xu, Shiwei Wang, Bin Li, Ze-Jun Hu, Fang He, Xiangcai Chen, Hong-Qiao Hu
Publikováno v:
地球与行星物理论评, Vol 55, Iss 1, Pp 15-23 (2024)
A system for the detection of very low frequency (VLF) electromagnetic waves has been developed by Wuhan University (WHU) with the Polar Research Institute of China (PRIC), and has been successfully deployed by PRIC at the Great Wall Station (GWS, 62
Externí odkaz:
https://doaj.org/article/55839fb7c4b842e4a364873657e0e488
Publikováno v:
地球与行星物理论评, Vol 55, Iss 1, Pp 1-5 (2024)
To achieve full-band observation of solar radio emissions, the sun-planetary interstellar monitoring chain subsystem of the Phase II of Chinese Meridian Project will construct four sets of solar radio spectrometers covering the decimeter, meter, deca
Externí odkaz:
https://doaj.org/article/4a6bc52b25ea4754a8dd4f7459bcab83
Publikováno v:
地球与行星物理论评, Vol 55, Iss 1, Pp 109-119 (2024)
Sudden stratospheric warming (SSW) is a violent atmospheric disturbance in the polar region of the winter hemisphere. The drastic changes in temperature and wind during SSWs are considered to be the main reasons for the abnormal increase in the energ
Externí odkaz:
https://doaj.org/article/8c548cf1943a4b83b5befc8b98bec163