Zobrazeno 1 - 10
of 17 380
pro vyhledávání: '"S. Fang"'
Publikováno v:
Radioengineering, Vol 33, Iss 3, Pp 358-367 (2024)
A microstrip circularly polarized (CP) leaky-wave antenna (LWA) operating in the X-band, and having the characteristics of a broad axis-ratio bandwidth is proposed. The proposed LWA is made up of 13 unit cells in series through microstrip feeding lin
Externí odkaz:
https://doaj.org/article/821d887d231a45a3854b228f5279d234
Publikováno v:
Radioengineering, Vol 33, Iss 2, Pp 246-252 (2024)
A novel balanced linear-phase bandpass filter is proposed to achieve differential-mode linear-phase filtering and common-mode suppression characteristics. The balanced linear-phase bandpass filter consists of a proposed compact balanced bandpass filt
Externí odkaz:
https://doaj.org/article/8faa6f7b5cfb415d848536ea0a3a07fc
Publikováno v:
Geoscientific Model Development, Vol 17, Pp 4961-4982 (2024)
Determining the source location and release rate are critical tasks when assessing the environmental consequences of atmospheric radionuclide releases, but they remain challenging because of the huge multi-dimensional solution space. We propose a spa
Externí odkaz:
https://doaj.org/article/b9cdbb2a964343c6b132651c90b3573b
Autor:
J. Li, K. Zang, Y. Lin, Y. Chen, S. Liu, S. Qiu, K. Jiang, X. Qing, H. Xiong, H. Hong, S. Fang, H. Xu, Y. Jiang
Publikováno v:
Atmospheric Measurement Techniques, Vol 16, Pp 4757-4768 (2023)
To reveal the spatiotemporal distributions of atmospheric CO2 and CH4 mixing ratios and regulation mechanisms over the China shelf sea, two field surveys were conducted in the southern Yellow Sea in China in November 2012 and June 2013, respectively.
Externí odkaz:
https://doaj.org/article/0d4cb5a2fc0c4cddb8a7bc8ce516e56a
Publikováno v:
Geoscientific Model Development, Vol 15, Pp 6059-6083 (2022)
The daily highest air temperature (Tmax) is a key parameter for global and regional high temperature analysis which is very difficult to obtain in areas where there are no meteorological observation stations. This study proposes an estimation framewo
Externí odkaz:
https://doaj.org/article/bfc214df197a422dbb7a9451f15d643d
Publikováno v:
Earth System Science Data, Vol 14, Pp 1413-1432 (2022)
Near-surface air temperature (Ta) is an important physical parameter that reflects climate change. Many methods are used to obtain the daily maximum (Tmax), minimum (Tmin), and average (Tavg) temperature, but are affected by multiple factors. T
Externí odkaz:
https://doaj.org/article/b500e70fc1d3462bbeafc9f68d47bbc4
Publikováno v:
Radioengineering, Vol 30, Iss 3, Pp 517-523 (2021)
A high-selectivity reflectionless unbalanced-to-balanced (UTB) filtering power combiner is proposed. The proposed power combiner composes of two absorbing branches, two filtering sections, two transmission lines, a grounded resistor, and a phase inve
Externí odkaz:
https://doaj.org/article/12be00664d3b484490acd64e7cf0f910
Publikováno v:
Earth System Science Data, Vol 13, Pp 2111-2134 (2021)
Sea surface temperature (SST) is an important geophysical parameter that is essential for studying global climate change. Although sea surface temperature can currently be obtained through a variety of sensors (MODIS, AVHRR, AMSR-E, AMSR2, WindSat, i
Externí odkaz:
https://doaj.org/article/e7299de4eab2489594bfd248ba9c918a
Publikováno v:
Atmospheric Chemistry and Physics, Vol 21, Pp 393-413 (2021)
A 26-year, long-term record of atmospheric methane (CH4) measured in situ at the Mount Waliguan (WLG) station, the only World Meteorological Organization (WMO) and Global Atmosphere Watch (GAW) global station in inland Eurasia, is presented. Overall,
Externí odkaz:
https://doaj.org/article/abae0fc1b1bc4d2487e09f9e7b867fdd
Publikováno v:
Radioengineering, Vol 27, Iss 4, Pp 1070-1076 (2018)
A compact dual-band negative group delay circuit (NGDC) is proposed. The proposed NGDC is composed of an open-circuited transmission line and two resistors connected by two transmission lines. The frequency ratio is controlled by the characteristic i
Externí odkaz:
https://doaj.org/article/abfa2ce90bd34bd18631b94265dfeb5e