英国物理学会
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作者:H. Li , T. Xue ...
来源:[J].Journal of Instrumentation(IF 1.869), 2017, Vol.12 (04)IOP
摘要:White Rabbit technology is capable of delivering sub-nanosecond accuracy and picosecond precision of synchronization and normal data packets over the fiber network. Carry chain structure in FPGA is a popular way to build TDC and tens of picosecond RMS resolution has been achieved...
作者:H. Li , C. Yu
来源:[J].Journal of Instrumentation(IF 1.869), 2014, Vol.9 (12)IOP
摘要:A novel large aperture quasi-optical imaging system is designed for the new dual-array electron cyclotron emission (ECE) imaging (ECEI) instrument on the EAST tokamak. The zoom doublet scheme is used in the microwave imaging system on a super-conducting tokamak for the first time...
作者:H. Li , Y.N. Liu
来源:[J].Journal of Instrumentation(IF 1.869), 2015, Vol.10 (04)IOP
摘要:This article presents the Digital Penalized LMS (Least Mean Square) deconvolution method for processing the X-ray polarimeter readout electronics output signal. The deconvolution filter is used to recover the detector signal high frequency component, which is lost due to the limi...
作者:... J.L. Xie , H. Li , W.D. Liu
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (4)IOP
摘要:Coexisting dual kinetic geodesic acoustic modes (KGAMs) with similar characteristics have been observed with Langmuir probe arrays in the edge plasma of HL-2A tokamak with low density Ohmic discharge. The dual KGAMs are named a low-frequency GAM (LFGAM) and a high-frequency GAM (...
作者:H. Li , G. Zhuang ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (3)IOP
摘要:Dynamics of the pedestal between type-III ELMs have been studied by a particular designed four-step probe array on HL-2A tokamak. The recovery of the edge transport barrier (ETB) can be divided clearly into three different phases. Inconsistent with the dynamics during the ty...
作者:H. Li , T. Lan ...
来源:[J].Nuclear Fusion(IF 2.734), 2018, Vol.58 (10)IOP
摘要:The geodesic acoustic mode (GAM) has been observed for the first time in EAST H-mode operation using Doppler backscattering (DBS) systems. The poloidal and toroidal symmetries of the radial electric field ( E r) fluctuation ( m = 0 and n = 0) have also been demonstrate...
作者:... T. Lan , H. Li , H. Qin
来源:[J].Journal of Instrumentation(IF 1.869), 2018, Vol.13 (10)IOP
摘要:A new data cleaning procedure for the electron cyclotron emission imaging (ECEI) of the EAST tokamak is developed. Machine learning techniques, including support vector machine (SVM) and Decision Trees, are applied to the identification of saturated, zero, and weak signals of the...
作者:H. Li , W. Luo ...
来源:[J].Journal of Instrumentation(IF 1.869), 2019, Vol.14 (01)IOP
摘要:Aeromagnetic surveys using unmanned aerial vehicles (UAV) can be used in low-altitude detailed detection of small-scale magnetic anomalies and offers an auxiliary means for geomagnetic survey on land. However, excessive weight of the detection instruments and strong magnetic inte...
作者:H. Li , C. Chen ...
来源:[J].Journal of Instrumentation(IF 1.869), 2019, Vol.14 (05)IOP
摘要:To provide good performance of spatial and energy measurement for the experiments at the HIRFL-CSR, a double-sided silicon strip detector (DSSD) has been designed as the pixel detector. Performance of the DSSD has been characterized in a vacuum chamber with the alpha source....
作者:H. Li , W.D. Liu
来源:[J].Nuclear Fusion(IF 2.734), 2017, Vol.57 (1)IOP
摘要:An electrostatic coherent mode with a frequency of kHz can be observed during the formation of transport barriers in high-confinement-mode plasma in the HL-2A tokamak, using reciprocating Langmuir probes. The mode drives a strong inward particle flux measured directly with four-...

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