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Discovery of the enigmatic taeniopterid plant Ilfeldia from the lower Permian of North China and its palaeophytogeographical implications 期刊论文  OAI收割
HISTORICAL BIOLOGY, 2024, 页码: 8
作者:  
Zhou, Weiming;  Psenicka, Josef;  Hilton, Jason;  Wang, Jun
  |  收藏  |  浏览/下载:5/0  |  提交时间:2025/03/28
Development of Individual Variability in Brain Functional Connectivity and Capability across the Adult Lifespan 期刊论文  OAI收割
CEREBRAL CORTEX, 2021, 卷号: 31, 期号: 8, 页码: 3925-3938
作者:  
Ma, Liying;  Tian, Lixia;  Hu, Tianyu;  Jiang, Tianzi;  Zuo, Nianming
  |  收藏  |  浏览/下载:53/0  |  提交时间:2021/11/02
GRB 200415A: A Short Gamma-Ray Burst from a Magnetar Giant Flare? 期刊论文  OAI收割
The Astrophysical Journal, 2020, 卷号: 899, 页码: 106
作者:  
HXMT
  |  收藏  |  浏览/下载:41/0  |  提交时间:2022/02/08
Gamma-ray bursts  Soft gamma-ray repeaters  Magnetars  Gamma-ray  transient sources  629  1441  992  1853  Astrophysics - High Energy  Astrophysical Phenomena  Abstract: The giant flares of soft gamma-ray repeaters (SGRs) have long been proposed to contribute to at least a subsample of the observed short gamma-ray bursts (GRBs). In this paper, we perform a comprehensive analysis of the high-energy data of the recent bright short GRB 200415A, which was located close to the Sculptor galaxy. Our results suggest that a magnetar giant flare provides the most natural explanation for most observational properties of GRB 200415A, including its location, temporal and spectral features, energy, statistical correlations, and high-energy emissions. On the other hand, the compact star merger GRB model is found to have difficulty reproducing such an event in a nearby distance. Future detections and follow-up observations of similar events are essential to firmly establish the connection between SGR giant flares and a subsample of nearby short GRBs.  
The design of high-speed optical fiber communication system based on PCI bus (EI CONFERENCE) 会议论文  OAI收割
2010 2nd IEEE International Conference on Advanced Management Science, ICAMS 2010, July 9, 2010 - July 11, 2010, Chengdu, China
作者:  
Zhang L.-G.
收藏  |  浏览/下载:57/0  |  提交时间:2013/03/25
In order to increase the transmission distance and reduce noise effectively  a communication system with the optical fiber interface is developed in this paper. In the system  the PCI bus is adopted as the connection bus between the underlying optical fiber transceiver module circuitry and host computer using the WDM driver. The FPGA is the core logic of the whole system  responsible for data transmission and timing logic control. The module structure and the design method of the PCI bus  the principle and the design of optical interface module and the bottom-driven development are described in this paper. The experiment results show that the system has basically meet requirement targets. It can achieve the maximum transfer rate of 40MBps when running in the DMA mode. With long transmission distance  strong antiinterference and high scalability  this system has stable and reliable performance. 2010 IEEE.