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筛选

浏览/检索结果: 共39条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 Spatiotemporal heterogeneity in ecosystem service trade-offs and their drivers in the Huang-Huai-Hai Plain, China 期刊论文  OAI收割 LANDSCAPE ECOLOGY, 2024, 卷号: 39, 期号: 3, 页码: 19 作者:  Qiao, Jianmin;  Deng, Longyun;  Liu, Haimeng;  Wang, Zheye   |  收藏  |  浏览/下载：34/0  |  提交时间：2024/03/25 Ecosystem management  Root-mean-square deviation  Spatial heterogeneity  Landscape sustainability   Analysis on response characteristics and detectability of transient electromagnetic transverse magnetic field 期刊论文  OAI收割 CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2023, 卷号: 66, 期号: 9, 页码: 3914-3927 作者:  Zhou NanNan;  Wei XinHao;  Zhang Shun   |  收藏  |  浏览/下载：22/0  |  提交时间：2023/12/28 Double-line transient electromagnetic method  Transverse magnetic field  Transverse electric field  Root mean square misfit   Detection of Periodic Signals With Time-Varying Coefficients From CMONOC Stations in China by Singular Spectrum Analysis 期刊论文  OAI收割 IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING, 2023, 卷号: 61, 页码: 5802812 作者:  Wu, Shuguang;  Li, Zhao;  Li, Houpu;  Bian, Shaofeng;  Ouyang, Hua   |  收藏  |  浏览/下载：14/0  |  提交时间：2024/01/04 Crustal Movement Observation Network of China (CMONOC) stations  periodic signals with time-varying coefficients (PSTC)  root mean square error (RMSE) improve-ment rate  singular spectrum analysis (SSA) method   Does agroecosystem model improvement increase simulation accuracy for agricultural N2O emissions? 期刊论文  OAI收割 AGRICULTURAL AND FOREST METEOROLOGY, 2021, 卷号: 297, 页码: 12 作者:  Zhang, Yajie;  Yu, Qiang   |  收藏  |  浏览/下载：37/0  |  提交时间：2021/03/15 Nitrous oxide emission  Agroecosystem model evolution  Coefficient of determination  Root mean square error  Meta-analysis   Trade-off analyses of plant biomass and soil moisture relations on the Loess Plateau 期刊论文  OAI收割 CATENA, 2021, 卷号: 197, 页码: 9 作者:  Su, Bingqian;  Su, Zhuoxia;  Shangguan, Zhouping   |  收藏  |  浏览/下载：42/0  |  提交时间：2021/03/15 Aboveground biomass  Belowground biomass  Soil moisture  Root mean square deviation  Loess Plateau   How Do Amusement, Anger and Fear Influence Heart Rate and Heart Rate Variability? 期刊论文  OAI收割 FRONTIERS IN NEUROSCIENCE, 2019, 卷号: 13, 页码: 6 作者:  Wu, Yan;  Gu, Ruolei;  Yang, Qiwei;  Luo, Yue-jia   |  收藏  |  浏览/下载：29/0  |  提交时间：2020/03/15 anger  fear  amusement  heart rate  heart rate variability  root mean square of successive differences   Timing analysis of Swift J1658.2-4242's outburst in 2018 with Insight-HXMT, NICER and AstroSat 期刊论文  OAI收割 Journal of High Energy Astrophysics, 2019, 卷号: 24, 页码: 30-40 作者:  HXMT   |  收藏  |  浏览/下载：57/0  |  提交时间：2022/02/08 Accretion  accretion disks  Black hole physics  X-rays: binaries:  Swift J1658.2-4242  Astrophysics - High Energy Astrophysical Phenomena  Abstract: We present the observational results from a detailed timing analysis of the black hole candidate Swift J1658.2-4242 during its 2018 outburst with the observations of Hard X-ray Modulation Telescope (Insight-HXMT), Neutron Star Interior Composition Explorer (NICER) and AstroSat in 0.1-250 keV. The evolution of intensity, hardness and integrated fractional root mean square (rms) observed by Insight-HXMT and NICER are presented in this paper. Type-C quasi-periodic oscillations (QPOs) observed by NICER (0.8-3.5 Hz) and Insight-HXMT (1-1.6 Hz) are also reported in this work. The features of the QPOs are analyzed with an energy range of 0.5-50 keV. The relations between QPO frequency and other characteristics such as intensity, hardness and QPO rms are carefully studied. The timing and spectral properties indicate that Swift J1658.2-4242 is a black hole binary system. Besides, the rms spectra of the source calculated from the simultaneous observation of Insight-HXMT, NICER and AstroSat support the Lense-Thirring origin of the QPOs. The relation between QPO phase lag and the centroid frequency of Swift J1658.2-4242 reveals a near zero constant when < 4Hz and a soft phase lag at 6.68 Hz. This independence follows the same trend as the high inclination galactic black hole binaries such as MAXI J1659-152.   Study of time link calibration based on GPS carrier phase observation 期刊论文  OAI收割 IET RADAR SONAR AND NAVIGATION, 2018, 卷号: 12, 期号: 11, 页码: 1330-1335 作者:  Zhang, Pengfei;  Tu, Rui;  Gao, Yuping;  Guang, Wei;  Zhang, Rui   |  收藏  |  浏览/下载：17/0  |  提交时间：2021/11/29 Global Positioning System  clocks  calibration  GPS carrier phase observation  time link calibration  precise time transfer solution software  zero baseline time link  long distance baseline time link experiment  Global Positioning System  root mean square value  national time service centre  NTSC   Evaluation of ionospheric height assumption for single station GPS-TEC derivation 期刊论文  OAI收割 ADVANCES IN SPACE RESEARCH, 2017, 卷号: 60, 期号: 2, 页码: 286-294 作者:  Lu, Weijun;  Ma, Guanyi;  Wang, Xiaolan;  Wan, Qingtao;  Li, Jinghua 收藏  |  浏览/下载：67/0  |  提交时间：2017/09/01 Ionosphere  Single layer model  Total electron content  Instrumental bias  Root mean square error   Stochastic symplectic methods based on the pade approximations for linear stochastic hamiltonian systems 期刊论文  iSwitch采集 Journal of computational and applied mathematics, 2017, 卷号: 311, 页码: 439-456 作者:  Sun, Liying;  Wang, Lijin 收藏  |  浏览/下载：43/0  |  提交时间：2019/05/09 Bade approximation  Linear stochastic hamiltonian systems  Symplectic methods  Root-mean-square convergence order