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CAS IR Grid
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力学研究所 [3]
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期刊论文 [8]
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1997 [1]
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激光技术;激光物理与... [1]
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On the Lock-In Phenomena near the Transonic Buffet Onset of a Prescribed Pitching Airfoil
期刊论文
OAI收割
APPLIED SCIENCES-BASEL, 2024, 卷号: 14, 期号: 13, 页码: 19
作者:
Wei LY(韦莲旖)
;
Zheng GN(郑冠男)
;
Lu WS(陆维爽)
;
Zhang YC(张煜宸)
;
Yang GW(杨国伟)
  |  
收藏
  |  
浏览/下载:18/0
  |  
提交时间:2024/08/19
transonic buffet
limit cycle oscillation
energy exchange
phase shift
buffet lock-in phenomena
CMIP6 models simulation of the connection between North/South Pacific Meridional Mode and ENSO
期刊论文
OAI收割
JOURNAL OF OCEANOLOGY AND LIMNOLOGY, 2024, 页码: 15
作者:
Lu, Yunlong
;
Feng, Junqiao
;
Hu, Dunxin
  |  
收藏
  |  
浏览/下载:34/0
  |  
提交时间:2024/04/07
North and South Pacific Meridional Modes (NPMM and SPMM)
El Nino-Southern Oscillation (ENSO)
Pacific decadal oscillation (PDO)
Coupled Model Intercomparison Project Phase 6 (CMIP6)
Detection of Flare Multiperiodic Pulsations in Mid-ultraviolet Balmer Continuum, Lyl Hard X-Ray, and Radio Emissions Simultaneously
期刊论文
OAI收割
The Astrophysical Journal, 2021, 卷号: 921, 页码: 179
作者:
HXMT
  |  
收藏
  |  
浏览/下载:33/0
  |  
提交时间:2022/02/08
Solar flares
Solar oscillations
Solar ultraviolet emission
Solar
x-ray emission
Solar radio emission
1496
1515
1533
1536
1522
Astrophysics - Solar and Stellar Astrophysics
Abstract: Quasi-periodic pulsations (QPPs), which usually appear as temporal pulsations of the total flux, are frequently detected in the light curves of solar/stellar flares. In this study, we present the investigation of nonstationary QPPs with multiple periods during the impulsive phase of a powerful flare on 2017 September 6, which were simultaneously measured by the Hard X-ray Modulation Telescope (Insight-HXMT), as well as the ground-based BLENSW. The multiple periods, detected by applying a wavelet transform and Lomb-Scargle periodogram to the detrended light curves, are found to be ~20-55 s in the Ly`and mid-ultraviolet Balmer continuum emissions during the flare impulsive phase. Similar QPPs with multiple periods are also found in the hard X-ray emission and low-frequency radio emission. Our observations suggest that the flare QPPs could be related to nonthermal electrons accelerated by the repeated energy release process, i.e., triggering of repetitive magnetic reconnection, while the multiple periods might be modulated by the sausage oscillation of hot plasma loops. For the multiperiodic pulsations, other generation mechanisms could not be completely ruled out.
The local-field corrective effect on Rabi oscillation of ultrashort pulse excitation in semiconductor GaAs
期刊论文
OAI收割
j. mod. opt., 2008, 卷号: 55, 期号: 11, 页码: 1713, 1722
Luo Jian
;
Xia Keyu
;
钮月萍
;
龚尚庆
收藏
  |  
浏览/下载:905/111
  |  
提交时间:2009/09/18
Rabi oscillation
ultrashort pulse
absolute phase
exciton
local field
Investigation of the adiabatic capture in CSRm
期刊论文
OAI收割
HIGH ENERGY PHYSICS AND NUCLEAR PHYSICS-CHINESE EDITION, 2004, 卷号: 28, 期号: 1, 页码: 92-95
作者:
Liu, W
;
Xia, JW
;
Zhang, WZ
;
Liu, Y
;
Xia, GX
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收藏
  |  
浏览/下载:21/0
  |  
提交时间:2010/10/29
Adiabatic Capture
Phase Oscillation
Matching
Surface waves in a vertically excited circular cylindrical container
期刊论文
OAI收割
Chinese Physics, 2004, 卷号: 13, 期号: 10, 页码: 1623-1630
作者:
Jian YJ(菅永军)
;
E XQ(鄂学全)
;
Zhang J(张杰)
;
Meng JM
收藏
  |  
浏览/下载:760/28
  |  
提交时间:2009/08/03
Vertically Forced Oscillation
Nonlinear Amplitude Equation
Phase-Plane
Surface Wave Modes
Faraday Waves
Instability
Fluids
Instability of the vertically forced surface wave in a circular cylindrical container
期刊论文
OAI收割
Chinese Physics, 2004, 卷号: 13, 期号: 10, 页码: 1631-1638
作者:
Jian YJ(菅永军)
;
E XQ(鄂学全)
收藏
  |  
浏览/下载:968/9
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提交时间:2009/08/03
Instability
Vertically Forced Oscillation
Amplitude Equation
Phase-Plane Trajectories
Faraday Experiment
Viscous Fluids
Patterns
Visualization of Unsteady Gas/Vapor Expansion Flows
期刊论文
OAI收割
JOURNAL OF THERMAL SCIENCE, 1997, 卷号: 6, 期号: 3, 页码: 171,180
G.H. Schnerr
;
S. Adam
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2013/03/12
two-phase flow
instability
oscillation
compressible flow
CFD
nozzle flow.