中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页
机构
成果
学者
登录
注册
登陆
×
验证码:
换一张
忘记密码?
记住我
×
校外用户登录
CAS IR Grid
机构
遥感与数字地球研究所 [3]
成都山地灾害与环境研... [2]
长春光学精密机械与物... [2]
电子学研究所 [1]
国家授时中心 [1]
采集方式
OAI收割 [9]
内容类型
会议论文 [5]
期刊论文 [3]
学位论文 [1]
发表日期
2020 [1]
2019 [2]
2014 [1]
2012 [2]
2011 [2]
2009 [1]
更多
学科主题
SAR [1]
筛选
浏览/检索结果:
共9条,第1-9条
帮助
条数/页:
5
10
15
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
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
北斗系统QMBOC信号无模糊多径抑制算法研究1
期刊论文
OAI收割
时间频率学报, 2020, 卷号: 43, 期号: 2, 页码: 153
作者:
王森
;
王雪
;
霍翔
;
饶永南
;
陈校非
  |  
收藏
  |  
浏览/下载:47/0
  |  
提交时间:2021/11/29
BDS quadrature multiplexed binary offset carrier (QMBOC) signal
Bump-Jump
dual estimate technology (DET)
narrow correlator technology
high resolution correlator (HRC)
unambiguous tracking
multipath mitigation
BDS正交复用二进制偏移载波(QMBOC)信号
Bump-Jump
双重估计(DET)
窄相关技术
高分辨率相关器(HRC)
无模糊跟踪
多径抑制
Characteristics of mountain glacier surge hazard: learning from a surge event in NE Pamir, China
期刊论文
OAI收割
JOURNAL OF MOUNTAIN SCIENCE, 2019, 卷号: 16, 期号: 7, 页码: 1515-1533
作者:
Yao, Xin
;
Iqbal, Javed
;
Li, Ling-jing
;
Zhou, Zheng-kai
  |  
收藏
  |  
浏览/下载:84/0
  |  
提交时间:2019/08/07
Glacier surges
Moraine
Glacier hazards
Mountain glacier
Glacier monitoring
Offset-tracking SAR
Characteristics of mountain glacier surge hazard: learning from a surge event in NE Pamir, China
期刊论文
OAI收割
JOURNAL OF MOUNTAIN SCIENCE, 2019, 卷号: 16, 期号: 7, 页码: 1515-1533
作者:
Yao, Xin
;
Iqbal, Javed
;
Li, Ling-jing
;
Zhou, Zheng-kai
  |  
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2020/11/03
Glacier surges
Moraine
Glacier hazards
Mountain glacier
Glacier monitoring
Offset-tracking SAR
InSAR相位重建技术与PSInSAR地表形变监测技术研究
学位论文
OAI收割
博士, 北京: 中国科学院研究生院, 2014
陈润璞
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2014/06/10
合成孔径雷达干涉技术(InSAR)
永久散射体干涉技术(Persistent Scatterer Interferometry
非局部(Nonlocal
相位解缠(Phase Unwrapping
差分合成孔径雷达干涉技术(DInSAR)
PSInSAR)
NL)滤波
PhU)
STAMPS
相位降噪
相位重建
模型误差
EMD算法
Offset-tracking算法
MONITORING GLACIER SURFACE VELOCITY IN WEST KUNLUN MOUNTAIN USING OFFSET TRACKING METHODS BASED ON ALOS/PALSAR IMAGES
会议论文
OAI收割
2012 Ieee International Geoscience and Remote Sensing Symposium, New York
Ruan, Zhixing
;
Guo, Huadong
;
Liu, Guang
;
Yan, Shiyong
收藏
  |  
浏览/下载:18/0
  |  
提交时间:2014/12/07
Mountain glaciers
west Kunlun Mountain
offset tracking
remote sensing
RADAR INTERFEROMETRY
FLOW
MOUNTAIN GLACIER MOTION CHANGE DETECTION BY SATELLITE L-BAND SAR DATA
会议论文
OAI收割
2012 Ieee International Geoscience and Remote Sensing Symposium, New York
Zhou, Jianmin
;
Li, Zhen
;
Tang, Panpan
收藏
  |  
浏览/下载:30/0
  |  
提交时间:2014/12/07
InSAR
Offset-tracking
Mountain glacier
Motion
The sequence measurement system of the IR camera (EI CONFERENCE)
会议论文
OAI收割
International Symposium on Photoelectronic Detection and Imaging 2011: Advances in Infrared Imaging and Applications, May 24, 2011 - May 24, 2011, Beijing, China
作者:
Zhang H.-B.
;
Han H.-X.
;
Geng A.-H.
收藏
  |  
浏览/下载:35/0
  |  
提交时间:2013/03/25
Currently
the IR cameras are broadly used in the optic-electronic tracking
optic-electronic measuring
fire control and optic-electronic countermeasure field
but the output sequence of the most presently applied IR cameras in the project is complex and the giving sequence documents from the leave factory are not detailed. Aiming at the requirement that the continuous image transmission and image procession system need the detailed sequence of the IR cameras
the sequence measurement system of the IR camera is designed
and the detailed sequence measurement way of the applied IR camera is carried out. The FPGA programming combined with the SignalTap online observation way has been applied in the sequence measurement system
and the precise sequence of the IR camera's output signal has been achieved
the detailed document of the IR camera has been supplied to the continuous image transmission system
image processing system and etc. The sequence measurement system of the IR camera includes CameraLink input interface part
LVDS input interface part
FPGA part
CameraLink output interface part and etc
thereinto the FPGA part is the key composed part in the sequence measurement system. Both the video signal of the CmaeraLink style and the video signal of LVDS style can be accepted by the sequence measurement system
and because the image processing card and image memory card always use the CameraLink interface as its input interface style
the output signal style of the sequence measurement system has been designed into CameraLink interface. The sequence measurement system does the IR camera's sequence measurement work and meanwhile does the interface transmission work to some cameras. Inside the FPGA of the sequence measurement system
the sequence measurement program
the pixel clock modification
the SignalTap file configuration and the SignalTap online observation has been integrated to realize the precise measurement to the IR camera. Te sequence measurement program written by the verilog language combining the SignalTap tool on line observation can count the line numbers in one frame
pixel numbers in one line and meanwhile account the line offset and row offset of the image. Aiming at the complex sequence of the IR camera's output signal
the sequence measurement system of the IR camera accurately measures the sequence of the project applied camera
supplies the detailed sequence document to the continuous system such as image processing system and image transmission system and gives out the concrete parameters of the fval
lval
pixclk
line offset and row offset. The experiment shows that the sequence measurement system of the IR camera can get the precise sequence measurement result and works stably
laying foundation for the continuous system. 2011 Copyright Society of Photo-Optical Instrumentation Engineers (SPIE).
KEKESAYI GLACIER VELOCITY EXTRACTION BASED ON THE OFFSETS DERIVED FROM SAR IMAGES
会议论文
OAI收割
2011 Ieee International Geoscience and Remote Sensing Symposium, New York
Yan, Shiyong
;
Guo, Huadong
;
Fu, Wenxue
;
Liu, Guang
;
Ruan, Zhixing
收藏
  |  
浏览/下载:30/0
  |  
提交时间:2014/12/07
Kekesayi glacier
cross-correlation
offset tracking
surface velocity
Modeling and analysis of dialyte-lens auto-focusing technology for theodolite (EI CONFERENCE)
会议论文
OAI收割
2008 International Conference on Optical Instruments and Technology: Optoelectronic Measurement Technology and Applications, November 16, 2008 - November 19, 2008, Beijing, China
Wu L.-T.
;
Qiao Y.-F.
;
Wu D.-K.
;
Cai S.
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2013/03/25
In order to realize real-time auto-focusing for theodolite
lens-apart method was designed with the corresponding math model built and analyzed. An Object beam splitted after the first image surface of the theodolite traveled through two dialyte lens and then was imaged on CCD. The distance between two spots when exactly focused was set as the calibration value
and the relationship between defocus distance and spot offset was given. The influence of tracking center shift and divergence angle etc. on focusing accuracy was analyzed. Compared with the traditional focusing method
this scheme has a higher accuracy
faster calculation
higher tolerance for environment temperature and a simpler construction. The experiment result exhibited a resolution higher than 0.056mm
which shows a bright engineering application prospect for this method. 2009 SPIE.