Results 1 to 10 of about 18,561 (142)

Space debris and satellite laser ranging combined using a megahertz system [PDF]

Nature Communications
Satellite laser ranging and space debris laser ranging are two closely related range measurement techniques with slightly different setups relying on different lasers.
Michael A. Steindorfer, Peiyuan Wang, Franz Koidl, Georg Kirchner   +3 more
doaj   +2 more sources

Modeling and Simulation of Inter-Satellite Laser Communication for Space-Based Gravitational Wave Detection [PDF]

Sensors
Space-based gravitational wave detection uses an equilateral triangular satellite constellation with inter-satellite laser heterodyne interferometry to measure displacement variations caused by gravitational waves.
Haoqian Liang, Zhaoxiang Yi, Hongling Ling, Kai Luo   +3 more
doaj   +2 more sources

Assignment of hybrid laser and microwave inter-satellite links for navigation satellite systems [PDF]

Scientific Reports
A hybrid network comprising both laser and microwave inter-satellite links (ISLs) has been established within navigation satellite constellations. Leveraging the flexible construction of microwave links and the high ranging accuracy and communication ...
Nan Wang, Leyuan Sun, Yuankun Fang, Zhengkai Lu, Qiancheng Ding, Chengzhuo Wang, Wende Huang   +6 more
doaj   +2 more sources

OVERVIEW OF THE TERRESTRIAL ECOSYSTEM CARBON MONITORING SATELLITE LASER ALTIMETER [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2022
The Terrestrial Ecosystem Carbon Monitoring satellite will be the first satellite of China with multi-beams laser altimeter and repetition frequency equal to GLAS on the world first laser altimetry satellite ICESat, but smaller diameter than GLAS.
G. Li, X. Gao, F. Hu, A. Guo, Z. Liu, J. Chen, C. Liu, S. Nie, A. Fu   +8 more
doaj   +1 more source

A Separate Calibration Method of Laser Pointing and Ranging for the GF-7 Satellite Laser That Does Not Require Field Detectors

Remote Sensing, 2022
Satellite laser altimeters have been widely used in the surveying, mapping, forestry, and polar regions and by other industries due to their excellent elevation measurement accuracy.
Ren Liu, Junfeng Xie, Chaopeng Xu, Junze Zeng, Fan Mo, Xiaomeng Yang   +5 more
doaj   +1 more source

Research on Semi-Physical Simulation Testing of Inter-Satellite Laser Interference in the China Taiji Space Gravitational Wave Detection Program

Applied Sciences, 2021
To guarantee a smooth in-orbit space gravitational wave detection for the Taiji mission, a semi-physical simulation test of inter-satellite laser interference is carried out.
Yikun Wang, Lingqiang Meng, Xuesen Xu, Yu Niu, Keqi Qi, Wei Bian, Qiujie Yang, Heshan Liu, Jianjun Jia, Jianyu Wang   +9 more
doaj   +1 more source

POINTING ANGLE CALIBRATION OF ZY3-02 SATELLITE LASER ALTIMETER USING TERRAIN MATCHING [PDF]

The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2017
After GLAS (Geo-science Laser Altimeter System) loaded on the ICESat (Ice Cloud and land Elevation Satellite), satellite laser altimeter attracts more and more attention.
G. Li, G. Li, G. Li, X. Tang, X. Tang, X. Tang, X. Gao, X. Gao, X. Gao, J. P. Huang, J. P. Huang, J. Chen, J. Chen, J. Lu, J. Lu   +14 more
doaj   +1 more source

Rigorous Sensor Model of Gaofen-7 Satellite Laser Altimeter Based on Coupled Footprint Camera

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 2023
The Gaofen-7 (GF-7) satellite system adds a footprint camera that shares the same optical path as its laser altimeter to ensure consistent spatial referencing between the laser footprint point and the obtained optical images.
Shaoning Li, Guo Zhang, Xiufang Fan
doaj   +1 more source

10 kHz repetition rate picosecond green laser for high-accuracy satellite ranging

Frontiers in Physics, 2023
Picosecond pulse laser is the main light source for satellite laser ranging. In this paper, a 10 kHz repetition rate picosecond green laser with an average output power of 5.3 W is demonstrated.
Zhongwei Fan, Zhongwei Fan, Xiaopeng Liu, Xiaopeng Liu, Zhongping Zhang, Wendong Meng, Mingliang Long, Zhenao Bai   +7 more
doaj   +1 more source

Evaluation of the Emissions State of a Satellite Laser Altimeter Based on Laser Footprint Imaging

Remote Sensing, 2022
The GaoFen-7(GF-7) satellite is equipped with China’s first laser altimeter for Earth observation; it has the capability of full waveform recording, which can obtain global high-precision three-dimensional coordinates over a wide range.
Jiaqi Yao, Haoran Zhai, Shuqi Wu, Zhen Wen, Xinming Tang   +4 more
doaj   +1 more source