Results 11 to 20 of about 163 (69)

Comparison on Quantitative Analysis of Olivine Using MarSCoDe Laser-Induced Breakdown Spectroscopy in a Simulated Martian Atmosphere

Remote Sensing, 2022
A Mars Surface Composition Detector (MarSCoDe) instrument mounted on Zhurong rover of Tianwen-1, adopts Laser-Induced Breakdown Spectroscopy (LIBS), with no sample preparation or dust and coatings ablation required, to conduct rapid multi-elemental ...
Xiangfeng Liu, Zhenqiang Zhang, Luning Li   +2 more
exaly   +5 more sources

Geochemistry of Mars with Laser-Induced Breakdown Spectroscopy (LIBS): ChemCam, SuperCam, and MarSCoDe

Minerals (Basel, Switzerland)
Laser-induced breakdown spectroscopy (LIBS) has been used to explore the chemistry of three regions of Mars on respective missions by NASA and CNSA, with CNES contributions.
Sylvestre Maurice, Agnes Cousin, Sam M. Clegg   +2 more
exaly   +4 more sources

Wavelength Calibration for the LIBS Spectra of the Zhurong Mars Rover

Remote Sensing, 2023
China’s first Mars rover, Zhurong, landed on the southern region of Utopia Planitia, Mars, on 14 May 2021 (UTC). Zhurong is equipped with the Mars Surface Composition Detection Package (MarSCoDe), which analyzes the Martian surface’s material composition.
Yizhong Zhang, Xin Ren, Zhaopeng Chen, Wangli Chen, Zhenqiang Zhang, Xiangfeng Liu, Weiming Xu, Jianjun Liu, Chunlai Li   +8 more
doaj   +3 more sources

MarsCode Agent: AI-native Automated Bug Fixing [PDF]

CoRR
Recent advances in large language models (LLMs) have shown significant potential to automate various software development tasks, including code completion, test generation, and bug fixing. However, the application of LLMs for automated bug fixing remains
Yi-Zhou Liu, Peng-Fei Gao, Xinchen Wang, Jie Liu, Yexuan Shi, Zhao Zhang, Chao Peng   +6 more
semanticscholar   +5 more sources

A multi-distance laser-induced breakdown spectroscopy data classification method based on deep convolutional neural network and spectral sample weight optimization [PDF]

Scientific Reports
Laser-induced breakdown spectroscopy (LIBS) is a stand-off chemical analysis technique. In scenarios where the LIBS detection distance varies (e.g. Mars exploration), the distance effect poses a significant challenge to data analysis.
Xuchen Zhang, Luning Li, Zhicheng Cui, Weiming Xu, Xuesen Xu, Rong Shu, Xiangfeng Liu, Jianyu Wang   +7 more
doaj   +3 more sources

Convolutional Neural Network Chemometrics for Rock Identification Based on Laser-Induced Breakdown Spectroscopy Data in Tianwen-1 Pre-Flight Experiments

Remote Sensing, 2022
Laser-induced breakdown spectroscopy (LIBS) coupled with chemometrics is an efficient method for rock identification and classification, which has considerable potential in planetary geology.
Fan Yang, Weiming Xu, Zhicheng Cui, Xiangfeng Liu, Xuesen Xu, Liangchen Jia, Yuwei Chen, Rong Shu, Luning Li   +8 more
doaj   +3 more sources

Design, Function, and Implementation of China's First LIBS Instrument (MarSCoDe) on the Zhurong Mars Rover

Atomic Spectroscopy, 2021
MarSCoDe (Mars Surface Composition Detector) is China's first instrument for Mars material analysis, which accompanies the Zhurong Mars rover landing on Utopia Planitia and will detect interested Martian rock and soil targets based on laser-induced ...
Xiong Wan, Chen-Hong Li, Hong-Peng Wang, Wei-Ming Xu, Jianjun Jia, Ying-Jian Xin, Huan-Zhen Ma, Pei-Pei Fang, Zongcheng Ling   +8 more
exaly   +3 more sources

Laser-Induced Breakdown Spectroscopy Quantitative Analysis Using a Bayesian Optimization-Based Tunable Softplus Backpropagation Neural Network

Remote Sensing
Laser-induced breakdown spectroscopy (LIBS) has played a critical role in Mars exploration missions, substantially contributing to the geochemical analysis of Martian surface substances.
Xuesen Xu, Shijia Luo, Xuchen Zhang, Weiming Xu, Rong Shu, Jianyu Wang, Xiangfeng Liu, Ping Li, Changheng Li, Luning Li   +9 more
doaj   +3 more sources

Compositional analysis of the MarSCoDe’s LIBS data from Zhurong rover

Goldschmidt2023 abstracts, 2023
Laser-induced breakdown spectroscopy (LIBS) has been a versatile technique for geochemical analysis of the Martian surface. Zhurong rover of China’s first Mars mission is carrying the Mars Surface Composition Detector (MarSCoDe) with LIBS capability [1].
Zhao-Peng Chen, M. Loche, Yizhong Zhang, Yuxuan Luo, Xin Ren, A. Cousin, Sylvestre Maurice, Chunlai Li   +7 more
semanticscholar   +2 more sources

Estimation of surface water content at the Tianwen-1 Zhurong landing site [PDF]

Earth and Planetary Physics, 2023
China’s first Mars rover, Zhurong, successfully landed in the south of Utopia Planitia. The surface water content at the landing area can provide constraints on mineral formation conditions and help us better understand the evolution of the Martian ...
Xiang Zhou, Yang Liu, Xing Wu, ZhenXing Zhao, YongLiao Zou   +4 more
doaj   +2 more sources