Results 1 to 10 of about 1,213,582 (315)
Integrated design of ranging and DOR signal for China's deep space navigation
Open Astronomy, 2022 An integrated ranging and differential one-way range (DOR) signal design is implemented. The design utilizes the regenerative pseudo-noise ranging scheme and one pair of dedicated DOR tones for the deep space United X Band system.
Xu Dezhen, Huang Lei, Chen Shaowu
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Follow the Data! A Strategy for Tracing Infrastructural Power
Media and Communication, 2023 Recalling the well-known strategy of “following the money” when investigating the underlying power structures and business models of legacy media, this article argues that studies of digital political economies can benefit instead from following the data.
Sofie Flensburg, Signe Sophus Lai
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The adaptive neural network sliding mode control for angle/force tracking of the dexterous hand
Advances in Mechanical Engineering, 2021 In order to achieve high precision control of the dexterous hand, an adaptive neural network sliding mode control algorithm based on the U-K (Udwadia-Kalaba) equation is proposed. Firstly, based on the U-K equation and considering the ideal and non-ideal
Xing Qin, Heng Shi, Xin Gao, Xiyu Li
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Research of software time synchronization project on Kylin operating system
Dianzi Jishu Yingyong, 2018 The development of homemade computer system of measurement and controlling becomes quickly, but the research of software time on Kylin is still on an underway phase. This paper puts forward the software time project, and tests the performance.
Li Yonggang +4 more
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Applied Sciences, 2017 In order to solve the problem of an uncertain initial state and big errors for hypersonic glide vehicle (HGV) tracking, a hybrid model algorithm is proposed by combining a single model algorithm with a multiple model algorithm.
Yu Fan +4 more
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Flush Air Data Sensing System for Launch Vehicle
气体物理, 2023 A flush air data sensing (FADS) system was designed to measure the aerosphere parameters at the launch vehicle fairing. The measurement plan and precision were investigated for the launch vehicle FADS.
Chuan CHENG, Yang LIU
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Space Debris Observation Using Star Sensors Based on Scanning Circle Model
IEEE AccessWith the large-scale deployment of mega-constellations, the number of on-orbit star sensors is rapidly increasing. Building on the advancements in star sensor detection capabilities, this paper proposes utilizing star sensors as dual-purpose sensors to ...
Fei Feng +4 more
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Improving the spatial accuracy of wildlife tracking data with automated radio telemetry systems
Animal BiotelemetryAutomated radio telemetry systems (ARTS) consisting of animal-borne radio transmitters and networks of fixed radio receivers are frequently used to continuously track wildlife movements over time.
Sean Burcher +5 more
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International Journal of Aerospace EngineeringAimed at the antijamming needs of the space tracking, telemetry command (TT&C) receiver under a low signal-to-noise ratio, the anti-interference advantage of the dual-sequence frequency hopping (DSFH) communication system is applied.
Guangkai Liu +4 more
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High performance metamaterial device with enhanced electromagnetic energy harvesting efficiency
AIP Advances, 2017 A high performance metamaterial device for electromagnetic energy harvesting is presented. The unit cell of the metamaterial device consists of four identical omega ring resonators arranged in rotational symmetry, and each omega ring is loaded with a 50 ...
Shuai Shang +4 more
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