Results 61 to 70 of about 11,989 (269)

Economical High–Low Temperature and Heading Rotation Test Method for the Evaluation and Optimization of the Temperature Control System for High-Precision Platform Inertial Navigation Systems

open access: yesSensors, 2018
Inertial navigation systems (INSs) use the temperature control system to ensure the stability of the temperature of the inertial sensors for improving the navigation accuracy of the INSs.
Qiang Yang, Rong Zhang, Haixia Li
doaj   +1 more source

Study of Free‐Space Optical Quantum Network: Review and Prospectives

open access: yesAdvanced Science, Volume 13, Issue 36, 29 June 2026.
Free from the constraints of fiber connections, free‐space quantum network enables longer and more flexible quantum network connections. This review summarizes and comparatively analyzes free‐space quantum network experiments based on ground stations, satellites, and mobile platforms.
Hua‐Ying Liu, Zhenda Xie, Shining Zhu
wiley   +1 more source

MK ll Medium Gimbal Side-Pull Experiment

open access: yes, 2005
The new yaw resistant Mk II Medium Gimbal was tested throughout May 2005. An experiment was conducted to quantify the adverse effects of side force on the internal load cell in the gimbal.
Osmond, T.
core   +1 more source

Multi‐Metric Monitoring: Comparing Occupancy and Abundance Based Metric Sensitivity for Detecting Threatened Species Responses to Environmental Change

open access: yesGlobal Change Biology Communications, Volume 1, Issue 2, June 2026.
Abundance and occupancy provide complementary but non‐equivalent signals of threatened species change. Here, their relationship was nonlinear and responses to environmental change were context dependent, showing that no single metric captures all population responses and that combining both can better inform conservation action under global change ...
Tim S. Jessop   +7 more
wiley   +1 more source

Perancangan Komik Ruwatan Potong Rambut Gimbal di Dieng [PDF]

open access: yes, 2017
2016, Erwind Novia Suci Rahayu, Perancangan Komik Ruwatan Potong Rambut Gimbal di Dieng. Pengantar karya Tugas Akhir ini berjudul “Perancangan Komik Ruwatan Potong Rambut Gimbal di Dieng”.
R, ERWIND NOVIA SUCI
core  

Optimization Design about Gimbal Structure of High-Precision Autonomous Celestial Navigation Tracking Mirror System

open access: yes, 2016
High precision tracking platform of celestial navigation withcontrol mirror servo structure form, to solve the disadvantages of big volume and rotational inertia, slow response speed, and so on.
Huang Wei(黄伟)   +7 more
core   +1 more source

Revealing Tidal Pumping Processes of Alternating Groundwater Discharge and Tidal Intrusion Using Vertical Temperature Analysis Along an Estuarine Interface

open access: yesHydrological Processes, Volume 40, Issue 6, June 2026.
Temperature with depth measurements were used to model heat transport associated with sub‐daily changes in bidirectional hydrological fluxes. Tidal pumping along the shoreline, of alternating patterns of tidal intrusion during high tide and groundwater discharge during low tide, was modelled using a recursive estimation state‐space model.
Henry E. Moore   +9 more
wiley   +1 more source

Control System Development for Small UAV Gimbal

open access: yes, 2012
The design process of unmanned ISR systems has typically driven in the direction of increasing system mass to increase stabilization performance and imagery quality.
Brake, Nicholas J
core   +1 more source

Low power control for magnetically suspended control moment gyro based on current adaptive adjustment‐gimbal angular velocity feedforward method

open access: yesIET Electric Power Applications, 2022
Magnetically suspended control moment gyro (MSCMG) outputs gyro moment by changing the direction of the rotor angular momentum to adjust the spacecraft attitude.
Jinji Sun, Jiye Zhao
doaj   +1 more source

Fine‐Scale Spatial Variation of Evapotranspiration Across Tropical Land‐Cover Mosaics Revealed by UAV Thermography

open access: yesHydrological Processes, Volume 40, Issue 6, June 2026.
We study evapotranspiration (ET), a key flux in the hydrological cycle, across heterogeneous tropical land‐cover mosaics in lowland Sumatra featuring secondary forest patches, oil palm plantations, and shrubland. We apply high‐resolution UAV thermography and an energy‐balance model to derive ET across three mosaic landscapes (Areas 1–3).
Medha Bulusu   +4 more
wiley   +1 more source

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