With the demand for satellite communication in Chinese and abroad markets, the satcom-on-the-move (SOTM) based on ships, vehicles, airplanes, and other applications has gradually moved from the military field to military-civilian integration. Satcom-on-the-move can realize the real-time alignment with the target satellite in the inertial space through the gyro-stabilized platform and servo control according to its own position and carrier move information, and ensure the smooth uplink and downlink of satellite communication. This paper mainly reviews the system composition of the satcom-on-the-move, the impact of gyro drift, and beacon maximum tracking. A gyro drift compensation method based on beacon feedback is designed, and the effectiveness of the method is verified through testing. This method effectively improves the ability of the satcom-on-the-move to recover instantly after losing the lock.
KEYWORDS: Batteries, Power supplies, Lithium, Intelligence systems, Design and modelling, Video, Switches, Unmanned aerial vehicles, Interfaces, Control systems
A load ground station system that supports intelligent charge management is designed. The load ground station is a ground measurement and control equipment for UAV monitoring system. It integrates computer, display, power management unit and photoelectric pod control rocker and other components, which can realize the real-time display of UAV airborne mission load video and real-time control of the pod. The system can support intelligent charge management, and has the functions of complementing mains power, automatically switching power supply path, over-charge and over-discharge protection. It integrates the ground station computer and pod control rocker into one, which can be widely used in rescue and disaster relief, homeland security, urban management and other fields. It has been verified that the ground station can adapt to the requirements of long time operation in the field, and has the advantages of convenient carrying and easy going out operation.
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