Abstract
One of the critical advantages of a high-altitude airship (HAA) is its ability to carry multiple-task payloads for remote sensing monitoring on the plateau. We developed a multi-payload observation system based on the HAA (ASQ-MPHAAS) for remote sensing monitoring of the Qinghai plateau. In this paper, we demonstrate the design, development, implementation of the ASQ-MPHAAS. The ASQ-MPHAAS includes two parts; one part is our HAA (ASQ-HAA380), and the other part is our multi-payload observation system (ASQ-MPOS-1). The ASQ-MPOS-1 consists of two hyperspectral push-broom imaging sensors, a multispectral imaging sensor, a high-resolution RGB camera, a video sensor, a Position and Orientation System (POS), and other components. The ASQ-MPOS-1 is installed under the ASQ-HAA380. We also introduce some key methods of data processing we propose to solve unique problems brought by HAA. Four real-world field experiments are presented in this paper to demonstrate that the ASQ-MPHAAS can capture different kinds of remote sensing data at a high spatial resolution of a few or dozen centimeters.
Highlights
M OST parts of Qinghai Province are located at altitudes over 3000-4000 m
This paper describes the deployment of the ASQ-MPOS-1 task payloads (Section 2.1), while Section 2.2 and Section 2.3 contains an in-depth description of time synchronization and power supply of the ASQ-MPOS-1
This study has described the design, implementation, and field trials of a multi-payload synchronized earth observation system from the high altitude airship (MPHAAS), which was developed for different high-resolution kinds of images acquisition
Summary
M OST parts of Qinghai Province are located at altitudes over 3000-4000 m. It is challenging to observe the grassland on Qinghai plateau using common airborne platforms such as manned aircraft and UAVs. Our research group developed a new multi-payload system based on an HAA (ASQ-MPHAAS) for remote sensing monitoring of the grasslands on Qinghai plateau. The ASQ-MPOS-1 includes a high spatial resolution camera with. Compared with the typical manned aircraft system, the ASQ-MPHAAS is developed for the highaltitude environment monitoring; it can fly and observe at an altitude of over 5000 m above the sea level. The ASQ-MPOS-1 employs 6 task payloads to synchronously collect different kinds of remote sensing data for multi-task indicators monitoring. In Experiment IV, the ASQ-MPHAAS is tested on Jinyintan grassland of Qinghai plateau, and ASQ-MPHAAS achieve centimeter-level spatial resolution. This spatial resolution was found to be adequate for capturing the plants and other objects of grassland in sufficient detail
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