With the rapid advancement of ecological environmental monitoring, precision agricultural management, territorial space governance, and satellite remote sensing technologies, the demand for multi-scale, multi-element, long-term continuous surface observation data has grown exponentially. Traditional single-element monitoring methodologies are no longer sufficient to support comprehensive analysis and cross-scale data fusion applications for complex ecosystems. The HG-iSpectra-AOS unattended field spectroradiometer system is a comprehensive surface spectral automated observation platform designed for multi-scenario, multi-target, and multi-scale applications. Utilizing continuous VNIR-SWIR (visible, near-infrared, and short-wave infrared) spectroscopy, it delivers long-term, stable, and completely unattended acquisition of surface reflectance spectra. The system is not only ideally suited for monitoring soil, vegetation, water bodies, and crop growth status, but also serves effectively in germplasm identification and crop phenotypic analysis. Concurrently, acting as a critical component for ground truth observations, it provides vital reference data for satellite remote sensing calibration, validation, and inversion model optimization—establishing a robust, integrated data pipeline of "ground observation — model inversion — satellite remote sensing." Built upon an integrated architecture of "multi-source perception + automated observation + intelligent transmission + cloud analytics," the system achieves reliable, long-term continuous automated operation. It supports multi-angle and multi-temporal spectral data acquisition and analysis, continuously accumulating foundational ground spectral datasets to provide dual support for surface ecological processes and remote sensing inversion modeling.

Parameter	Technical Specifications
Spectral Range	350nm - 2500nm (Continuous spectrum)
Spectral Resolution	Better than 3 nm
Spectral Channels	Full continuous visible to near-infrared coverage
Spatial Resolution	≤ 5° Field of View (FOV)
Automated Functions	Unattended automatic measurement, processing, and localized storage
Light Source System	Natural sunlight + automated reference white panel alternation
Operation Mode	Fixed-point, long-term unattended monitoring
Working Environment	Ruggedized for outdoor ecological stations and open agricultural field conditions
Power Requirements	12V / 24V DC, Power consumption ≤ 150W
System Expansion	Supports multi-system integration across remote sensing, agriculture, and ecology frameworks
Customization Ability	Supports custom algorithm integration and application-specific deployment modification

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