XST-SpectralNet Multi-Angle Fully Automated Hyperspectrometer

Vegetation Coverage Meter

Long-term automated monitoring of spectral reflectance of features:High precision, low power consumption, built-in temperature control module, adapt to the field environment

Integration of spectral measurements with surface parameter calculations:Built-in vegetation parameter calculation model, automatic completion of key ecological parameters real-time output

Cloud-based platform for data visualization:Visualization of real-time measured and synchronized calculated parameters

Multi-target detection function:Built-in automatic optical path switching module, realizing multi-target and multi-angle detection with one machine.

Browser-based interface:View and modify parameters at any time, support manual measurement, view and download data

Easy field commissioning and maintenance:Software configuration, debugging can realize remote network operation

Multiple data correction modules:Darkroom integrating sphere calibration, radiometric correction, spectral correction and dark current correction

Through the national research unit testing center testing, the national key laboratory regular data calibration benchmark machine

Spectral data is the basic data source for remote sensing information inversion, and the XST-SpectralNet Multi-Angle Fully Automated Hyperspectrometer (MAGHAS) provides a low-cost and high-efficiency measurement method for realizing the automatic measurement of all-weather hyperspectral data, which can be applied to the acquisition of long-time series of spectral data and monitoring of ecological and environmental variables.

Direct measurement of parameters: hyperspectral raw data, spectral reflectance data, normalized vegetation index (NDVI), red edge index (REI), leaf photochemical index (PRI), photosynthetically active radiation (PAR)

Simulation parameters:: Chlorophyll/carotenoid index (CCI), soil moisture (depending on use scenario)

Support customization: Users can provide parameters, multiple computational models, we realize the module embedded automatic computation

The field of plant physiology:To improve the ability to continuously monitor important parameters in models of photosynthetic processes in land surface vegetation over long periods of time, to improve the accuracy of photosynthesis descriptions, and to support the development of a parameterization scheme for radiation mechanisms in land surface canopies.

The field of plant ecology:Provide refined real-time photosynthetic energy allocation parameters to provide time-series site data for evaluating ecological effects and conducting day-by-day and regional-scale carbon predictions to help the dual-carbon goal.

The field of land remote sensing:It has the ability to support the assimilation of real-time data on the growth process of land surface vegetation and remote sensing observation, to provide network nodes for regional networking observation, and to support the ground validation of remote sensing observation data, including those from China's carbon satellites.

Effective spectral range

350nm-1020nm(Customizable)350~2500nm)

spectral resolution

1nm(customizable)

Spectral sampling interval

0.3nm

signal-to-noise ratio

400:1

dynamic range

5000

Refrigeration and Temperature Control

Spectrometer with separate thermostat compartment.Dual cooling modeAdoptionTECSemi-conductivity and wind cooling

wavelength calibration

adoptionHgLamps, utilizing 9 Point calibration to maximize wavelength accuracy

Stray light range

0.06% @ 710 nm; 0.3% @ 435 nm

cosine receiver

adoptionSpectralonMaterial, UV resistant(math.) genusPerform automatic calibration

Points time

Automatic optimization of points time, customizable points time, theoretical range0.2ms~65s

Number of input channels

standard equipment2optical fiber(1incidence and1(Reflections)Maximum support8optical fiber(1incidence and7(Reflections)

optical field of view

incidence180°, reflection25°

system control

mayBrowser-based.Computers, cell phonesView modifications to device parameters (e.g., measurement time and frequency)

spectral measurement

mayBrowser-based.Computers, cell phonesInterrupts automatic measurement and enters manual measurement mode

Spectral data visualization

mayBrowser-based, measured resultsComputers, cell phonesReal-time display with optional data download

photosynthetically active radiation

Built-in photosynthetically active radiation (PAR) Calculation module with real-time outputPARcalculated value

Remote sensing modeling software

internally installedPROSAILmodeling, which allows real-time inversion of canopy, leafvarious kindsparameters

Data management software

Raw data and model calculationsSave locally and send to the cloud at the same time(Connection routing)

data transmission

Support network port to connect router for wireless transmission; supportpass (a bill or inspection etc)RS485Serial Local Output

(of a computer) runpower wastage

General state power consumption24WPeak power consumption of approx.60W(350~2500nmWavelength models need to be increased5W(power consumption); can be equipped with a time switch night sleep

Power failure restart function

Supports forced power off and power on reboot to avoid accidental power off resulting in device failure to start up

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