XST-SpectralNet 多角度全自动高光谱仪
Long-term automated monitoring of spectral reflectance of features:High precision, low power consumption, built-in temperature control module, adapt to the field environment
光谱测量与地表参数计算一体化：内置植被参数计算模型，自动完成关键生态参数实时输出
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
Product Overview
光谱数据是遥感信息反演的基础数据源。XST-SpectralNet多角度全自动高光谱仪为实现全天候高光谱数据的自动测量提供了低成本、高效率的测量方式，可以应用于长时间序列光谱数据获取与生态环境变量监测。
Product Features
直接测量参数：高光谱原始数据、光谱反射率数据、归一化植被指数（NDVI）、红边指数（REI）、叶片光化学指数（PRI）、光合有效辐（PAR）
模拟计算参数：叶绿素/类胡萝卜素指数（CCI）、土壤水分（依使用场景）
支持定制：用户可提供参数、多种计算模型，我们实现模块嵌入自动计算
Application Areas
The field of plant physiology:提高陆面植被光合作用过程模型中重要参数的长期连续监测能力，提高光合作用描述的准确度，支撑发展陆面冠层辐射机理参数化方案。
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.
Technical Parameters
Effective spectral range | 350nm-1020nm（可定制350~2500nm) |
spectral resolution | 1nm（可定制） |
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 | adoptionSpectralon材料，抗紫外线(math.) genus进行自动校准 |
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 phones实时显示，可选择数据下载 |
光合有效辐射 | 内置光合有效辐射（PAR）计算模块，实时输出PAR计算值 |
遥感模型软件 | internally installedPROSAIL模型，可实时反演冠层、叶片各种parameters |
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 |
运行功耗 | General state power consumption24WPeak power consumption of approx.60W(350~2500nm波长款需增加5W功耗）；可配时控开关夜间休眠 |
Power failure restart function | Supports forced power off and power on reboot to avoid accidental power off resulting in device failure to start up |