High voltage is provided by High Voltage Unit (HVU) to guarantee the normal working of the Particle Radiation Detector (PRD), which is on board the China-Brazil Earth Resource Satellite (CBERS).

• 摘要中巴资源卫星上的星内粒子辐射探测器的探头必须要工作在稳定，高信噪比的直流高压电源下。事实证明，安装在中巴资源-1和中巴资源-2卫星上的探测器高压单元能够保证整个探测器的正常运行。