Design And Realization Of Low Energy Payload Data Acquisition System For High Energy Particle Detector Of Electromagnetic Monitoring Test Satellite

Electromagnetic monitoring test satellite is to establish a global space to monitor the electromagnetic field,electromagnetic waves,ionospheric plasma,high energy particles and other physical quantities of space test platform.It uses these platforms to monitor the data,identify the electromagnetic,ionospheric and high energy particle anomalies before the earthquake,and provide new technical means for exploring the earthquake precursor information,the space environment monitoring and forecasting and the earth system scientific research,and establish the electromagnetic monitoring satellite for the future Operational system for technical preparation.The high-energy particle detector is one of the payloads of the electromagnetic monitoring test satellite.The HEPP is composed of low energy load(HEPP-L),high energy load(HEPP-H)and solar X-ray monitor(HEPP-X).The purpose of the highenergy particle detector is to achieve the measurement of the incident direction and energy of the high-energy charged particles,and to coordinate the spatial electromagnetic measurements to find the possible correlation between the change of the space energy particle flux and the electromagnetic radiation caused by the earthquake.The HEPP-L data acquisition system is an important part of the high-energy particle detector.It is connected to the data management system via a cable,which requires the acquisition,conversion and processing of low energy proton and electronically generated instances and sends the processed data to the data management system,and it requires high voltage,current and temperature And then send the monitored data to the data management system,and it needs to execute the instructions sent by the data management system.This paper mainly studies the data acquisition system of HEPP-L.Firstly,the design of the detector is introduced from the circuit diagram of the telescope unit,the anticoincidence detector unit and the collimating unit,and then the hardware design of the system is introduced from various circuit schematics.The design of the FPGA software is introduced from the software requirements and software detailed design.Finally,Hardware and software were tested to verify the function and performance of the device.This paper introduces the design and implementation of HEPP-L data acquisition system,including:1.In the detector design section,the structure,function and related indexes of the silicon detector and the anti-coincidence detector are mainly described;2.In the hardware design part,the division of each function module is completed.For these function modules,the principle of each function module and the function and performance of each chip are described in detail;3.In the software design part,first introduced the software function requirements,performance requirements and reliability requirements,and then for these needs to complete the software function modules of the division and details of the functional modules of the design;4.In the system test part,mainly on the hardware and software testing,hardware testing is mainly on the four circuit board functional modules and performance requirements for testing,the software part of the FPGA software is mainly to achieve the three functions to test.