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Device for measuring electromagnetic pulses generated by spacecraft electrostatic discharge

An electrostatic discharge and electromagnetic pulse technology, applied in the field of testing, can solve the problems of sensitive cable discharge pulse amplitude and wide discharge spectrum range, complex coupling characteristics of discharge pulse and satellite, complex and diverse satellite electrostatic discharge, etc., to achieve light weight and high performance. The effect of low power consumption and narrow pulse width

Inactive Publication Date: 2016-11-02
LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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Problems solved by technology

[0002] Due to the complexity of the satellite system and the different electrification conditions of each satellite, the electrostatic discharge of the satellite is complex and diverse, and the randomness is large. The coupling characteristics of the discharge pulse and the satellite are also extremely complicated, and the range of the discharge pulse coupled to the sensitive cable and the discharge spectrum range are very wide.

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  • Device for measuring electromagnetic pulses generated by spacecraft electrostatic discharge
  • Device for measuring electromagnetic pulses generated by spacecraft electrostatic discharge

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Embodiment Construction

[0015] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0016] Such as figure 1 As shown, a device for measuring electromagnetic pulses generated by electrostatic discharge of spacecraft includes a monopole antenna 1 and an electronic control unit 2, and the monopole antenna 1 transmits the sensed transient electric field pulse signal to the electronic control unit 2 through a cable , the power supply control unit 2 collects, processes and stores valid data and transmits it to the ground for analysis.

[0017] The electronic control unit 2 includes: a pulse signal conditioning module 3, a secondary power supply module 4, a control module 5, and a commu...

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Abstract

The invention provides a device for measuring electromagnetic pulses generated by spacecraft electrostatic discharge. The device comprises a monopole antenna and an electrical control unit. The monopole antenna transmits sensed transient electric field pulse signals to the electrical control unit through a cable to be acquired and processed by the electrical control unit and effective data are stored and then transmitted to the ground to be analyzed. Compared with the devices in the prior art, on-orbit in-situ measurement of the electromagnetic pulses generated by spacecraft electrostatic discharge can be realized by adopting the mode of combination of the monopole antenna and the electrical control unit; and the device for measuring the electromagnetic pulses generated by on-orbit spacecraft electrostatic discharge and the method thereof can realize measurement of narrow pulse width and high-amplitude discharge pulses, and the whole device has the characteristics of small data volume, low power consumption and low weight.

Description

technical field [0001] The invention relates to the technical field of testing, in particular to a device for measuring electromagnetic pulses generated by electrostatic discharge of spacecraft. Background technique [0002] Due to the complexity of the satellite system and the different charging conditions of each satellite, the electrostatic discharge of the satellite is complex and diverse, and the randomness is large. The coupling characteristics of the discharge pulse and the satellite are also extremely complicated. The range of the discharge pulse and the discharge spectrum coupled to the sensitive cable is very wide. The transient electric field pulse signal generated by electrostatic discharge is a single signal. The amplitude and size of the pulse are related to the intensity of the discharge, and the width of the pulse is related to the duration of the discharge, generally ranging from tens of ns to several μs. [0003] Considering that recording a complete wavefo...

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Application Information

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IPC IPC(8): G01R29/00
CPCG01R29/00
Inventor 李存惠薛玉雄马少君安恒杨生胜
Owner LANZHOU INST OF PHYSICS CHINESE ACADEMY OF SPACE TECH
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