Space-borne plasma antenna generation and emission device and communication method

A plasma antenna and launcher technology, applied in the structural form of radiation elements, etc., can solve the problems of submarine wartime survivability and combat benefit limitations, practical application is still far away, and the antenna equipment is huge, etc., to achieve the best power radiation efficiency, The effect of good stealth characteristics, high maneuverability and flexibility

Active Publication Date: 2014-04-16
BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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Problems solved by technology

However, due to the huge ground-based VLF / ELF antenna equipment, a vast area, and vulnerable to attack, the wartime survivability and combat effectiveness of submarines are greatly limited.
Therefore, in recent years, the world has begun to study the use of tethered satellites to communicate with submarines from space, but this technology is still in the technical research stage and is far from practical application.

Method used

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  • Space-borne plasma antenna generation and emission device and communication method
  • Space-borne plasma antenna generation and emission device and communication method

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Embodiment Construction

[0017] Such as figure 1 As shown, a spaceborne plasma antenna generating and transmitting device includes a discharge tube 1, an electromagnetic coil 2, an antenna 3, a gas chamber 4, an RF power source 5, a VLF / ELF wave feed source 6 and a matching network 7, and the electromagnetic coil 2 Arranged around the discharge tube 1 along its axial direction, the antenna 3 is placed inside the discharge tube 1 and connected to the RF power source 5, the gas chamber 4 supplies working gas to the discharge tube 1, and the VLF / ELF wave feed 6 passes through the matching network 7 is connected with discharge tube 1.

[0018] Among them, the discharge ionization of the working gas is generated in the discharge tube 1; the electromagnetic coil 2 is used to generate a strong magnetic field >600Gauss on the axis of the discharge tube 1, which is a necessary condition for realizing helical wave discharge; the antenna is a Bowswell antenna, which is used to excite m =1 mode helicon wave disc...

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Abstract

The invention relates to a space-borne plasma antenna generation and emission device and a communication method. The device comprises a discharge tube, solenoid coils, an antenna, an air chamber, a radio frequency (RF) power source, a VLF/ELF wave feed source and a matching network. Space-borne plasma antenna submarine communication is used, and super-long plasma jet flows are jetted from a low-orbit satellite to be used as the VLF/ELF transmitting antenna, so that the device has high elusiveness, flexibility and maneuverability, weaknesses of foundation/shore-based submarine communication are prevented, and communication requirements of strategic nuclear submarines are fully met.

Description

technical field [0001] The invention belongs to the field of communication and navigation, in particular to the field of communication and navigation for underwater targets such as submarines. Background technique [0002] Submarines work in seawater. Since seawater is a conductor, electromagnetic waves in general frequency bands cannot penetrate to a sufficient depth underwater due to the effect of adhesion. Traditional submersible communications use VLF / ELF (very low frequency / ultra low frequency) frequency bands, which can reach a depth of tens of meters or more underwater. However, due to the huge ground-based VLF / ELF antenna equipment, the vast area and the vulnerability to attack, the wartime survivability and combat effectiveness of submarines are greatly limited. Therefore, in recent years the world has begun to study the use of tethered satellites to communicate with submarines from space, but this technology is still in the technical research stage and is far from...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/36
Inventor 黄建国田东波易忠张超刘业楠王志浩唐小金
Owner BEIJING INST OF SPACECRAFT ENVIRONMENT ENG
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