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Radar signal synchronization system

A technology of synchronization system and radar signal, applied in the field of radar communication, can solve the problem of high network construction cost, achieve the effect of ensuring delay synchronization, saving network construction cost, and improving the limited distance of network points

Inactive Publication Date: 2018-06-08
郑州微纳科技有限公司
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Problems solved by technology

[0002] At present, the radar arrays used in military reconnaissance can generate radar waves through the radar matrix, actively search for targets, and have strong search capabilities. However, due to strict requirements on the distance between each radar site, the density between the radar arrays is required to be large enough , at the same time, source synchronization equipment is required, so the cost of network construction is very high

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Embodiment Construction

[0020] In order to describe the technical content, achieved goals and effects of the present invention in detail, the following descriptions will be made in conjunction with the embodiments and accompanying drawings.

[0021] The synchronization principle of the radar signal synchronization system of the present invention is as follows: one is that the site allocation can be carried out by adjusting the optical fiber lengths of sites with different distances, which is conducive to improving the traditional single-frequency site. The distance is limited and the site density is large; Through the automatic delay adjustment function of this system, the delay synchronization of multiple signal transmission devices can be effectively guaranteed; in addition, with this optical fiber transmission system, only one source synchronization device needs to be configured in the radar room, and the traditional transmission system does not need to Configuring source synchronization equipment ...

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Abstract

The invention discloses a radar signal synchronization system comprising a host device and at least one slave device. After filtering a signal source, the host device performs down-conversion processing to obtain an intermediate-frequency signal; conversion is carried out to obtain a zero-frequency signal; after digitization processing, an optical signal processing unit of the host carries out conversion to obtain an optical signal; the optical signal is transmitted to the slave device through a fiber; and the slave device receives the optical signal, carries out the reverse operation, and then sends the processed signal to a transmitting system for external transmission. After processing by the host device and the slave device, delay synchronization of multiple devices is ensured effectively; the networking cost is saved; and a defect of restriction by the website distance is overcome by the fiber transmission.

Description

technical field [0001] The invention relates to the technical field of radar communication, in particular to a radar signal synchronization system. Background technique [0002] At present, the radar arrays used in military reconnaissance can generate radar waves through the radar matrix, actively search for targets, and have strong search capabilities. However, due to strict requirements on the distance between each radar site, the density between the radar arrays is required to be large enough , and need source synchronization equipment at the same time, so the network construction cost is very high. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a radar signal synchronization system that uses optical fiber signal transmission, which can improve the disadvantage of limited distance between network points, and effectively ensure the time delay synchronization of multiple devices, saving network construction cos...

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Application Information

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IPC IPC(8): H04J3/06
CPCH04J3/0638
Inventor 苑红晓龙戈农李卫校袁志巍
Owner 郑州微纳科技有限公司
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