Synthetic aperture radar control interface network

A technology of synthetic aperture radar and control interface, applied in bus network, data exchange through path configuration, instruments, etc., can solve the problems of low RS422 transmission data rate, increase hardware overhead, reduce work efficiency, etc., achieve convenient networking, Fast and reliable results

Active Publication Date: 2014-06-25
INST OF ELECTRONICS CHINESE ACAD OF SCI
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  • Claims
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Problems solved by technology

Due to the low data transmission rate of RS422, it takes more than three minutes to perform one of the above tasks using RS422, which reduces work efficiency; if RS422 is not used, but a separate data download interface is used, additional hardware overhead is required
In addition, it is found in practice that when the number of nodes and the distance between nodes change during RS422 networking, the impedance matching of each node needs to be adjusted, otherwise control errors will occur

Method used

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  • Synthetic aperture radar control interface network
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Embodiment Construction

[0023] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the following further describes the present invention in detail with reference to specific embodiments and drawings. It should be noted that, in the drawings or description of the specification, similar or identical parts use the same drawing numbers. The implementations not shown or described in the drawings are those known to those of ordinary skill in the art. In addition, although this article may provide demonstrations of parameters including specific values, it should be understood that the parameters need not be exactly equal to the corresponding values, but can be approximated to the corresponding values ​​within acceptable error tolerances or design constraints.

[0024] The invention provides a new type of synthetic aperture radar control interface network. The synthetic aperture radar control interface network has the advantages of fast response speed and conv...

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Abstract

The invention provides a synthetic aperture radar control interface network which comprises a plurality of control interface nodes and transmission media used for connecting the control interface nodes into a ring topology network. The control interface nodes comprise a main node and a plurality of secondary nodes, wherein the main node adopts a network interface chip as an input and output interface. The main node is used for starting and ending control information data packages. The control information data packages are sequentially transmitted in the control interface nodes of the ring topology network and comprise information sessions corresponding to the secondary nodes. The information sessions comprise control instructions controlling the secondary nodes. The secondary nodes are used for receiving the control information data packages and analyzing the control instructions corresponding to the secondary nodes from the information sessions, corresponding to the secondary nodes, of the control information data packages. The synthetic aperture radar control interface network has the advantages of being high in speed, efficiency and reliability, and enhancing the maintainability.

Description

Technical field [0001] The invention relates to the technical field of transmission and processing of synthetic aperture radar control data, in particular to a new type of synthetic aperture radar control interface network. Background technique [0002] Synthetic aperture radar has achieved considerable development driven by the rapid development of technologies such as materials and manufacturing processes, and new systems and technologies for radar are constantly emerging. At the same time, the radar control interface has also experienced a development process from extensive to intensive. Initially, the interface between the various extensions of the radar was a situation where various interfaces and different levels coexisted. After more than ten years of development, RS422 has been widely used and has become the mainstream interface due to its simplicity, reliability, and networking capabilities. [0003] The development of synthetic aperture radar technology puts forward hig...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/40G06F13/38G01S7/02
Inventor 李和平王岩飞徐向辉韩松朱晨张克功张建龙
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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