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A multi-channel anti-jamming and anti-aliasing pulse sequence decoding method

A technology of pulse sequence and decoding method, which is applied in the field of identification friend or foe, can solve the problems of poor confidentiality performance, signal crosstalk and confusion, easy to be used and deceived, and achieve the effect of improving security

Active Publication Date: 2017-10-20
四川九洲空管科技有限责任公司
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Problems solved by technology

[0003] The existing IFF system has defects such as serious signal crosstalk and confusion, poor confidentiality performance, and easy to be used and deceived. In order to enhance the anti-interference, security and confidentiality of the IFF system, it is necessary to propose an advanced IFF system with encryption mode

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Embodiment Construction

[0052] All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and / or steps.

[0053] Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

[0054] Relevant description of this patent:

[0055] 1. Set the amplitude information conditions for actual multi-channel selection, such as the maximum amplitude information.

[0056] 2. The standard distances p12, p23, p34, p45 and p56 between two adjacent pulse groups of pulse sequence groups MP1, MP2, MP3, MP4, MP5 and MP6 are fixed values. p12 represents the standard distance between the first pulse sequence group and the second pulse s...

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Abstract

The invention relates to the technology of identifying friend or foe, in particular to a multi-channel effective anti-jamming and anti-aliasing pulse sequence decoding method for advanced identification of friend or foe based on encryption mode. Aiming at the problems existing in the prior art, the present invention provides a multi-channel highly effective anti-jamming and anti-aliasing pulse sequence decoding method, which is aimed at complex electromagnetic environments according to the position interval and tolerance range between standard pulse sequences The multipath phenomenon generated by pulse sequence propagation and the modern information against the malicious signal interference of China and Africa can play an obvious anti-aliasing and anti-jamming effect, greatly improve the correct decoding rate, and effectively guarantee the security and reliability of the system sex. The present invention establishes the basic window and the actual sliding window model, compares all the input pulse sequences with the sliding window model, and obtains qualified pulses, and further selects the relevant parameters of the maximum amplitude value to obtain the final pulse sequence to achieve This design requires.

Description

technical field [0001] The invention relates to the technology of identifying friend or foe, in particular to a multi-channel effective anti-jamming and anti-aliasing pulse sequence decoding method for advanced identification of friend or foe based on encryption mode. Background technique [0002] Identification of friend or foe is one of the important means of military confrontation in the modern information battlefield. It can greatly enhance the accuracy of combat command and control and the coordination between various combat units, significantly speed up the system response speed, and reduce the probability of fratricide. It is especially suitable for Multi-arms combined combat use. With the unprecedented improvement of weapon strike accuracy and the continuous enhancement of destructive power in modern warfare, the military of various countries pays more and more attention to the development of identification friend or foe system. [0003] The existing IFF system has ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H03M13/47
Inventor 余林李宏张炼董静霆
Owner 四川九洲空管科技有限责任公司
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