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Phase coding waveform group optimization design method and device, equipment and medium

A technology of phase encoding and optimized design, which is applied in the field of radar detection, can solve the problems that the waveform Doppler tolerance cannot be effectively improved, and achieve the goal of improving the Doppler tolerance, wide application range, and high waveform Doppler tolerance Effect

Pending Publication Date: 2021-12-24
NAT UNIV OF DEFENSE TECH
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Problems solved by technology

However, in the process of realizing the present invention, the inventors found that the aforementioned traditional waveform group design method has the technical problem of being unable to effectively improve the Doppler tolerance of the waveform while maintaining good correlation performance.

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  • Phase coding waveform group optimization design method and device, equipment and medium
  • Phase coding waveform group optimization design method and device, equipment and medium
  • Phase coding waveform group optimization design method and device, equipment and medium

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Embodiment Construction

[0032] In order to make the purpose, technical solution and advantages of the present application clearer, the present application 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 application, and are not intended to limit the present application.

[0033] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the application are only for the purpose of describing specific embodiments, and are not intended to limit the application.

[0034] In addition, the technical solutions of the various embodiments of the present invention can be combined with each other, but it must be based on the realization of those skilled in the art. W...

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Abstract

The invention relates to a phase coding waveform group optimization design method and device, equipment and a medium. The method comprises the steps of: determining the code length of a to-be-designed phase coding waveform according to the maximum transmission signal duration and transmission signal bandwidth of a system; determining a normalized Doppler frequency interval according to a detection target speed interval and carrier frequency; taking a phase coding sequence of the phase coding waveform as a design variable, and constructing an optimization model of the phase coding waveform according to constraint conditions corresponding to the code length, the normalized Doppler frequency interval and design demand; and solving the optimization model by using a model solver to obtain an optimized phase coding waveform with the code length. With the phase coding waveform group optimization design method and device adopted, the Doppler tolerance of the waveform under the condition that the coded waveform keeps good related performance is achieved. The method and device have the advantages of wider application range, higher waveform Doppler tolerance, low sidelobe level, optimized distance and settable speed interval.

Description

technical field [0001] The present application relates to the technical field of radar detection, in particular to an optimal design method, device, equipment and medium of a phase encoding waveform group. Background technique [0002] Orthogonal sequence groups with good auto-correlation performance and cross-correlation performance have broad application prospects in multi-channel radar and communication systems. The reason is that when the waveform sequence has good autocorrelation sidelobes, the detection performance, synchronization performance and power control of the system for weak targets can be improved. In addition, when the waveform sequence has low cross-correlation sidelobes, the system's clutter suppression, parameter identification, and user discrimination performance can be improved. [0003] The current waveform design method aims at reducing the peak sidelobe ratio or integral sidelobe ratio of the correlation function. It is difficult to optimize the des...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/41
CPCG01S7/415Y02D30/70
Inventor 王福来庞晨王雪松李永祯封斯嘉王占领殷加鹏李楠君
Owner NAT UNIV OF DEFENSE TECH
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