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Moving target detection method, electronic device and storage medium

A moving target detection and moving target technology, applied in the field of radar signals, can solve the problems of high cost and high performance requirements of the flight platform, and achieve the effect of reducing false alarms and speeding up

Active Publication Date: 2019-04-05
INST OF ELECTRONICS CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The complex hardware structure of the multi-channel technology makes the cost of the moving target high, and at the same time requires high performance of the flight platform

Method used

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  • Moving target detection method, electronic device and storage medium
  • Moving target detection method, electronic device and storage medium
  • Moving target detection method, electronic device and storage medium

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Embodiment Construction

[0020] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described The embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.

[0021] see figure 1 , figure 1 It is a schematic flow chart of the moving object detection method provided in the first embodiment of the present invention, and the method can be applied in electronic devices, and the electronic devices include: mobile phones, tablet computers (Portable Android Device, PAD), notebook computers and personal d...

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Abstract

The invention discloses a moving target detection method, an electronic device and a storage medium. The moving target detection method, the electronic device and the storage medium are applied to thetechnical field of radar signals. An image domain moving target detection method is provided for a single-channel satellite-borne synthetic aperture radar (SAR) bunching mode, the satellite-borne SARlong-term observation and the characteristics of movement of a moving target signal in a sub-aperture image sequence are fully utilized, the speed of the moving target detection method is higher thanthat of an existing single-channel iterative detection algorithm, the position of a moving target on an SAR image can be automatically acquired, through the clutter image difference, a DBSCAN and a Kalman tracking algorithm are improved to effectively reduce false alarms, no raw data is required, only single look complex images are input, and no raw SAR echo data is required.

Description

technical field [0001] The invention relates to the technical field of radar signals, in particular to a moving target detection method, electronic equipment and a storage medium. Background technique [0002] Synthetic Aperture Radar (SAR) is an active microwave remote sensing method with all-weather and all-weather earth observation capabilities. Ground moving target detection (GMTI), as an important part of traffic supervision and battlefield surveillance, is related to all aspects of national economy, people's livelihood and national defense security. Therefore, SAR GMTI has attracted a lot of attention. [0003] SAR moving target detection algorithms can be divided into two types: single-channel and multi-channel. The single-channel algorithm mainly uses the Doppler shift and defocus characteristics of the moving target signal to detect the moving target. For example, the classic frequency domain filtering method can detect relatively fast targets by using the charac...

Claims

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Application Information

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IPC IPC(8): G01S13/90G01S13/58G01S7/292G01S7/35
CPCG01S7/2923G01S7/354G01S13/58G01S13/90G01S13/9029G01S13/9052
Inventor 洪文申文杰林赟
Owner INST OF ELECTRONICS CHINESE ACAD OF SCI
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