Missile-borne SAR echo simulation and imaging method based on LabVIEW

A technology of simulation method and imaging method, which is applied to radio wave measurement systems, instruments, etc., can solve the problems of low execution efficiency and long simulation time

Inactive Publication Date: 2015-03-25
XIDIAN UNIV
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing missile-borne SAR simulation system has shortcomings such as long simulation time and low execution efficiency

Method used

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  • Missile-borne SAR echo simulation and imaging method based on LabVIEW
  • Missile-borne SAR echo simulation and imaging method based on LabVIEW
  • Missile-borne SAR echo simulation and imaging method based on LabVIEW

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Embodiment Construction

[0043] The present invention will be further described below in conjunction with accompanying drawing:

[0044] In the embodiment of the present invention, the simulation method of missile-borne SAR echo based on LabVIEW includes the following steps: input the operating parameters of the synthetic aperture radar on the LabVIEW interface, and utilize the CUDA (Compute Unified Device Architecture) framework to package the process of simulation of missile-borne SAR echo is a DLL function; LabVIEW outputs the operating parameters of the synthetic aperture radar to the library function node, and the library function node calls the DLL function to obtain the echo data of all azimuth time SAR observation scenes.

[0045] Specifically, the LabVIEW interface is responsible for inputting data and displaying results, and setting radar operating parameters, such as the number of sampling points in the range direction, the number of sampling points in the azimuth direction, sampling rate, and...

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Abstract

The invention belongs to the technical field of radar signal processing, and particularly relates to a SAR face echo simulation and missile-borne SAR imaging method based on LabVIEW. The method includes the specific steps that work parameters of a synthetic aperture radar are input in a LabVIEW interface, the missile-borne SAR echo simulation process is encapsulated into a DLL function through a CUDA framework, the work parameters of the synthetic aperture radar are output to a library function node through the LabVIEW, and the library function node calls the DLL function to obtain echo data of all azimuth time SAR observation scenes.

Description

technical field [0001] The invention belongs to the technical field of radar signal processing, in particular to a SAR surface echo simulation and a missile-borne SAR imaging method based on LabVIEW. Background technique [0002] With the development of synthetic aperture radar imaging technology, missile-borne SAR combining synthetic aperture radar (SAR) with precision guidance technology has become a research hotspot in recent years. Since the missile-borne SAR requires high resolution to obtain more target information, the shape and fine structure of the target can be presented more clearly, thereby greatly improving the ability to identify the target and the ability to strike accurately; and in the military, the missile-borne SAR Usually after the investigation is completed, the attack needs to be completed. In order to ensure that the missile has a certain turning maneuver time, the missile-borne SAR generally needs to be imaged under the condition of forward squint. T...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/41
CPCG01S7/4052
Inventor 梁毅邢孟道杜凡刘士杰
Owner XIDIAN UNIV
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