Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Location method of non-cooperative target in passive location system based on cellular mobile base station

A non-cooperative target, cellular mobile technology, applied in the field of space target positioning, to achieve the effects of good real-time performance, high positioning accuracy, and simple input values

Active Publication Date: 2016-09-07
重庆九洲星熠导航设备有限公司
View PDF2 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The main disadvantage of this method is that it is necessary to set an initial value with little deviation from the actual position to ensure the convergence of the iterative operation

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Location method of non-cooperative target in passive location system based on cellular mobile base station
  • Location method of non-cooperative target in passive location system based on cellular mobile base station
  • Location method of non-cooperative target in passive location system based on cellular mobile base station

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0019] Example: see figure 1 As shown, at least four signal detection devices are arranged in the area covered by the cellular mobile base station signal according to a certain geometric distribution, and the positions of each detection device are measured (X i , Y i ,Z i ) and the location of the cellular mobile base station (X 0 , Y 0 ,Z 0 ). When a target enters the detection area, the reflected signal of the target to the cellular mobile base station and the direct signal of the base station are received by each detection device at the same time, and the detection device measures the time difference of arrival TDOA of the two signals i , let the propagation velocity of the electromagnetic wave be c, and the position to be determined of the target be (x, y, z). Order R i，1 Indicates the distance difference between the target and the receiving station i and receiving station 1, then

[0020] R ...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention relates to a non-cooperative target positioning method in a passive positioning system based on cellular mobile base stations. It mainly includes: arranging at least four signal detection equipment in the signal coverage area of ​​the cellular mobile base station, receiving the direct signal of the base station and the reflected signal of the target to the base station, determining the time difference between the reflected signal and the direct signal arriving at each detection equipment, by The location of the various reconnaissance devices, the location of the cellular base station, and the speed of signal propagation ultimately determine the location of the target. The invention has the advantages of simple input value of the formula for calculating the target position, high positioning accuracy and good real-time performance. The method of the present invention can also be conveniently applied to other similar positioning problems.

Description

technical field [0001] The invention relates to the technical field of space target positioning, in particular to a non-cooperative target positioning method in a passive positioning system based on cellular mobile base stations. Background technique [0002] The passive positioning system adopts dual (multi-base) radar technology based on radio communication and propagation, and the transmitter and signal detection equipment are respectively set in different places, which has the comprehensive functions of anti-jamming, anti-anti-radiation missile, anti-low-altitude penetration and anti-stealth "Four resistance" potential. Using cellular mobile base stations as external radiation sources not only saves energy, reduces electromagnetic pollution, but also solves the concealment of dual (multi-base) radar systems. [0003] Passive positioning methods can be divided into azimuth positioning method, time difference positioning method, Doppler frequency difference positioning me...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): H04W4/02H04W56/00H04W64/00
Inventor 张继宏
Owner 重庆九洲星熠导航设备有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com