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Passive type moving target track mapping method based on compressed sensing

A target trajectory and compressive sensing technology, which is used in location-based services, electrical components, wireless communications, etc., can solve the problem of wasting energy and resources, and achieve the effects of reducing energy consumption, high reconstruction accuracy, and high mapping accuracy.

Active Publication Date: 2015-01-07
NORTHWEST UNIV
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Problems solved by technology

The above three types of methods are all for the division of small-scale scene areas. For large-scale scenes (such as the living environment of wild animals), it is bound to waste a lot of energy and resources to use this division method of fixed value attempts

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  • Passive type moving target track mapping method based on compressed sensing
  • Passive type moving target track mapping method based on compressed sensing
  • Passive type moving target track mapping method based on compressed sensing

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Embodiment Construction

[0067] In wildlife protection, in order to study the activity rules of wild animals in the wild environment, the applicant needs to obtain the movement track information of wild animals in the wild area. Therefore, a wireless sensor network based passive target track mapping method based on compressed sensing is proposed. , the basic idea of ​​this method is: (1) design a network sparse deployment scheme to achieve the purpose of reducing the number of network nodes and reducing network energy consumption, (2) establish a target trajectory mapping model based on compressed sensing; the target trajectory information Modeling and representation, constructing perception matrix and compressed sensing expression, performing orthogonal preprocessing on observation data and sensing matrix, obtaining target trajectory information through compressed sensing decompression algorithm, (3) adaptive matching pursuit (AMP) sparse recovery algorithm : Accurately restore the sparse signal when ...

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Abstract

The invention discloses a passive type moving target track mapping method based on compressed sensing. The method comprises the steps that firstly, a wireless sensor network is deployed and configured; secondly, a target tracking model is established; thirdly, a moving object is tracked; fourthly, the target track vector is solved. The advantage of the compressed sensing in the aspect of sparse recovery is utilized, the track of the target is accurately mapped only through a small number of observation data, mapping is finished only through one-time calculation, and the problem that due to frequent positioning in an existing algorithm, calculating expenditure is high is avoided. The moving target track mapping method is very suitable for tracking the track of targets in large-scale scenes where wild animals live, and high-precision target track mapping can be achieved.

Description

technical field [0001] The invention belongs to the application technical field of wireless networks, and in particular relates to a wireless sensor network passive moving target track surveying and mapping method based on compressed sensing. The method is applied to passive target tracking of wild animal wireless sensor networks. Background technique [0002] Wild animals have important ecological status and ecological functions in nature, and are one of the indispensable links in the entire ecological chain. How to effectively monitor and protect them is particularly important. Traditional wild animal protection uses manual recording and statistics. Therefore, the traditional method has many disadvantages, such as: lack of long-term and real-time performance, and also has certain difficulties and dangers. Comprehensive analysis of time, space and phenomena. The emergence of wireless sensor networks provides technical support for solving the above problems. [0003] The w...

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Application Information

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IPC IPC(8): H04W4/02H04W64/00H04W84/18
CPCH04W4/029H04W84/18
Inventor 房鼎益王举汤战勇寇迦南常俪琼陈晓江刘晨聂卫科邢天璋任宇辉
Owner NORTHWEST UNIV
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