| With the continuous development and progress of human society,the survival environment of wildlife is facing increasingly serious threats and challenges.It is very important to study the ecological laws of wild animals for the protection of biological resources,but the lack of effective positioning and tracking means is the biggest obstacle to the research of wildlife protection.High efficiency accurate positioning is the basis of the localization and tracking of wild animals,and it is also the key technology to ensure the monitoring of wildlife behavior.The accurate location information and the continuous collection of regional environmental information are of great significance to the study of the law of wildlife movement and the establishment of the environment information base of the endangered species artificial breeding environment.The key of the wild positioning and tracking technology is how to improve the positioning accuracy and monitor it for a long time.At present,the positioning technology of mature wild animals is mostly based on GPS positioning,while civilian GPS is suitable for large scale positioning,which can not guarantee accuracy in a small range.The development of wireless sensor network and sensor technology provides a new solution for the localization and tracking of wild animals.In this paper,a small range positioning system based on wireless sensor network is designed for the problem of localization and tracking of wild animals,and the hardware and software design of the system is analyzed in detail.The main contents of this paper are as follows:(1)Learning and mastering the relevant knowledge theory of wildlife location tracking and the research status of wireless sensor network and its positioning technology.Under the need of exploring the location and tracking of wild animals,a wild animal location tracking system based on wireless sensor network is designed.(2)The coverage algorithm of wireless sensor network is studied.Based on the background of wild animal location and tracking,a node layout method based on rhombus grid is proposed,and the theoretical deduction is carried out to verify the efficiency of the method.(3)A hybrid location tracking algorithm based on no trace Calman filter and IMM Calman filter is proposed to track the target loss easily when tracking maneuvering target by untracked Calman filter,which effectively improves the tracking performance of maneuvering motion state.(4)According to the design idea of wireless sensor network application,the software and hardware components of wildlife positioning system are designed.The system is tested and analyzed,and the expected design goal is achieved. |