Transient Electromagnetic Data Acquisition System Based on Wireless Sensor Network
A wireless sensor and transient electromagnetic technology, applied in the field of geophysical exploration science, can solve the problems of less data, low precision, low measurement efficiency, etc., achieve low power consumption, improve work efficiency, and facilitate maintenance and replacement
Inactive Publication Date: 2016-03-16
CHINA UNIV OF GEOSCIENCES (WUHAN)
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[0005] Aiming at the shortcomings of existing transient electromagnetic detection instruments, such as low measurement efficiency, small amount of data, low precision, and only single-channel reception, the present invention provides a wireless sensor network-based multi-point acquisition with flexible networking Distributed Transient Electromagnetic Data Acquisition System and Method
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[0049] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention.
[0050] The embodiment of the present invention is a distributed transient electromagnetic data acquisition system based on a wireless sensor network, such as figure 1 As shown, the system includes a terminal collection node, a router node, and a gateway node. The three nodes form a wireless sensor network; in an embodiment of the present invention, the communication frequency selects the global free wireless frequency band-2.4G frequency band, which is specifically adopted Zigbee technology builds a wireless sensor network. Zigbee wireless communication technology, as the communication organiza...
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The invention discloses a transient electromagnetic data acquisition system and method based on a wireless sensor network. The system comprises terminal acquisition nodes, router nodes and a gateway node, wherein a wireless sensor network is formed among the three nodes; the gateway node is connected with an industrial personal computer and receives an instruction of the industrial personal computer and transmits a data acquisition instruction to the terminal acquisition nodes through the wireless sensor network; the terminal acquisition nodes acquire transient electromagnetic data in monitoring areas according to the data acquisition instruction, converts the transient electromagnetic data into digital signals and transmits the digital signals to the gateway node in a data packet form through the wireless sensor network. The distributed transient electromagnetic data acquisition system based on the wireless sensor network has high surveying accuracy, a connecting line between each two nodes is omitted, field operation is convenient, the working efficiency is improved, and the nodes adopt a modular design and are convenient to maintain and replace.
Description
Technical field [0001] The invention relates to the field of geophysical detection science and technology, in particular to a transient electromagnetic data acquisition system and method based on a wireless sensor network. Background technique [0002] Transient electromagnetic detection technology is a commonly used geophysical detection technology, which is widely used in resource exploration, geological structure detection, environmental investigation and monitoring, reservoir basement and dam site crack exploration, etc. It has played an important role in the field of geophysical detection instrument technology. Alternative role. [0003] Traditional transient electromagnetic detection uses single-channel emission and single-channel reception. In order to enhance the signal-to-noise ratio and improve the acquisition accuracy, the time-domain superposition method is usually used, that is, the collected electromagnetic signals are periodically superimposed and then averaged To e...
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IPC IPC(8): G08C17/02H04L29/08H04W84/18
Inventor 王广君张怀张鹏锴曾旭明鲍卫岗冀连杰邹琴郝玉君
Owner CHINA UNIV OF GEOSCIENCES (WUHAN)