Post-disaster rescue emergency control mode starting method and mobile terminal
A mobile terminal and emergency control technology, which is applied in the field of post-disaster search and rescue, can solve problems such as the inability to effectively detect and activate the emergency control mode of the control signal, and achieve the effects of increasing the probability of being rescued, improving the receiving sensitivity, and prolonging the relevant time
Active Publication Date: 2013-09-11
BEIJING UNIV OF POSTS & TELECOMM
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[0006] Embodiments of the present invention provide a post-disaster search and rescue emergency control mode activation method and a mobile terminal to solve the problem in the prior art that the activation control signal cannot be effectively detected to activate the emergency control mode
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[0036] In the existing post-disaster search and rescue technical solutions, a link needs to be established between the life detector and the mobile terminal before subsequent search and rescue positioning can be performed. The premise of establishing a link is that the mobile terminal must accurately search and receive the information emitted by the life detector The activation control signal activates the emergency control mode. Therefore, how to accurately search and receive the activation control signal with a very low signal-to-noise ratio emitted by the life detector from the noisy background noise is the main concern of the embodiments of the present invention.
[0037] The mobile terminal referred to in the embodiment of the present invention may be a terminal device embedded with relevant functional modules, or may be an improved mobile terminal, and relevant functions may be completed by building relevant modules in the mobile terminal. Make full use of the popularity ...
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The invention discloses a post-disaster rescue emergency control mode starting method and a mobile terminal. The method comprises the following steps of: presetting mutually orthogonal two paths of control signals; receiving activation control signals, and performing related operation on the activation control signals and the two paths of control signals respectively; and when the results of the related operation of the activation control signals and the two paths of control signals are opposite is determined, starting an emergency control mode. By adopting the scheme provided by the invention, the time of starting the emergency control mode can be reasonably judged, furthermore, the algorithm of starting the emergency control mode can be started by judging according to multiple times of related operation results, and the sensitivity of a system is improved. By reasonably prolonging the related time to improve the receiving sensitivity in the embodiment, the probability that the mobile terminal monitors the activation control signals is greatly increased, so that the saved probability of trapped persons is increased.
Description
technical field [0001] The invention relates to the technical field of post-disaster search and rescue, in particular to a method for starting a post-disaster search and rescue emergency control mode and a mobile terminal. Background technique [0002] Natural disasters have the characteristics of instantaneous occurrence, severe damage, difficulty in monitoring and forecasting, and far-reaching social impact. For example, destructive earthquakes, landslides and other disasters have caused huge harm and losses to national economic construction and people's life and property safety. Numerous cases of natural disasters at home and abroad prove that the technical level of post-disaster emergency rescue is extremely important for reducing disaster losses. [0003] At present, our country is still very weak in disaster emergency rescue technology, mainly relying on manpower, search and rescue dogs and life detectors for life detection to find survivors. The detection efficiency ...
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IPC IPC(8): H04W4/22H04W88/02A62B99/00H04W4/90
Inventor 邓中亮余彦培王佳关维国袁协徐连明刘雯
Owner BEIJING UNIV OF POSTS & TELECOMM