A Wireless Unbound Human Behavior Detection Algorithm
A detection algorithm and human body technology, applied in computing, computer components, instruments, etc., can solve the problems that the system does not have the ability to analyze complex body behaviors, the recognition accuracy and practical limitations, and the convenience of use cannot be satisfied, so as to achieve convenience Deployment, meet the convenience and security, and improve the effect of recognition accuracy
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[0028] The present invention will be further explained below in conjunction with specific embodiments and accompanying drawings.
[0029] The present invention utilizes the different changing features generated by the wifi channel when the user moves in the wifi field or performs certain actions, and uses feature extraction and classification matching algorithms to perform behavior recognition, specifically including the following steps:
[0030] Step 1, see figure 1 , system deployment and model initialization:
[0031] 1. Deploy two wireless routers indoors, one for wifi signal transmission and one for wifi signal reception;
[0032] 2. Turn on two wireless routers at the same time, one transmits signal waveform X, and the other receives signal waveform Y, then the ratio of Y to X is the CSI in a static environment, and the value is a complex number;
[0033] 3. Draw the CSI phase angle timing waveform diagram. If the waveform fluctuation range is less than 0.2dBm, the wav...
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