High-precision direct positioning method for large hospital patient supervision
A positioning method and high-precision technology, applied in positioning, measuring devices, instruments, etc., can solve the problems of loss of target position information, difficulty in obtaining estimation performance, etc., achieve real-time tracking and positioning, and improve positioning accuracy
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[0038]The invention will now be described in further detail with reference to the drawings.
[0039]Such asfigure 1 The implementation flow chart of the high-precision direct positioning method for the supervision of large hospital patients. In the ward, different locations are arranged in different positions of observation arrays to receive signals from a single patient, and sample the received signal to obtain a received signal matrix; then calculate the extended covariance matrix of the received signal, combined with the direct positioning algorithm and the maximum. The idea of the method, combines all observed arrays to receive signal covariance matrices, build cost functions; finally spectrum search, peak is where the patient's bracelet is in place, wherein the specific steps are:
[0040]Step 1: The observation array arranged in L different positions receives signals from the patient wearing bracelets and samples the received signal:
[0041]Assuming that different patients wear brac...
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