A real-time positioning method and device
A technology of time and time difference, applied in the field of positioning, can solve the problems of small tracking area, low data refresh rate, and inability to guarantee data refresh rate, so as to achieve the effect of reducing time and improving refresh rate
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Embodiment 1
[0028] Such as figure 1 As shown, the embodiment of the present invention provides a real-time positioning method, including:
[0029] Step 101: Obtain the first synchronous scanning signal transmitted by at least two transmitters simultaneously, the X-direction scanning signal transmitted by at least two transmitters simultaneously, and the second synchronous scanning signal transmitted by at least two transmitters simultaneously, which are sequentially received by the preset receiver. The synchronous scanning signal and the Y-direction scanning signal simultaneously transmitted by at least two emitters.
[0030] In this embodiment, the first synchronous scanning signal, the X-direction scanning signal, the second synchronous scanning signal and the Y-direction scanning signal can all be received by the receiver, and the signal waveform diagram of the receiver can be as follows figure 2 shown. Specifically, when real-time positioning is required, at first the built-in infr...
Embodiment 2
[0047] Such as image 3 As shown, the embodiment of the present invention provides a real-time positioning method, including:
[0048] Step 301, acquire initial signals transmitted simultaneously by at least two transmitters received by a preset receiver, and identification signals transmitted by each transmitter at a preset time interval after transmitting the initial signal.
[0049] In this embodiment, for the convenience of identifying the transmitters, the time intervals between the identification signal and the initial signal are different for each transmitter. In particular, an initial time interval Δt may be preset, and the identifier of each transmitter is multiplied by the initial time interval Δt as the time interval of each transmitter.
[0050] Step 302, acquiring the first synchronous scanning signal, the X-direction scanning signal, the second synchronous scanning signal and the Y-direction scanning signal. The process is related to figure 1 The shown step 10...
Embodiment 3
[0063] Such as Figure 5 As shown, the embodiment of the present invention provides a real-time positioning device, including:
[0064] The signal acquisition unit 501 is configured to acquire the first synchronous scanning signal simultaneously transmitted by at least two transmitters, the X-direction scanning signal simultaneously transmitted by the at least two transmitters, the at least two The second synchronous scanning signal transmitted by two transmitters and the Y-direction scanning signal transmitted by the at least two transmitters simultaneously;
[0065] The abscissa acquisition unit 502 is connected to the signal acquisition unit, and is used to acquire the receiver in the at least two The image abscissa collection in the launcher;
[0066] The ordinate acquisition unit 503 is connected to the signal acquisition unit, and is used to acquire the receiver in the at least two The collection of image ordinates in the emitter;
[0067] An image coordinate acquisi...
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