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Synchronizing signal processing method and device

A technology for synchronizing signals and processing methods, applied in the directions of synchronizing devices, digital transmission systems, electrical components, etc., can solve the problems affecting the positioning accuracy of the signal receiving device, and achieve the effect of improving the transmission and guaranteeing the cycle.

Active Publication Date: 2019-10-22
北京凌宇世纪信息科技有限公司
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Problems solved by technology

Therefore, the accuracy of the synchronization signal sent by the signal sending device to the signal receiving device will affect the positioning accuracy of the signal receiving device

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  • Synchronizing signal processing method and device
  • Synchronizing signal processing method and device
  • Synchronizing signal processing method and device

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Embodiment Construction

[0058] The technical content of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0059] The signal sending device sends a synchronization signal (synchronous interruption signal) to the signal receiving device through wireless transmission. Due to the synchronization signal sent by the sending device, there will be a delay until the signal receiving device receives the synchronization signal. Therefore, in order for the signal receiving device to receive The delay to the synchronization signal is within the preset fluctuation range, that is, the phase of the synchronization signal received by the signal receiving device (the receiving moment of the synchronization signal) is aligned with the phase of the signal sending device (the signal sending device starts timing from transmitting the synchronization signal to the signal receiving The time when the synchronization signal is received by t...

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Abstract

The invention discloses a synchronizing signal processing method and device. The synchronizing signal processing method comprises the following steps: adjusting the period time based on a PID algorithm according to the phase of a synchronizing signal detected by a signal receiving device to obtain the initial period time of a signal receiving device; according to the obtained preliminary period time, collecting the offset of the preliminary period time of a continuous preset number of periods, and obtaining the accurate period time of the signal receiving device; and rounding the obtained accurate period time to serve as the actual period time of the signal receiving device, and performing dynamic adjustment according to a preset fluctuation range. According to the invention, the phase ofthe signal receiving device is consistent with the phase of the signal sending device, and the accuracy of sending the synchronizing signal to the signal receiving device by the signal sending deviceand the positioning accuracy of the signal receiving device are improved.

Description

technical field [0001] The invention relates to a synchronous signal processing method, in particular to a synchronous signal processing method for three-dimensional space positioning, and also to a device for realizing the synchronous signal processing method. Background technique [0002] In the fields of virtual reality (VR) and augmented reality (AR), positioning technology has become the basis for interaction between virtual reality technology and augmented reality technology. Existing positioning technologies in the technical fields of virtual reality (VR) and augmented reality (AR) include technologies such as infrared optical positioning, laser positioning, ultrasonic positioning, and visible light positioning. Moreover, the interaction process is usually completed by using a handheld device such as a handle or a glove. [0003] Regardless of whether the above-mentioned optical positioning technology or ultrasonic positioning technology is used for positioning, each...

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Application Information

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IPC IPC(8): H04L7/02H04L7/033
CPCH04L7/033H04L7/02
Inventor 张益铭张佳宁张道宁
Owner 北京凌宇世纪信息科技有限公司
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