Global positioning system and method based on quantum characteristics

Abstract

The invention discloses a system and a method for satellite positioning by using an optical signal of quantum characteristics, which mainly solves the problems of low positioning precision and time synchronous precision of the traditional global positioning system. The system mainly comprises a quantum light source generator, a reflector, a pyramid reflector, a delay controller, a beam splitter, a photon detector, a coincidence measurement unit, a photon pulse period accumulation unit, a TOA (Time Of Arrival) measurement unit, a data processing unit, a navigation positioning test experimental unit, and the like. The positioning method comprises the following steps of: acquiring a pulse accumulation outline by utilizing the optical signal of quantum characteristics, generated by the quantum light source generator, as external information input; obtaining TOA pulse information through detecting a model, carrying out data processing through a filter, and acquiring parameters, such as, position, time, and the like of a positioned object in real time; and realizing high precision positioning and timing. The invention has the advantages of providing long time and high precision navigation positioning for a navigational satellite, improving the accuracy of the satellite navigation positioning and the high confidentiality of information transmission, is suitable for the fields of navigation, positioning and timing of stationary or moving targets on the ground and spacecrafts in low earth orbit and can also be used in the application field of high precision autonomous navigation positioning of deep space and interplanetary flight spacecrafts, celestial body landers and surface cruisers thereof.

Description

1. Technical field [0001] The invention belongs to the technical field of satellite navigation and positioning, and relates to a system and method for high-precision positioning and time synchronization using photon pulse signals in a quantum entanglement compressed state as an information source for satellite positioning; The fields of navigation, positioning and timing of earth-orbiting spacecraft can also be used as high-precision autonomous navigation and positioning applications for deep space and interplanetary flight spacecraft, celestial body landers and surface rovers. 2. Background technology [0002] Satellite navigation and positioning system is a system that uses satellites for radio navigation positioning and time transfer. It is a space infrastructure for real-time acquisition of high-precision measurement information. High-precision location, time and other navigation and positioning service information. At present, it has been widely used in aircraft, missi...

AI Technical Summary

Problems solved by technology

[0006] The object of the present invention is to: overcome the problems and defects of low positioning and time synchronization accuracy and low information confidentiality brought about by the satellite positioning system of the traditional electromagnetic pulse method, and provide a photon pair that utilizes the characteristics of quantum entanglement compressed state as radiation Source signal, for high-precision positioning, time synchronization and related measurement of navigation satellites, a navigation and positioning system and method based on quantum characteristics is proposed to solve the positioning accuracy and information confidentiality of traditional electromagnetic pulse systems such as GPS, GLONASS, Galileo, and Beidou The problem is not high, so as to realize the need of long-term high-precision navigation positioning and time synchronization of navigation satellites

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