CN114499693B - Multi-physical field quantum measurement networking method based on coherent accumulation - Google Patents
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Abstract
The invention discloses a multi-physical field quantum measurement networking method based on coherent accumulation, which is characterized in that multi-physical field quantum sensing devices such as a quantum magnetometer, a quantum electric field meter, a quantum gravimeter and the like are arranged at different points, measurement results are transmitted by a quantum communication network, further improvement of coherent accumulation performance is realized by means of high-precision phase transmission and high-precision time synchronization characteristics, and a high-precision multi-physical field quantum measurement network function is realized. The quantum measurement network concept is provided, the traditional physical quantity measurement precision is improved through the quantum precision measurement equipment distributed in multiple points, the high-precision synchronization of time and phase information is realized through the quantum communication network, the coherent accumulation based on the high-precision synchronization can be greatly improved in terms of indexes such as signal to noise ratio, and the like, the high-precision characteristic of the multi-physical field quantum measurement network is ensured in a double mode of 'end equipment replacement and network capacity upgrading', and the quantum measurement network plays an important role in multiple fields such as hydrologic monitoring, electric power monitoring and meteorological early warning.
Description
Technical Field
The invention belongs to the interdisciplines of quantum measurement, quantum communication and signal processing, in particular to a method for performing coherent accumulation on distributed quantum measurement equipment by utilizing a quantum communication network to realize the functions of a high-precision multi-physical-field quantum measurement network, and particularly relates to a multi-physical-field quantum measurement networking method based on coherent accumulation and an ultra-wideband chip integrated microwave photon antenna system.
Background
All kinds of instruments based on quantum precision measurement technology can break through classical index bottleneck and approach the limit of the sea-borne Barbell, and can enable the precision and the sensitivity of magnetic field measurement, electric field measurement, gravitational field measurement, time reference and space reference to reach unprecedented levels. At present, quantum precision measurement equipment has high cost, high power consumption and great gap from large-scale commercial application. In order to solve the problems, besides the methods of improving the integration process, compressing the size of the core device and the like, the precise measurement of the physical quantity can be realized in a probe distributed arrangement and signal centralized processing mode, namely, a measurement network is constructed.
The core of coherent accumulation is to improve the signal to noise ratio by pulse accumulation according to the phase relation of adjacent pulse signals. The coherent accumulation technology can greatly improve the performance of a measurement network, and the signal-to-noise ratio index has a direct relation with the phase transmission precision. On the other hand, based on quantum communication networks, extremely high phase transmission can be achieved, i.e. coherent accumulation with signal-to-noise ratios exceeding classical bottlenecks can be supported.
Disclosure of Invention
Based on the problems of the prior art, the invention aims to solve the technical problems: how to arrange multi-physical field quantum sensing equipment such as a quantum magnetometer, a quantum electric field meter, a quantum gravity meter and the like at different points, realize high-precision sensing of the multi-physical field such as a magnetic field, an electric field, a gravity field and the like based on quantum characteristics, utilize a quantum communication network to transmit sensing signals containing phase coding information, realize coherent accumulation signal processing of multi-path quantum sensing equipment, realize great improvement of coherent accumulation performance by means of high-precision phase transmission and time synchronization capability of the quantum communication network, and realize multi-physical field super classical bottleneck calibration measurement by using a quantum measurement network.
Aiming at the defects existing in the prior art, the invention aims to provide a multi-physical field quantum measurement networking method based on coherent accumulation, different multi-physical field quantum sensing devices are arranged at different points, and high-precision sensing of the multi-physical field is realized based on quantum characteristics; transmitting a sensing signal containing phase coding information, and realizing high-fidelity transmission of the quantum sensing signal through high-precision phase transmission and time synchronization capability of a quantum communication network; and processing the coherent accumulation signals, and improving the signal-to-noise ratio of the sensing signals based on phase transmission and time synchronization and coherent accumulation.
Preferably, the measurement radius of each quantum sensing device is larger than the bit interval of each point, and the quantum sensing device of each point can measure the magnetic field, the gravitational field and the electric field of a specific point with high precision.
Preferably, the method specifically comprises the following steps:
s101, collecting signals of quantum sensing equipment, namely arranging a quantum magnetometer, a quantum electric field meter, a quantum gravimeter or other multi-physical-field quantum sensing equipment at different points, and realizing high-precision sensing of a magnetic field, an electric field and a gravitational field based on quantum characteristics;
s102, transmitting a quantum sensing signal, namely transmitting the sensing signal containing phase coding information by utilizing a quantum communication network infrastructure, and realizing high-fidelity transmission of the quantum sensing signal by high-precision phase transmission and time synchronization capability of the quantum communication network;
s103, performing coherent accumulation signal processing, and improving the signal-to-noise ratio of the sensing signal based on phase transmission and time synchronization precision and coherent accumulation.
Preferably, the method specifically comprises the following steps:
s201, arranging a quantum magnetometer, a quantum electric field meter and a quantum gravity meter at different points, measuring a magnetic field, an electric field and a gravity field at a specific position, or positioning and tracing a magnetic field signal, an electric field signal and a gravity field signal at a specific area;
s202, transmitting a phase coding quantum state carrying sensing information through a quantum communication network, separating quantum signals corresponding to a magnetic field, a gravitational field and an electric field, and realizing time synchronization of signals of all quantum sensing devices by quantum entanglement;
s203, processing various quantum signals according to a coherent accumulation general signal processing flow, and realizing high-precision high signal-to-noise ratio measurement of magnetic fields, electric fields and gravitational fields at specific positions and high-precision high signal-to-noise ratio positioning tracing of signals of the magnetic fields, the electric fields and the gravitational fields at specific areas.
Preferably, the working range of the quantum sensing device in step S201 needs to completely cover the position or the area to be measured.
Preferably, the quantum communication network uses a quantum state as a carrier for transmission, and the transmission process accords with the Hessenberg inaccuracy principle, the quantum state unclonable principle and the quantum inseparable principle.
The utility model provides a many physical field quantum measurement network system based on looks are accumulated, including quantum magnetometer, quantum gravimeter, quantum electric field meter and quantum communication network, many physical field quantum measurement network is with quantum magnetometer, quantum gravimeter, quantum electric field meter or other quantum sensing equipment are located different positions, the measurement radius of each quantum sensing equipment is greater than each bit interval, utilize quantum communication network general equipment to realize the fidelity nondestructive transmission of phase-encoding quantum sensing signal, use the quantum state to realize the high accuracy transmission of phase information as the carrier, utilize the coincidence measurement of quantum state transmission to confirm the clock error, utilize looks to be accumulated and realize distributed quantum magnetometer, distributed quantum gravimeter and distributed quantum electric field meter's signal processing respectively, equivalent construction quantum magnetometer network, quantum gravity measurement network and quantum electric field measurement network, realize high signal-to-noise ratio high accuracy magnetic field, gravity field, electric field measurement through the dual efficiency of looks accumulation and quantum phase transmission/time synchronization.
Preferably, the working range of the quantum sensing device needs to completely cover the position to be measured or the area to be measured.
Preferably, the quantum communication network uses a quantum state as a carrier for transmission, and the transmission process accords with the Hessenberg inaccuracy principle, the quantum state unclonable principle and the quantum inseparable principle.
Preferably, the time synchronization signal is compiled to the quantum state, clock synchronization is realized through quantum state fidelity lossless transmission, and the time synchronization signal and the clock are provided with high-precision clocks and are used as reference clocks for quantum communication.
Compared with the prior art, the invention has the following advantages:
1. the invention creatively combines a quantum communication network and a coherent accumulation technology, and realizes the high-precision processing of various sensing signals by means of the high-precision characteristic of phase coding quantum state transmission, the high-precision characteristic of quantum time synchronization and the high signal-to-noise ratio characteristic of coherent accumulation;
2. the quantum measurement network concept is provided, so that the measurement precision of the single-point quantum measurement equipment can be better improved, and the single-point quantum measurement equipment has certain positioning traceability;
3. the invention changes the single application mode of the traditional quantum communication network for realizing the safe transmission of information, and can have profound effects on the development of quantum information technology.
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In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are needed to be used in the embodiments of the present invention will be briefly described, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 shows a schematic diagram of the principle of the multi-physical field quantum measurement networking based on coherent accumulation.
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely configured to illustrate the invention and are not configured to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The invention provides an embodiment of a multi-physical field quantum measurement networking method based on coherent accumulation, which comprises the steps of arranging different multi-physical field quantum sensing devices at different points, and realizing high-precision sensing of the multi-physical field based on quantum characteristics; transmitting a sensing signal containing phase coding information, and realizing high-fidelity transmission of the quantum sensing signal through high-precision phase transmission and time synchronization capability of a quantum communication network; and processing the coherent accumulation signals, and improving the signal-to-noise ratio of the sensing signals based on phase transmission and time synchronization and coherent accumulation.
In some embodiments, the measurement radius of each quantum sensing device is larger than the bit interval of each point, and the quantum sensing device of each point can measure the magnetic field, the gravitational field and the electric field of a specific point with high precision.
The invention provides an embodiment of a multi-physical field quantum measurement networking method based on coherent accumulation, which comprises the following steps:
s101, collecting signals of quantum sensing equipment, namely arranging a quantum magnetometer, a quantum electric field meter, a quantum gravimeter or other multi-physical-field quantum sensing equipment at different points, and realizing high-precision sensing of a magnetic field, an electric field and a gravitational field based on quantum characteristics;
s102, transmitting a quantum sensing signal, namely transmitting the sensing signal containing phase coding information by utilizing a quantum communication network infrastructure, and realizing high-fidelity transmission of the quantum sensing signal by high-precision phase transmission and time synchronization capability of the quantum communication network;
s103, performing coherent accumulation signal processing, and improving the signal-to-noise ratio of the sensing signal based on phase transmission and time synchronization precision and coherent accumulation.
The invention provides an embodiment of a multi-physical field quantum measurement networking method based on coherent accumulation, which comprises the following steps:
s201, arranging a quantum magnetometer, a quantum electric field meter and a quantum gravity meter at different points, measuring a magnetic field, an electric field and a gravity field at a specific position, or positioning and tracing a magnetic field signal, an electric field signal and a gravity field signal at a specific area;
s202, transmitting a phase coding quantum state carrying sensing information through a quantum communication network, separating quantum signals corresponding to a magnetic field, a gravitational field and an electric field, and realizing time synchronization of signals of all quantum sensing devices by quantum entanglement;
s203, processing various quantum signals according to a coherent accumulation general signal processing flow, and realizing high-precision high signal-to-noise ratio measurement of magnetic fields, electric fields and gravitational fields at specific positions and high-precision high signal-to-noise ratio positioning tracing of signals of the magnetic fields, the electric fields and the gravitational fields at specific areas.
In some embodiments, the working range of the quantum sensing device in step S201 needs to completely cover the position or the area to be measured.
In some embodiments, the quantum communication network uses quantum states as carriers for transmission, and the transmission process accords with the Hessenberg inaccuracy principle, the quantum state unclonable principle and the quantum inseparable principle.
The invention provides an embodiment of a multi-physical field quantum measurement network system based on coherent accumulation, which comprises a quantum magnetometer, a quantum gravity meter, a quantum electric field meter and a quantum communication network, wherein the multi-physical field quantum measurement network is used for arranging the quantum magnetometer, the quantum gravity meter, the quantum electric field meter or other quantum sensing equipment at different points, the measurement radius of each quantum sensing equipment is larger than the bit interval of each point, the quantum communication network universal equipment is used for realizing the fidelity nondestructive transmission of a phase coding quantum sensing signal, the quantum state is used as a carrier for realizing the high-precision transmission of phase information, the coincidence measurement of the quantum state transmission is used for determining the clock difference, the signal processing of a distributed quantum magnetometer, a distributed quantum gravity meter and a distributed quantum electric field meter is respectively realized by the coherent accumulation, the quantum magnetic force measurement network, the quantum gravity measurement network and the quantum electric field measurement network are equivalently constructed, and the high-signal-to-noise ratio high-precision magnetic field, gravity field and electric field measurement are realized by the double effects of coherent accumulation and quantum phase transmission/time synchronization.
In some embodiments, the working range of the quantum sensing device needs to completely cover the position or the area to be measured.
In some embodiments, the quantum communication network uses quantum states as carriers for transmission, and the transmission process accords with the Hessenberg inaccuracy principle, the quantum state unclonable principle and the quantum inseparable principle.
In some embodiments, a time synchronization signal is compiled onto a quantum state, clock synchronization is achieved through quantum state fidelity lossless transmission, and both time synchronization parties are provided with high-precision clocks and use the clock as a reference clock for quantum communication
As shown in fig. 1, a principle embodiment of a high-precision multi-physical field quantum measurement network based on coherent accumulation is shown.
(1) The quantum magnetometer, the quantum gravimeter, the quantum electric field meter and the equivalent sensing equipment are arranged at different points. The measurement radius of each quantum sensing device is larger than the bit distance of each point, namely the quantum sensing device of each point can measure the magnetic field, the gravitational field and the electric field of a specific point with high precision;
(2) The phase coding quantum sensing signal is transmitted in a fidelity and nondestructive way by using the quantum communication network universal equipment, namely, the high-precision transmission of the phase information is realized by taking the quantum state as a carrier, and the transmission precision exceeds that of a classical phase information transmission means; meanwhile, the clock difference is determined by utilizing the coincidence measurement of quantum state transmission, and the clock synchronization precision exceeds the classical time synchronization means;
(3) The signal processing of the distributed quantum magnetometer, the distributed quantum gravimeter and the distributed quantum electric field meter is respectively realized by utilizing the coherent accumulation, a quantum magnetic force measuring network, a quantum gravity measuring network and a quantum electric field measuring network are equivalently constructed, and the measurement of a magnetic field, a gravitational field and an electric field with high signal to noise ratio and high precision is realized by means of the dual effects of the coherent accumulation and the quantum phase transmission/time synchronization.
The invention provides an embodiment of a multi-physical-field quantum measurement networking method based on coherent accumulation, wherein a quantum magnetometer, a quantum electric field meter, a quantum gravity meter and other multi-physical-field quantum sensing devices are arranged at different points, measurement results are transmitted by a quantum communication network, further improvement of coherent accumulation performance is realized by means of high-precision phase transmission and high-precision time synchronization characteristics, and a high-precision multi-physical-field quantum measurement network function is realized.
In some embodiments, the quantum sensing device realizes physical field measurement based on quantum basic characteristics, measurement accuracy can break through classical shot noise limit and approach the seasburgh limit, and detection results can be compiled on quantum states and phase information of the detection results can be reserved.
In some embodiments, the quantum sensing devices include, but are not limited to, typical devices such as quantum magnetometers, quantum electric field meters, quantum gravimeters, and the like.
In some embodiments, the working atoms include, but are not limited to, spintrons, photons, cold atoms, and are not limited to the specific manner in which the quantum sensing device operates, nor to the manner in which the quantum sensing device is interconnected with the quantum communication network.
In some embodiments, the quantum communication network uses the quantum state as a carrier for transmission, the transmission process accords with the hessian measurement inaccuracy principle, the quantum state unclonable principle and the quantum inseparable principle, a channel of the quantum communication network can be an optical fiber or a free space, the quantum state can be a photon or a spintrone, the coding degree of freedom can be a phase, polarization, a mode field, arrival time and the like but must carry phase information in a quantum sensing signal, the preparation-measurement protocol can be followed, the entanglement protocol can be followed, and the networking mode, the networking protocol and the interconnection means of the quantum communication network are not limited.
In some embodiments, the quantum time synchronization compiles a time synchronization signal onto a quantum state, clock synchronization is realized through quantum state fidelity lossless transmission, and both time synchronization sides need to be provided with high-precision clocks and take the clock as a reference clock for quantum communication; the quantum time synchronization has higher precision than classical time synchronization, the clock synchronization signal can be compatible with the security of quantum communication, and the quantum time synchronization taking light quanta as a carrier has the electromagnetic interference resistance. The specific scheme and parameter index of the quantum time synchronization are not limited, and the specific implementation mode and standard protocol of the quantum time synchronization system are not limited.
Compared with the prior art, the invention has the following advantages:
firstly, the invention creatively combines a quantum communication network and a coherent accumulation technology, and realizes the high-precision processing of various sensing signals by means of the high-precision characteristic of phase coding quantum state transmission, the high-precision characteristic of quantum time synchronization and the high signal-to-noise ratio characteristic of coherent accumulation;
secondly, the invention provides a quantum measurement network concept, which can better improve the measurement precision of single-point quantum measurement equipment and has certain positioning traceability;
finally, the invention changes the single application mode of the traditional quantum communication network for realizing the safe transmission of information, and can have profound effects on the development of quantum information technology.
For convenience of description, the above devices are described as being functionally divided into various units, respectively. Of course, the functions of each element may be implemented in one or more software and/or hardware elements when implemented in the present application.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The application may be described in the general context of computer-executable instructions, such as program modules, being executed by a computer. Generally, program modules include routines, programs, objects, components, data structures, etc. that perform particular tasks or implement particular abstract data types. The application may also be practiced in distributed computing environments where tasks are performed by remote processing devices that are linked through a communications network. In a distributed computing environment, program modules may be located in both local and remote computer storage media including memory storage devices.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). Memory is an example of computer-readable media.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (8)
1. Different multi-physical field quantum sensing devices are arranged at different points, and high-precision sensing of the multi-physical field is realized based on quantum characteristics; transmitting a sensing signal containing phase coding information, and realizing high-fidelity transmission of the quantum sensing signal through high-precision phase transmission and time synchronization capability of a quantum communication network; processing the coherent accumulation signals, and improving the signal-to-noise ratio of the sensing signals based on phase transmission, time synchronization and coherent accumulation, wherein the method specifically comprises the following steps:
(1) The quantum magnetometer, the quantum gravity meter and the quantum electric field Ji Bu are arranged at different points, the measurement radius of the quantum magnetometer, the quantum gravity meter and the quantum electric field meter is larger than the distance between the points, and the quantum magnetometer, the quantum gravity meter and the quantum electric field meter respectively measure the magnetic field, the gravity field and the electric field of a specific point with high precision;
(2) The method comprises the steps of realizing the fidelity nondestructive transmission of a phase coding quantum sensing signal by using quantum communication network universal equipment, realizing the high-precision transmission of phase information by taking a quantum state as a carrier, and determining the clock error by using the coincidence measurement of the quantum state transmission;
(3) The signal processing of the distributed quantum magnetometer, the distributed quantum gravimeter and the distributed quantum electric field meter is respectively realized by utilizing the coherent accumulation, a quantum magnetic force measuring network, a quantum gravity measuring network and a quantum electric field measuring network are equivalently constructed, and the measurement of a magnetic field, a gravitational field and an electric field with high signal to noise ratio and high precision is realized by means of the dual effects of the coherent accumulation, the quantum phase transmission and the time synchronization.
2. The coherent accumulation based multi-physical field quantum measurement networking method of claim 1, comprising:
s201, arranging a quantum magnetometer, a quantum electric field meter and a quantum gravity meter at different points, measuring a magnetic field, an electric field and a gravity field at a specific position, or positioning and tracing a magnetic field signal, an electric field signal and a gravity field signal at a specific area;
s202, transmitting a phase coding quantum state carrying sensing information through a quantum communication network, separating quantum signals corresponding to a magnetic field, a gravitational field and an electric field, and realizing time synchronization of signals of all quantum sensing devices by quantum entanglement;
s203, processing various quantum signals according to a coherent accumulation general signal processing flow, and realizing high-precision high signal-to-noise ratio measurement of magnetic fields, electric fields and gravitational fields at specific positions and high-precision high signal-to-noise ratio positioning tracing of signals of the magnetic fields, the electric fields and the gravitational fields at specific areas.
3. The method for multi-physical field quantum measurement networking based on coherent accumulation according to claim 2, wherein the working range of the quantum sensing device in step S201 needs to completely cover the position or the area to be measured.
4. The multi-physical field quantum measurement networking method based on coherent accumulation according to claim 2, wherein the quantum communication network uses quantum states as carriers for transmission, and the transmission process accords with the hessian parcels measurement inaccuracy principle, the quantum state unclonable principle and the quantum inseparable principle.
5. The quantum measurement network system comprises a quantum magnetometer, a quantum gravity meter, a quantum electric field meter and a quantum communication network, wherein the quantum magnetometer, the quantum gravity meter and the quantum electric field Ji Bu are arranged at different points, the measurement radius of the quantum magnetometer, the quantum gravity meter and the quantum electric field meter is larger than the bit interval of each point, and the quantum magnetometer, the quantum gravity meter and the quantum electric field meter respectively measure the magnetic field, the gravity field and the electric field of a specific point with high precision;
(2) The method comprises the steps of realizing the fidelity nondestructive transmission of a phase coding quantum sensing signal by using quantum communication network universal equipment, realizing the high-precision transmission of phase information by taking a quantum state as a carrier, and determining the clock error by using the coincidence measurement of the quantum state transmission;
(3) The signal processing of the distributed quantum magnetometer, the distributed quantum gravimeter and the distributed quantum electric field meter is respectively realized by utilizing the coherent accumulation, a quantum magnetic force measuring network, a quantum gravity measuring network and a quantum electric field measuring network are equivalently constructed, and the measurement of a magnetic field, a gravitational field and an electric field with high signal to noise ratio and high precision is realized by means of the dual effects of the coherent accumulation, the quantum phase transmission and the time synchronization.
6. The coherent accumulation based multi-physical field quantum measurement network system according to claim 5, wherein the working range of the quantum sensing device is required to completely cover the position to be measured or the area to be measured.
7. The coherent accumulation based multi-physical field quantum measurement network system according to claim 5, wherein the quantum communication network uses quantum states as carriers for transmission, and the transmission process accords with the hessian parcels principle, the quantum state unclonable principle and the quantum inseparable principle.
8. The coherent accumulation-based multi-physical field quantum measurement network system according to claim 5, wherein the time synchronization signals are compiled on quantum states, clock synchronization is realized through quantum state fidelity lossless transmission, and the time synchronization two parties are provided with high-precision clocks and take the clock as a reference clock for quantum communication.
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