CN111610379A - 5G antenna array signal metering method and system - Google Patents

5G antenna array signal metering method and system Download PDF

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Publication number
CN111610379A
CN111610379A CN202010482241.XA CN202010482241A CN111610379A CN 111610379 A CN111610379 A CN 111610379A CN 202010482241 A CN202010482241 A CN 202010482241A CN 111610379 A CN111610379 A CN 111610379A
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array
phase
amplitude
determining
array unit
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CN111610379B (en
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史信荣
熊洋洋
柯进
余洪文
杨杭
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Guangdong Provincial Institute Of Metrology (south China National Centre Of Metrology)
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Guangdong Provincial Institute Of Metrology (south China National Centre Of Metrology)
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/10Radiation diagrams of antennas

Abstract

The invention provides a 5G antenna array signal metering method and a system, wherein the method comprises the following steps: determining array units of the 5G antenna array, and determining the working rule of each array unit; reading and metering an array signal of each array unit; determining a receiving signal corresponding to the array unit according to the working rule, and obtaining the array attribute of the array unit according to the receiving signal; and optimizing the metering result of each array unit according to the array attribute to obtain a final result. By determining the working rule of the array unit and determining the array attribute of the array unit, the accuracy of obtaining the metering result is improved conveniently.

Description

5G antenna array signal metering method and system
Technical Field
The invention relates to the technical field of radio, in particular to a 5G antenna array signal metering method and system.
Background
The directivity of a single antenna is limited, and two or more than two single antennas working at the same frequency are fed and spatially arranged according to certain requirements to form an antenna array for being suitable for application in various occasions. Among these, various metrology parameters are typically obtained based on the antenna array, such as: parameters such as signal power, electric wave radiation and the like are generally acquired based on the 4G antenna array in the process of acquiring each parameter, but the 5G antenna array has more signal information, and the invention provides a method and a system for measuring signals of the 5G antenna array in order to ensure the accuracy of the acquired signals in the acquisition process.
Disclosure of Invention
The invention provides a 5G antenna array signal metering method and a system, which are used for improving the accuracy of obtaining a metering result by determining the working rule of an array unit and determining the array attribute of the array unit.
The invention provides a 5G antenna array signal metering method, which comprises the following steps:
determining array units of the 5G antenna array, and determining the working rule of each array unit;
reading and metering an array signal of each array unit;
determining a receiving signal corresponding to the array unit according to the working rule, and obtaining the array attribute of the array unit according to the receiving signal;
and optimizing the metering result of each array unit according to the array attribute to obtain a final result.
Preferably, the step of determining array elements of the 5G antenna array and determining the working rule of each array element comprises:
counting a first unit of the 5G antenna;
selecting a second unit from the first units, wherein the second unit is a unit which normally works in the 5G antenna array;
calling a working rule related to the second unit from an array database, and configuring the working rule to the second unit;
wherein the second cell is the array cell.
Preferably, the step of reading and metering the array signal of each array unit comprises:
determining the radiation direction and the radiation range of each array unit;
correspondingly receiving the array signal of each array unit according to the radiation direction and the radiation range;
performing induction reading on the received array signal, and preprocessing an induction reading result to obtain a reading result of the array signal, wherein the reading result comprises: a first phase and a first amplitude of the array element;
sending a calibration instruction to each array unit and controlling the array units to perform calibration processing, wherein a phase set and an amplitude set of each array unit are obtained in the process of performing calibration processing on each array unit;
determining phase differences for the same array element based on the first phase and set of phases, and simultaneously determining amplitude differences for the same array element based on a timestamp and the first amplitude and set of amplitudes;
and screening qualified phases and qualified amplitudes from all the obtained phase differences and amplitude differences based on a difference database, and calibrating the corresponding reading results to obtain a metering result.
Preferably, the step of screening qualified phases and qualified amplitudes comprises:
determining a phase difference between a first phase corresponding to each array unit and a corresponding phase list, inputting the corresponding first phase, a second phase and the phase difference between the first phase and the second phase into a phase screening model for matching verification, and screening the second phase when the phase matching values of the first phase, the second phase and the phase difference between the first phase and the second phase are higher than the first matching value, wherein the screened second phase is a qualified phase;
determining the amplitude difference between the first amplitude corresponding to each array unit and the corresponding amplitude list, inputting the corresponding first amplitude, the corresponding second amplitude and the amplitude difference between the first amplitude and the second amplitude into an amplitude screening model for matching verification, and screening the second amplitude when the amplitude matching values of the first amplitude, the corresponding second amplitude and the amplitude difference between the first amplitude and the second amplitude are higher than a second matching value, wherein the screened second amplitude is qualified amplitude;
wherein the phase set comprises a plurality of phase lists, and each phase list represents a different phase of one array unit;
the amplitude set includes a number of amplitude lists, and each amplitude list represents a different amplitude for an array element.
Preferably, the method further comprises the following steps:
determining an initial phase for each of the array elements, the initial phase being determined based on the transmit antennas and operating frequencies of the array elements;
determining a time phase of the array elements when electromagnetic waves of different array elements of the 5G antenna array meet;
determining a spatial path taken by electromagnetic waves transmitted by each transmitting antenna to the same receiving area according to the current position of the transmitting antenna of the 5G antenna array, which corresponds to the array unit one by one, and determining a spatial phase of the corresponding array unit according to the spatial path;
determining a phase superposition area according to the space phase, and finely adjusting the current position of the array unit through the phase superposition area;
and acquiring a fine adjustment result based on the fine adjustment of the array unit, and performing fine correction on the corresponding metering result according to the fine adjustment result.
Preferably, the step of determining the received signal corresponding to the array unit according to the working rule and obtaining the array attribute of the array unit according to the received signal includes:
based on the timestamp, sequentially recording electromagnetic signals received by the array unit in a preset time period, determining an electromagnetic wave corresponding to each frame point in the preset time period, and determining the electromagnetic amplitude of the corresponding frame point according to the electromagnetic wave;
determining a change rule of the electromagnetic amplitude in the preset time period, importing the change rule into an electromagnetic database, and acquiring a change attribute of the change rule;
acquiring electromagnetic signals related to the array units in the next time period, and acquiring related change attributes;
and comprehensively processing all the obtained variation attributes to determine the array attributes of the array units.
Preferably, before reading and metering the array signal of each array unit, the method further comprises: verifying each array unit, wherein the verifying step comprises the following steps:
placing the array unit in a preset working frequency range and positioning the array unit in a magnetic field convenient for measuring the electromagnetic phase and amplitude of the array unit;
in the preset working frequency range and the magnetic field convenient for measuring the phase and the amplitude, n groups of excitations are carried out on the array unit, and a receiving signal f1 ═ { f1i, i ═ 1,2,3,. the right, n } and a transmitting signal f2 ═ f2i, i ═ 1,2,3,. the right, n } which correspond to the n groups of excitations of the array unit are recorded in real time;
wherein f1i represents the received signal corresponding to the i-th group of excitations, and f2i represents the transmitted signal corresponding to the i-th group of excitations;
and f1i ═ f1ij, j ═ 1,2,3,. and m }, f1ij denotes a received signal corresponding to the ith excitation, f2i ═ f2ij, j ═ 1,2,3,. and m }, f2ij denotes a transmitted signal corresponding to the ith excitation;
according to the received nm received signals and reflected signals, estimating m-1 first resonant frequencies of the array units corresponding to adjacent excitations in each group;
determining a comprehensive frequency z of m-1 first resonance frequencies in each group, and determining n-1 second resonance frequencies of the array units corresponding to the excitation of each adjacent group according to the comprehensive frequency z;
determining a shift variable between the second resonant frequency and an adjacent synthetic frequency;
according to the offset variable, checking the array unit is achieved;
when the comprehensive frequency exists on two adjacent sides of the second resonance frequency, judging whether the left deviation variable and the right deviation variable are both in a preset range, if so, checking to be qualified;
otherwise, checking that the product is not qualified, and alarming and warning;
when the comprehensive frequency exists only on the left side of the second resonance frequency, judging whether the corresponding offset variables are all in a preset range, and if so, checking to be qualified;
otherwise, obtaining the side comprehensive frequency of the comprehensive frequency to compare the offset;
when the comprehensive frequency exists only on the right side of the second resonance frequency, judging whether the corresponding offset variables are all in a preset range, and if so, checking to be qualified;
otherwise, acquiring the right comprehensive frequency of the comprehensive frequency to compare the offset.
The invention provides a 5G antenna array signal metering system, comprising:
the determining module is used for determining array units of the 5G antenna array and determining the working rule of each array unit;
the metering module is used for reading and metering the array signal of each array unit determined by the determining module;
the first acquisition module is used for determining the received signals of the corresponding array units according to the working rule determined by the determination module and acquiring the array attributes of the array units according to the received signals;
and the second acquisition module is used for optimizing the metering result of each array unit according to the array attribute acquired by the first acquisition module to acquire a final result.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a flow chart of a 5G antenna array signal measurement method according to the present invention;
fig. 2 is a structural diagram of a 5G antenna array signal measurement system according to the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The invention provides a 5G antenna array signal metering method, as shown in fig. 1, comprising:
step 1: determining array units of the 5G antenna array, and determining the working rule of each array unit;
step 2: reading and metering an array signal of each array unit;
and step 3: determining a receiving signal corresponding to the array unit according to the working rule, and obtaining the array attribute of the array unit according to the receiving signal;
and 4, step 4: and optimizing the metering result of each array unit according to the array attribute to obtain a final result.
In this embodiment, the radiation electromagnetic field of the antenna is the sum (vector sum) of the radiation fields of the elements that make up the antenna array. Since the position of each element and the amplitude and phase of the feed current can be adjusted independently, the array antenna has various functions which cannot be realized by a single antenna. As in the simplest binary array, when power P is fed to an array element, the field strength E0 is generated at a point a far enough away from the maximum radiation direction of the antenna, and when the same power is fed to a constant-amplitude in-phase binary array, half the power is obtained per array element.
In this embodiment, because the electromagnetic coverage of each array unit is different and the corresponding radiation field is different, the working rule of the array unit can be determined according to the working condition of each array unit, for example, the electromagnetic coverage of the array unit can be used as a parameter in the working rule;
in this embodiment, the reading and metering of the array signal of each array unit may be based on a sensing meter, which receives the signal of the array unit and reads and meters the signal;
the array signal can be a received space signal, and the space signal has parameters of flexible beam control, high signal gain, extremely strong interference suppression and the like;
in this embodiment, the received signal may be a signal such as electromagnetic intensity and electromagnetic interference received by the array unit, and according to the signal, an array attribute, such as an attribute of strong interference resistance, is determined;
in this embodiment, the metered array signal is optimized through the array attribute, and because the suppression parameter exists in the array signal, if the attribute is strong in interference resistance, a constant parameter is optimized, for example, the original interference resistance intensity of the array unit is a1, and the corresponding strong interference resistance attribute is a2, at this time, a1 is optimized through a2, for example, on the basis of a1, and according to a2, a1 is optimized as follows:
Figure BDA0002517339590000071
wherein a represents the optimized anti-interference intensity,
Figure BDA0002517339590000072
represents the average intensity; Δ (a1) represents the antenna adjustment function associated with a 1.
The beneficial effects of the above technical scheme are: by determining the working rule of the array unit and determining the array attribute of the array unit, the accuracy of obtaining the metering result is improved conveniently.
The invention provides a 5G antenna array signal metering method, which comprises the following steps of determining array units of a 5G antenna array and determining the working rule of each array unit:
counting a first unit of the 5G antenna;
selecting a second unit from the first units, wherein the second unit is a unit which normally works in the 5G antenna array;
calling a working rule related to the second unit from an array database, and configuring the working rule to the second unit;
wherein the second cell is the array cell.
The beneficial effects of the above technical scheme are: by determining the first unit and the second unit, the working rule can be configured to the normally working units conveniently and effectively, and a data basis is provided for obtaining accurate measurement results subsequently.
The invention provides a 5G antenna array signal metering method, which comprises the following steps of reading and metering an array signal of each array unit:
determining the radiation direction and the radiation range of each array unit;
correspondingly receiving the array signal of each array unit according to the radiation direction and the radiation range;
performing induction reading on the received array signal, and preprocessing an induction reading result to obtain a reading result of the array signal, wherein the reading result comprises: a first phase and a first amplitude of the array element;
sending a calibration instruction to each array unit and controlling the array units to perform calibration processing, wherein a phase set and an amplitude set of each array unit are obtained in the process of performing calibration processing on each array unit;
determining phase differences for the same array element based on the first phase and set of phases, and simultaneously determining amplitude differences for the same array element based on a timestamp and the first amplitude and set of amplitudes;
and screening qualified phases and qualified amplitudes from all the obtained phase differences and amplitude differences based on a difference database, and calibrating the corresponding reading results to obtain a metering result.
In this embodiment, the sensing reading result is preprocessed, for example, if the received array signal is a fluctuation graph, at this time, a digital result is obtained by performing analog-to-digital conversion on the fluctuation graph, the digital result is the reading result, and the obtained first phase and the first amplitude are mathematical values.
In this embodiment, by sending the calibration command, for example, the signal generator generates a single frequency signal according to a parameter of the calibration command to be sent, and after digital-to-analog conversion, the single frequency signal is sent by the calibration command transmitting antenna. The parameters of the calibration instruction comprise the type, amplitude, frequency and the like of the signal, and after the calibration instruction is sent, the array unit is used for receiving each path of signal, and the digital signal is obtained after analog-to-digital conversion, so that a data basis is provided for obtaining qualified amplitude and phase positions subsequently.
In this embodiment, the qualified amplitude and phase are obtained to improve the metrology efficiency.
The beneficial effects of the above technical scheme are: the radiation range and the radiation direction of the array unit are determined, so that the array signal can be conveniently received, qualified phases and amplitudes can be conveniently screened through the calibration instruction, and then a metering result is obtained through calibration processing, so that the accuracy of the metering result is improved.
The invention provides a 5G antenna array signal metering method, which comprises the following steps of screening qualified phases and qualified amplitudes:
determining a phase difference between a first phase corresponding to each array unit and a corresponding phase list, inputting the corresponding first phase, a second phase and the phase difference between the first phase and the second phase into a phase screening model for matching verification, and screening the second phase when the phase matching values of the first phase, the second phase and the phase difference between the first phase and the second phase are higher than the first matching value, wherein the screened second phase is a qualified phase;
determining the amplitude difference between the first amplitude corresponding to each array unit and the corresponding amplitude list, inputting the corresponding first amplitude, the corresponding second amplitude and the amplitude difference between the first amplitude and the second amplitude into an amplitude screening model for matching verification, and screening the second amplitude when the amplitude matching values of the first amplitude, the corresponding second amplitude and the amplitude difference between the first amplitude and the second amplitude are higher than a second matching value, wherein the screened second amplitude is qualified amplitude;
wherein the phase set comprises a plurality of phase lists, and each phase list represents a different phase of one array unit;
the amplitude set includes a number of amplitude lists, and each amplitude list represents a different amplitude for an array element.
In this embodiment, the matching verification of the first phase, the second phase, and the phase difference between the first phase and the second phase is performed by obtaining the matching verification of the second phase and the phase difference at different calibration instructions for the same array unit;
and performing matching verification on the first amplitude, the second amplitude and the amplitude difference between the first amplitude and the second amplitude, wherein the matching verification of the second amplitude and the amplitude difference is obtained in different calibration instructions for the same array unit.
In this embodiment, the first matching value and the second matching value are adjustable, and the value range is 90% or more.
The beneficial effects of the above technical scheme are: the phase screening model is used for matching and verifying, so that qualified phases can be screened conveniently, and the amplitude screening model is used for matching and verifying, so that qualified amplitudes can be screened conveniently.
The invention provides a 5G antenna array signal metering method, which further comprises the following steps:
determining an initial phase for each of the array elements, the initial phase being determined based on the transmit antennas and operating frequencies of the array elements;
determining a time phase of the array elements when electromagnetic waves of different array elements of the 5G antenna array meet;
determining a spatial path taken by electromagnetic waves transmitted by each transmitting antenna to the same receiving area according to the current position of the transmitting antenna of the 5G antenna array, which corresponds to the array unit one by one, and determining a spatial phase of the corresponding array unit according to the spatial path;
determining a phase superposition area according to the space phase, and finely adjusting the current position of the array unit through the phase superposition area;
and acquiring a fine adjustment result based on the fine adjustment of the array unit, and performing fine correction on the corresponding metering result according to the fine adjustment result.
In this embodiment, for example, in array units 1,2, and 3, where the phase of 1 is [0, 90 ° ], the phase of 2 is [80 °, 120 ° ], and the phase of 3 is [120 °, 180 ° ], and at this time, the overlapping spatial phase of 1 and 2 is [80 °, 90 ° ], a phase overlap region is obtained, and at this time, the position of 1 may be adjusted so that the phase thereof becomes [ -10 °, 80 ° ], thereby increasing the coverage range thereof, and at the same time, reducing the interference of signals due to the overlap region when the same data is acquired.
The beneficial effects of the above technical scheme are: by determining the space phase and the phase superposition area, the current position of the array unit is convenient to be adjusted slightly, and the accuracy of obtaining the metering result is improved.
The invention provides a 5G antenna array signal metering method, which comprises the following steps of determining a receiving signal corresponding to an array unit according to the working rule, and obtaining the array attribute of the array unit according to the receiving signal:
based on the timestamp, sequentially recording electromagnetic signals received by the array unit in a preset time period, determining an electromagnetic wave corresponding to each frame point in the preset time period, and determining the electromagnetic amplitude of the corresponding frame point according to the electromagnetic wave;
determining a change rule of the electromagnetic amplitude in the preset time period, importing the change rule into an electromagnetic database, and acquiring a change attribute of the change rule;
acquiring electromagnetic signals related to the array units in the next time period, and acquiring related change attributes;
and comprehensively processing all the obtained variation attributes to determine the array attributes of the array units.
The beneficial effects of the above technical scheme are: by determining the electromagnetic waves of the frame points, the change rule of the electromagnetic waves can be determined more finely, the change attribute is comprehensively processed, the array attribute is convenient to obtain, and the effectiveness of obtaining the attribute of the array unit is improved.
The invention provides a 5G antenna array signal metering method, which comprises the following steps before reading and metering an array signal of each array unit: verifying each array unit, wherein the verifying step comprises the following steps:
placing the array unit in a preset working frequency range and positioning the array unit in a magnetic field convenient for measuring the electromagnetic phase and amplitude of the array unit;
in the preset working frequency range and the magnetic field convenient for measuring the phase and the amplitude, n groups of excitations are carried out on the array unit, and a receiving signal f1 ═ { f1i, i ═ 1,2,3,. the right, n } and a transmitting signal f2 ═ f2i, i ═ 1,2,3,. the right, n } which correspond to the n groups of excitations of the array unit are recorded in real time;
wherein f1i represents the received signal corresponding to the i-th group of excitations, and f2i represents the transmitted signal corresponding to the i-th group of excitations;
and f1i ═ f1ij, j ═ 1,2,3,. and m }, f1ij denotes a received signal corresponding to the ith excitation, f2i ═ f2ij, j ═ 1,2,3,. and m }, f2ij denotes a transmitted signal corresponding to the ith excitation;
according to the received nm received signals and reflected signals, estimating m-1 first resonant frequencies of the array units corresponding to adjacent excitations in each group;
determining a comprehensive frequency z of m-1 first resonance frequencies in each group, and determining n-1 second resonance frequencies of the array units corresponding to the excitation of each adjacent group according to the comprehensive frequency z;
determining a shift variable between the second resonant frequency and an adjacent synthetic frequency;
according to the offset variable, checking the array unit is achieved;
when the comprehensive frequency exists on two adjacent sides of the second resonance frequency, judging whether the left deviation variable and the right deviation variable are both in a preset range, if so, checking to be qualified;
otherwise, checking that the product is not qualified, and alarming and warning;
when the comprehensive frequency exists only on the left side of the second resonance frequency, judging whether the corresponding offset variables are all in a preset range, and if so, checking to be qualified;
otherwise, obtaining the side comprehensive frequency of the comprehensive frequency to compare the offset;
when the comprehensive frequency exists only on the right side of the second resonance frequency, judging whether the corresponding offset variables are all in a preset range, and if so, checking to be qualified;
otherwise, acquiring the right comprehensive frequency of the comprehensive frequency to compare the offset.
In this embodiment, the number of array elements is associated with the 5G antenna;
wherein, the comprehensive frequency z is as follows:
Figure BDA0002517339590000121
where D1 represents a frequency function for the received signal and D2 represents a frequency function for the transmitted signal.
In this embodiment, the offset variable may be a difference between the second resonance frequency and a frequency of an adjacent composite frequency, and the preset range may be [ -0.5, 0.7 ].
The beneficial effects of the above technical scheme are: the method comprises the steps of sending excitation to an array unit, acquiring a receiving signal and a transmitting signal of the array unit based on the excitation, acquiring more signal data, providing a data base for subsequently determining the resonance frequency, determining the resonance frequency among groups, the comprehensive frequency of each group and the second resonance frequency among the groups, effectively determining an offset variable, and further realizing verification according to the offset variable.
The invention provides a 5G antenna array signal metering system, as shown in fig. 2, comprising:
the determining module is used for determining array units of the 5G antenna array and determining the working rule of each array unit;
the metering module is used for reading and metering the array signal of each array unit determined by the determining module;
the first acquisition module is used for determining the received signals of the corresponding array units according to the working rule determined by the determination module and acquiring the array attributes of the array units according to the received signals;
and the second acquisition module is used for optimizing the metering result of each array unit according to the array attribute acquired by the first acquisition module to acquire a final result.
The beneficial effects of the above technical scheme are: by determining the working rule of the array unit and determining the array attribute of the array unit, the accuracy of obtaining the metering result is improved conveniently.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. A5G antenna array signal metering method is characterized by comprising the following steps:
determining array units of the 5G antenna array, and determining the working rule of each array unit;
reading and metering an array signal of each array unit;
determining a receiving signal corresponding to the array unit according to the working rule, and obtaining the array attribute of the array unit according to the receiving signal;
and optimizing the metering result of each array unit according to the array attribute to obtain a final result.
2. The metrology method of claim 1, wherein the step of determining array elements of a 5G antenna array and determining the operating rules for each array element comprises:
counting a first unit of the 5G antenna;
selecting a second unit from the first units, wherein the second unit is a unit which normally works in the 5G antenna array;
calling a working rule related to the second unit from an array database, and configuring the working rule to the second unit;
wherein the second cell is the array cell.
3. The metrology method of claim 1, wherein the step of reading and metrology the array signal for each array cell comprises:
determining the radiation direction and the radiation range of each array unit;
correspondingly receiving the array signal of each array unit according to the radiation direction and the radiation range;
performing induction reading on the received array signal, and preprocessing an induction reading result to obtain a reading result of the array signal, wherein the reading result comprises: a first phase and a first amplitude of the array element;
sending a calibration instruction to each array unit and controlling the array units to perform calibration processing, wherein a phase set and an amplitude set of each array unit are obtained in the process of performing calibration processing on each array unit;
determining phase differences for the same array element based on the first phase and set of phases, and simultaneously determining amplitude differences for the same array element based on a timestamp and the first amplitude and set of amplitudes;
and screening qualified phases and qualified amplitudes from all the obtained phase differences and amplitude differences based on a difference database, and calibrating the corresponding reading results to obtain a metering result.
4. The metrology method of claim 1, wherein the step of screening for acceptable phase and amplitude comprises:
determining a phase difference between a first phase corresponding to each array unit and a corresponding phase list, inputting the corresponding first phase, a second phase and the phase difference between the first phase and the second phase into a phase screening model for matching verification, and screening the second phase when the phase matching values of the first phase, the second phase and the phase difference between the first phase and the second phase are higher than the first matching value, wherein the screened second phase is a qualified phase;
determining the amplitude difference between the first amplitude corresponding to each array unit and the corresponding amplitude list, inputting the corresponding first amplitude, the corresponding second amplitude and the amplitude difference between the first amplitude and the second amplitude into an amplitude screening model for matching verification, and screening the second amplitude when the amplitude matching values of the first amplitude, the corresponding second amplitude and the amplitude difference between the first amplitude and the second amplitude are higher than a second matching value, wherein the screened second amplitude is qualified amplitude;
wherein the phase set comprises a plurality of phase lists, and each phase list represents a different phase of one array unit;
the amplitude set includes a number of amplitude lists, and each amplitude list represents a different amplitude for an array element.
5. The metrology method of claim 1, further comprising:
determining an initial phase for each of the array elements, the initial phase being determined based on the transmit antennas and operating frequencies of the array elements;
determining a time phase of the array elements when electromagnetic waves of different array elements of the 5G antenna array meet;
determining a spatial path taken by electromagnetic waves transmitted by each transmitting antenna to the same receiving area according to the current position of the transmitting antenna of the 5G antenna array, which corresponds to the array unit one by one, and determining a spatial phase of the corresponding array unit according to the spatial path;
determining a phase superposition area according to the space phase, and finely adjusting the current position of the array unit through the phase superposition area;
and acquiring a fine adjustment result based on the fine adjustment of the array unit, and performing fine correction on the corresponding metering result according to the fine adjustment result.
6. The metrology method of claim 1, wherein determining a received signal corresponding to an array element based on the operating rules and obtaining an array property of the array element based on the received signal comprises:
based on the timestamp, sequentially recording electromagnetic signals received by the array unit in a preset time period, determining an electromagnetic wave corresponding to each frame point in the preset time period, and determining the electromagnetic amplitude of the corresponding frame point according to the electromagnetic wave;
determining a change rule of the electromagnetic amplitude in the preset time period, importing the change rule into an electromagnetic database, and acquiring a change attribute of the change rule;
acquiring electromagnetic signals related to the array units in the next time period, and acquiring related change attributes;
and comprehensively processing all the obtained variation attributes to determine the array attributes of the array units.
7. The metrology method of claim 1, prior to reading and metrology the array signal for each array cell, further comprising: verifying each array unit, wherein the verifying step comprises the following steps:
placing the array unit in a preset working frequency range and positioning the array unit in a magnetic field convenient for measuring the electromagnetic phase and amplitude of the array unit;
in the preset working frequency range and the magnetic field convenient for measuring the phase and the amplitude, n groups of excitations are carried out on the array unit, and a receiving signal f1 ═ { f1i, i ═ 1,2,3,. the right, n } and a transmitting signal f2 ═ f2i, i ═ 1,2,3,. the right, n } which correspond to the n groups of excitations of the array unit are recorded in real time;
wherein f1i represents the received signal corresponding to the i-th group of excitations, and f2i represents the transmitted signal corresponding to the i-th group of excitations;
and f1i ═ f1ij, j ═ 1,2,3,. and m }, f1ij denotes a received signal corresponding to the ith excitation, f2i ═ f2ij, j ═ 1,2,3,. and m }, f2ij denotes a transmitted signal corresponding to the ith excitation;
according to the received nm received signals and reflected signals, estimating m-1 first resonant frequencies of the array units corresponding to adjacent excitations in each group;
determining a comprehensive frequency z of m-1 first resonance frequencies in each group, and determining n-1 second resonance frequencies of the array units corresponding to the excitation of each adjacent group according to the comprehensive frequency z;
determining a shift variable between the second resonant frequency and an adjacent synthetic frequency;
according to the offset variable, checking the array unit is achieved;
when the comprehensive frequency exists on two adjacent sides of the second resonance frequency, judging whether the left deviation variable and the right deviation variable are both in a preset range, if so, checking to be qualified;
otherwise, checking that the product is not qualified, and alarming and warning;
when the comprehensive frequency exists only on the left side of the second resonance frequency, judging whether the corresponding offset variables are all in a preset range, and if so, checking to be qualified;
otherwise, obtaining the side comprehensive frequency of the comprehensive frequency to compare the offset;
when the comprehensive frequency exists only on the right side of the second resonance frequency, judging whether the corresponding offset variables are all in a preset range, and if so, checking to be qualified;
otherwise, acquiring the right comprehensive frequency of the comprehensive frequency to compare the offset.
8. A 5G antenna array signal metering system, comprising:
the determining module is used for determining array units of the 5G antenna array and determining the working rule of each array unit;
the metering module is used for reading and metering the array signal of each array unit determined by the determining module;
the first acquisition module is used for determining the received signals of the corresponding array units according to the working rule determined by the determination module and acquiring the array attributes of the array units according to the received signals;
and the second acquisition module is used for optimizing the metering result of each array unit according to the array attribute acquired by the first acquisition module to acquire a final result.
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