CN115313045A - Method, system, device and storage medium for weighting amplitude of phased array surface - Google Patents
Method, system, device and storage medium for weighting amplitude of phased array surface Download PDFInfo
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- CN115313045A CN115313045A CN202210824057.8A CN202210824057A CN115313045A CN 115313045 A CN115313045 A CN 115313045A CN 202210824057 A CN202210824057 A CN 202210824057A CN 115313045 A CN115313045 A CN 115313045A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/28—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the amplitude
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a method, a system and a device for weighting amplitude of a phased array surface and a storage medium. The amplitude weighting method of the phased array surface comprises the steps of obtaining an amplitude weighting table of each antenna channel of the phased array surface, calculating and adjusting leakage voltage corresponding to a power amplifier according to the amplitude weighting table, finishing amplitude weighting of the phased array surface, and improving the amplitude weighting precision of the phased array surface; meanwhile, the leakage voltage corresponding to the power amplifier is calculated and adjusted according to the amplitude weighting table, so that the saturation point of the power amplifier is lower when the output power is lower, the power amplifier in each antenna channel works in a saturated output state under each output power, and the power output efficiency of the power amplifier in each antenna channel is improved. The invention can be widely applied to the technical field of antennas.
Description
Technical Field
The present application relates to the field of antenna technologies, and in particular, to a method, a system, an apparatus, and a storage medium for weighting amplitude of a phased array.
Background
The active phased array adopts a multi-path multi-antenna mode to form an array, and each path consists of a power amplifier, a digital phase shifter, a digital attenuator, a power synthesis or distribution network, a beam control subsystem and a main control computer. The array antenna units form a large array surface according to the form of a square array or a circular array and the like, and the direction scanning of signals is realized by the whole antenna array surface through phase weighting; when the signal transmitted by the antenna array surface points to a certain direction, the lobe width of the main lobe and the size of the auxiliary lobe are determined by the amplitude of the signal transmitted by each channel; the amplitude and the phase of the transmission signals of each path of the antenna array are controlled by the beam control system, so that the field distribution of the antenna aperture is changed, and the beam scanning of the phased array antenna is realized.
The traditional phased array surface amplitude weighting design adopts an amplitude value distributed according to a certain specific function in a pre-simulation calculation manner, wherein one mode of adjusting the amplitude of the phased array surface is to adjust the amplitude value corresponding to each antenna channel and perform specific function weighting on the amplitude value corresponding to each antenna channel through a digital attenuator in each antenna channel so as to realize specific main lobe width and lower side lobe, however, the digital attenuator has low precision and is difficult to complete fine power attenuation adjustment, and the power amplifiers around the phased array surface work in a non-saturated output state, so that the efficiency is very low; another way to adjust the amplitude of the phased array is to implement different transmit amplitudes through a non-uniform power distribution network, but the design difficulty and flexibility are poor.
Disclosure of Invention
The present invention aims to solve at least to some extent one of the technical problems of the prior art.
Therefore, an object of the embodiments of the present invention is to provide a method, a system, a device, and a storage medium for weighting amplitude of a phased array front, so as to improve accuracy of amplitude weighting of the phased array front and efficiency of power output of a power amplifier.
In order to achieve the technical purpose, the technical scheme adopted by the embodiment of the invention comprises the following steps:
in one aspect, an embodiment of the present invention provides a phased array front amplitude weighting method, where the network on chip includes multiple routing nodes, and the method includes the following steps:
obtaining an amplitude weighting table of each antenna channel of the phased array surface;
calculating a first voltage set according to the amplitude weighting table, wherein the first voltage set is a set formed by the leakage voltages of the power amplifiers in the antenna channels;
and adjusting the leakage voltage of the power amplifier according to the first voltage set to complete the amplitude weighting of the phased array surface.
According to the amplitude weighting method for the phased array surface, disclosed by the embodiment of the invention, the amplitude weighting table of each antenna channel of the phased array surface is obtained, and the leakage voltage corresponding to the power amplifier is calculated and adjusted according to the amplitude weighting table, so that the amplitude weighting of the phased array surface is completed, and the amplitude weighting precision of the phased array surface is improved; meanwhile, the leakage voltage corresponding to the power amplifier is calculated and adjusted according to the amplitude weighting table, so that the saturation point of the power amplifier is lower when the output power is lower, the power amplifier in each antenna channel works in a saturated output state under each output power, and the power output efficiency of the power amplifier in each antenna channel is improved.
In addition, the phased array front amplitude weighting method according to the above embodiment of the present invention may further have the following additional technical features:
further, in the method for weighting amplitude of a phased array front according to the embodiment of the present invention, the obtaining an amplitude weighting table of each antenna channel of the phased array front includes:
reading the working mode of the phased array surface;
and acquiring the amplitude weighting table according to the working mode.
Further, in an embodiment of the present invention, the obtaining the amplitude weighting table according to the operation mode includes:
and according to the working mode, carrying out simulation calculation by adopting a minimum mean square error algorithm to obtain the amplitude weighting table.
Further, in an embodiment of the present invention, the calculating the first voltage set according to the amplitude weighting table includes:
calculating a second voltage set according to the amplitude weighting table, wherein the second voltage set is a set formed by detection voltages of digital-to-analog converters in the antenna channels;
and calculating the first voltage set according to the second voltage set.
On the other hand, the embodiment of the invention provides a phased array surface amplitude weighting system, which comprises:
the acquisition module is used for acquiring an amplitude weighting table of each antenna channel of the phased array surface;
a calculating module, configured to calculate a first voltage set according to the amplitude weighting table, where the first voltage set is a set formed by drain voltages of power amplifiers in the antenna channels;
and the adjusting module is used for adjusting the leakage voltage of the power amplifier according to the first voltage set to complete the amplitude weighting of the phased array surface.
Further, in an embodiment of the present invention, the obtaining module includes:
the working mode reading module is used for reading the working mode of the phased array surface;
and the amplitude weighting table acquisition module is used for acquiring the amplitude weighting table according to the working mode.
Further, in an embodiment of the present invention, the amplitude weighting table obtaining module is further configured to perform simulation calculation by using a minimum mean square error algorithm according to the working mode, so as to obtain the amplitude weighting table.
Further, in one embodiment of the present invention, the calculation module includes:
the first calculation module is used for calculating a second voltage set according to the amplitude weighting table, wherein the second voltage set is a set array formed by detection voltages of digital-to-analog converters in the antenna channels;
and the second calculation module is used for calculating the first voltage set according to the second voltage set.
In another aspect, an embodiment of the present invention provides a phased array front amplitude weighting apparatus, including:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement the one phased array front amplitude weighting method.
In another aspect, an embodiment of the present invention provides a storage medium, in which a program executable by a processor is stored, and the program executable by the processor is used for implementing the method for weighting the amplitude of the phased array front.
Advantages and benefits of the present invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the present application:
according to the embodiment of the invention, the amplitude weighting table of each antenna channel of the phased array surface is obtained, and the leakage voltage corresponding to the power amplifier is calculated and adjusted according to the amplitude weighting table, so that the amplitude weighting of the phased array surface is completed, and the amplitude weighting precision of the phased array surface is improved; meanwhile, the leakage voltage corresponding to the power amplifier is calculated and adjusted according to the amplitude weighting table, so that the saturation point of the power amplifier is lower when the output power is lower, the power amplifier in each antenna channel works in a saturated output state under each output power, and the power output efficiency of the power amplifier in each antenna channel is improved.
Drawings
In order to more clearly describe the embodiments of the present application or the technical solutions in the prior art, the following description is made on the drawings of the embodiments of the present application or the related technical solutions in the prior art, and it should be understood that the drawings in the following description are only for convenience and clarity of describing some embodiments in the technical solutions of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic flow chart illustrating an exemplary embodiment of a phased array surface amplitude weighting method according to the present invention;
fig. 2 is a schematic diagram of an antenna array according to an embodiment of a phased array front amplitude weighting method of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of a phased array wavefront amplitude weighting system according to the present invention;
fig. 4 is a schematic structural diagram of an embodiment of a phased array wavefront amplitude weighting apparatus according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application. The step numbers in the following embodiments are provided only for convenience of illustration, the order between the steps is not limited at all, and the execution order of each step in the embodiments can be adapted according to the understanding of those skilled in the art.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of the invention and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
The traditional phased array surface amplitude weighting design adopts an amplitude value distributed according to a certain specific function in a pre-simulation calculation manner, wherein one mode of adjusting the amplitude of the phased array surface is to adjust the amplitude value corresponding to each antenna channel and perform specific function weighting on the amplitude value corresponding to each antenna channel through a digital attenuator in each antenna channel so as to realize specific main lobe width and lower side lobe, however, the digital attenuator has low precision and is difficult to complete fine power attenuation adjustment, and the power amplifiers around the phased array surface work in a non-saturated output state, so that the efficiency is very low; another way to adjust the amplitude of the phased array is to implement different transmit amplitudes through a non-uniform power distribution network, but the design difficulty and flexibility are poor.
Therefore, the invention provides a method, a system, a device and a storage medium for amplitude weighting of a phased array surface, wherein the amplitude weighting of the phased array surface is completed by acquiring an amplitude weighting table of each antenna channel of the phased array surface and calculating and adjusting the leakage voltage corresponding to a power amplifier according to the amplitude weighting table, so that the amplitude weighting precision of the phased array surface is improved; meanwhile, the leakage voltage corresponding to the power amplifier is calculated and adjusted according to the amplitude weighting table, so that the saturation point of the power amplifier is lower when the output power is lower, the power amplifier in each antenna channel works in a saturated output state under each output power, and the power output efficiency of the power amplifier in each antenna channel is improved.
A phased array front amplitude weighting method and system proposed according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings, and first, a phased array front amplitude weighting method proposed according to an embodiment of the present invention will be described with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a method for weighting a wavefront amplitude of a phased array. The terminal may be, but is not limited to, a tablet computer, a notebook computer, a desktop computer, and the like. The server may be an independent physical server, a server cluster or a distributed system formed by a plurality of physical servers, or a cloud server providing basic cloud computing services such as cloud service, a cloud database, cloud computing, cloud functions, cloud storage, network service, cloud communication, middleware service, domain name service, security service, content Delivery Network (CDN), big data, an artificial intelligence platform, and the like. The phase control array surface amplitude weighting method in the embodiment of the invention mainly comprises the following steps:
s101, obtaining an amplitude weighting table of each antenna channel of a phased array surface;
it will be appreciated that the amplitude weighting tables for the individual antenna channels of the phased array are different in different modes of operation.
S101 may further be divided into the following steps S1011-S1012:
step S1011, reading the working mode of the phased array surface;
and step S1012, acquiring an amplitude weighting table according to the working mode.
Specifically, according to the working mode, a minimum mean square error algorithm is adopted for simulation calculation, amplitude values of all antenna channels of the phased array surface are obtained, and an amplitude weighting table is obtained according to the amplitude values of all antenna channels.
S102, calculating a first voltage set according to an amplitude weighting table;
the first voltage set is a set formed by drain voltages of the power amplifiers in the antenna channels.
In the embodiment of the present invention, the leakage voltage value required by the corresponding power amplifier in each antenna channel is calculated according to the amplitude value of each antenna channel required in the amplitude weighting table. The saturation point of the power amplifier is adjusted by adjusting the leakage voltage of the power amplifier, so that the power amplifier works in a saturated output state under each output power, and the output efficiency is improved.
S102 may be further divided into the following steps S1021-S1022:
step S1021, calculating a second voltage set according to the amplitude weighting table;
wherein the second set of voltages is a set of detection voltages of digital-to-analog converters (DACs) in respective antenna channels.
Specifically, in the embodiment of the present invention, when the output power increases, the detection voltage of the digital-to-analog converter also increases, and the output voltage of the power supply module is controlled to increase; when the output power is reduced, the detection voltage of the digital-to-analog converter is reduced, and the output voltage of the power supply module is controlled to be reduced, so that the saturation point of the power amplifier is adjusted, the power amplifier works in a saturation output state under each output power, and the output efficiency is improved.
And step S1022, calculating a first voltage set according to the second voltage set.
S103, adjusting the leakage voltage of the power amplifier according to the first voltage set to complete amplitude weighting of the phased array surface.
Specifically, the leakage voltage of the power amplifier in each antenna channel is adjusted according to the first voltage set calculated by the amplitude weighting table in step S1022, so that each antenna channel outputs the amplitude value on the amplitude weighting table, and the amplitude weighting of the phased array surface is completed.
Fig. 2 shows the power amplification efficiency of the power amplifier in each antenna channel under different drain voltages (+ 12V, +15V, +20V, + 28V) according to the embodiment of the present invention, and it can be known from fig. 2 that the power amplifier in each antenna channel operates in a saturated output state under each output power.
According to the method for weighting the amplitude of the phased array surface, disclosed by the embodiment of the invention, the amplitude weighting of the phased array surface is completed by acquiring the amplitude weighting table of each antenna channel of the phased array surface and calculating and adjusting the leakage voltage corresponding to the power amplifier according to the amplitude weighting table, so that the amplitude weighting precision of the phased array surface is improved; meanwhile, the leakage voltage corresponding to the power amplifier is calculated and adjusted according to the amplitude weighting table, so that the saturation point of the power amplifier is lower when the output power is lower, the power amplifier in each antenna channel works in a saturated output state under each output power, and the power output efficiency of the power amplifier in each antenna channel is improved.
Next, a phased array front amplitude weighting system proposed according to an embodiment of the present application is described with reference to the drawings.
Fig. 3 is a schematic diagram of a phased array wavefront amplitude weighting system according to an embodiment of the present application.
The system specifically comprises:
an obtaining module 301, configured to obtain an amplitude weighting table of each antenna channel of a phased array;
a calculating module 302, configured to calculate a first voltage set according to the amplitude weighting table, where the first voltage set is a set formed by leakage voltages of power amplifiers in the antenna channels;
and an adjusting module 303, configured to adjust the drain voltage of the power amplifier according to the first voltage set, so as to complete amplitude weighting of the phased array surface.
Further, in an embodiment of the present invention, the obtaining module includes:
the working mode reading module is used for reading the working mode of the phased array surface;
and the amplitude weighting table acquisition module is used for acquiring the amplitude weighting table according to the working mode.
Further, in an embodiment of the present invention, the amplitude weighting table obtaining module is further configured to perform simulation calculation by using a minimum mean square error algorithm according to the working mode, so as to obtain the amplitude weighting table.
Further, in one embodiment of the present invention, the calculation module includes:
the first calculation module is used for calculating a second voltage set according to the amplitude weighting table, wherein the second voltage set is a set array formed by detection voltages of digital-to-analog converters in the antenna channels;
and the second calculation module is used for calculating the first voltage set according to the second voltage set.
It can be seen that the contents in the foregoing method embodiments are all applicable to this system embodiment, the functions specifically implemented by this system embodiment are the same as those in the foregoing method embodiment, and the advantageous effects achieved by this system embodiment are also the same as those achieved by the foregoing method embodiment.
Referring to fig. 4, an embodiment of the present application provides a phased array wavefront amplitude weighting apparatus, including:
at least one processor 401;
at least one memory 402 for storing at least one program;
the at least one program, when executed by the at least one processor 401, causes the at least one processor 401 to implement the one phased array front amplitude weighting method.
Similarly, the contents of the method embodiments are all applicable to the apparatus embodiments, the functions specifically implemented by the apparatus embodiments are the same as the method embodiments, and the beneficial effects achieved by the apparatus embodiments are also the same as the beneficial effects achieved by the method embodiments.
In alternative embodiments, the functions/acts noted in the block diagrams may occur out of the order noted in the operational illustrations. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality/acts involved. Furthermore, the embodiments presented and described in the flowcharts of the present application are provided by way of example in order to provide a more comprehensive understanding of the technology. The disclosed methods are not limited to the operations and logic flows presented herein. Alternative embodiments are contemplated in which the order of various operations is changed and in which sub-operations described as part of larger operations are performed independently.
Furthermore, although the present application is described in the context of functional modules, it should be understood that, unless otherwise stated to the contrary, one or more of the functions and/or features may be integrated in a single physical device and/or software module, or one or more functions and/or features may be implemented in separate physical devices or software modules. It will also be appreciated that a detailed discussion regarding the actual implementation of each module is not necessary for an understanding of the present application. Rather, the actual implementation of the various functional modules in the apparatus disclosed herein will be understood within the ordinary skill of an engineer given the nature, function, and interrelationships of the modules. Accordingly, those of ordinary skill in the art will be able to implement the present application as set forth in the claims without undue experimentation. It is also to be understood that the specific concepts disclosed are merely illustrative of and not intended to limit the scope of the application, which is defined by the appended claims and their full scope of equivalents.
The functions may be stored in a computer-readable storage medium if they are implemented in the form of software functional units and sold or used as separate products. Based on such understanding, the technical solution of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product stored in a storage medium, which includes programs for enabling a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, and various media capable of storing program codes.
The logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable programs that can be considered for implementing logical functions, can be embodied in any computer-readable medium for use by or in connection with a program execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the programs from the program execution system, apparatus, or device and execute the programs. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the program execution system, apparatus, or device.
More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable program execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the foregoing description of the specification, reference to the description of "one embodiment/example," "another embodiment/example," or "certain embodiments/examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
While the preferred embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. A phased array wavefront amplitude weighting method, comprising the steps of:
obtaining an amplitude weighting table of each antenna channel of the phased array surface;
calculating a first voltage set according to the amplitude weighting table, wherein the first voltage set is a set formed by the leakage voltages of the power amplifiers in the antenna channels;
and adjusting the leakage voltage of the power amplifier according to the first voltage set to complete the amplitude weighting of the phased array surface.
2. The method of claim 1, wherein the obtaining of the amplitude weighting table for each antenna channel of the phased array comprises:
reading the working mode of the phased array surface;
and acquiring the amplitude weighting table according to the working mode.
3. The phased array front amplitude weighting method according to claim 2, wherein said obtaining the amplitude weighting table according to the operation mode comprises:
and according to the working mode, carrying out simulation calculation by adopting a minimum mean square error algorithm to obtain the amplitude weighting table.
4. The phased array front amplitude weighting method as claimed in claim 1, wherein said calculating a first set of voltages from said amplitude weighting table comprises:
calculating a second voltage set according to the amplitude weighting table, wherein the second voltage set is a set formed by detection voltages of digital-to-analog converters in the antenna channels;
and calculating the first voltage set according to the second voltage set.
5. A phased array amplitude weighting system, comprising:
the acquisition module is used for acquiring an amplitude weighting table of each antenna channel of the phased array surface;
a calculating module, configured to calculate a first voltage set according to the amplitude weighting table, where the first voltage set is a set formed by leakage voltages of power amplifiers in the antenna channels;
and the adjusting module is used for adjusting the leakage voltage of the power amplifier according to the first voltage set to complete the amplitude weighting of the phased array surface.
6. The phased array front amplitude weighting system of claim 5, wherein the obtaining module comprises:
the working mode reading module is used for reading the working mode of the phased array surface;
and the amplitude weighting table acquisition module is used for acquiring the amplitude weighting table according to the working mode.
7. The phased array front amplitude weighting system according to claim 6, wherein the amplitude weighting table obtaining module is further configured to obtain the amplitude weighting table by performing simulation calculation using a minimum mean square error algorithm according to the operating mode.
8. The phased array front amplitude weighting system of claim 5, wherein the computation module comprises:
the first calculation module is used for calculating a second voltage set according to the amplitude weighting table, wherein the second voltage set is a set array formed by detection voltages of digital-to-analog converters in the antenna channels;
and the second calculation module is used for calculating the first voltage set according to the second voltage set.
9. A phased array wavefront amplitude weighting device, comprising:
at least one processor;
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement a phased array front amplitude weighting method as recited in any of claims 1-4.
10. A storage medium having stored thereon a processor-executable program, wherein the processor-executable program, when executed by a processor, is configured to implement a phased array front amplitude weighting method as claimed in any one of claims 1 to 4.
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| CN202210824057.8A CN115313045A (en) | 2022-07-14 | 2022-07-14 | Method, system, device and storage medium for weighting amplitude of phased array surface |
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