CN112599978A - Automatic array splicing method for phased array antenna and phased array antenna - Google Patents
Automatic array splicing method for phased array antenna and phased array antenna Download PDFInfo
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- CN112599978A CN112599978A CN202110237606.7A CN202110237606A CN112599978A CN 112599978 A CN112599978 A CN 112599978A CN 202110237606 A CN202110237606 A CN 202110237606A CN 112599978 A CN112599978 A CN 112599978A
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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
- H01Q3/267—Phased-array testing or checking devices
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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
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Abstract
The application provides an automatic array splicing method of a phased array antenna and the phased array antenna, wherein a control module determines a strategy to obtain a coordinate corresponding to each array element on a basic antenna plate according to the attribute and the origin of the basic antenna plate; the control module acquires coordinates corresponding to each array element on other antenna boards according to the splicing relation between the other antenna boards and the basic antenna board; the control module respectively sends the coordinates, the current off-axis angle and the current rolling angle of each array element to the corresponding antenna boards; and each antenna board respectively calculates the standard phase of each array element according to the received coordinate, the current off-axis angle and the current rolling angle of each array element so as to complete the array splicing. Through the initial point of coordinates and each array element interval of automatic calculation antenna panel, amplitude and phase compensation value between each piece of antenna of automatic measurement fast then guide its control, can realize phased array antenna automation and piece together the battle array, reduced unnecessary manpower, time loss.
Description
Technical Field
The application relates to the field of antennas, in particular to an automatic array splicing method for a phased array antenna and the phased array antenna.
Background
With the increase of radar applications and the increasing of functions, the requirements of people on the functions of the radar are increased. The requirements include: detecting the distance, precision, anti-stealth and the like of the target. The increased functional requirements have led to an increasing number of antenna panels being applied to the complete phased array antenna.
In order for a phased array antenna complete machine including a plurality of antenna plates to meet the requirements of functionality, accuracy and stability, the phased array antenna needs to be tested. In the process from the antenna single board to the whole machine assembly, the test of each antenna board is divided into two stages, wherein the first stage is the single board test, and the second stage is the whole machine test. The veneer test comprises the following steps: functional test, performance test, high and low temperature test, vibration test, amplitude phase calibration and the like. And after the single board is tested, entering a whole machine installation link.
In order to facilitate the single-board test of the plurality of antenna boards, the array element coordinates and the amplitude phase compensation values are fixed uniform values. After the whole machine is assembled, besides a plurality of antenna single plates, components such as a feed network, an antenna control unit and the like are added. And because the array element coordinates of each antenna single plate are changed, the array needs to be manually assembled again and the amplitude value and the phase value need to be calibrated again, and then all the single plate test items need to be verified again. The process is complicated, takes a long time, and sometimes lasts for more than ten days or even months.
Disclosure of Invention
It is an object of the present application to provide an automatic array splicing method for a phased array antenna and a phased array antenna, which at least partially improve the above problems.
In order to achieve the above purpose, the embodiments of the present application employ the following technical solutions:
in a first aspect, an embodiment of the present application provides an automatic array splicing method for a phased array antenna, which is applied to a phased array antenna, where the phased array antenna includes a control module and an antenna board module, the antenna board module includes a basic antenna board and at least one other antenna board, the control module is connected to each antenna board, and attributes of each antenna board are the same, and the method includes:
the control module obtains a coordinate corresponding to each array element on the basic antenna board according to the attribute and the origin point determination strategy of the basic antenna board;
the attributes comprise the distance between adjacent array elements in the same row or the same column on the antenna board and the distance between a boundary array element and the frame of the antenna board, the boundary array element is the outermost array element on the antenna board, and the origin point determining strategy is used for taking one of four corners of the basic antenna board as the origin point of a coordinate system;
the control module acquires coordinates corresponding to each array element on other antenna boards according to the splicing relation between the other antenna boards and the basic antenna board;
the control module respectively sends the coordinates, the current off-axis angle and the current rolling angle of each array element to the corresponding antenna boards;
and each antenna board respectively calculates the standard phase of each array element according to the received coordinate, the current off-axis angle and the current rolling angle of each array element so as to complete the array splicing.
In a second aspect, an embodiment of the present application provides a phased array antenna, where the phased array antenna includes a control module and an antenna board module, where the antenna board module includes a base antenna board and at least one other antenna board, the control module is connected to each antenna board, and attributes of each antenna board are the same;
the control module is used for determining a strategy according to the attribute and the origin of the basic antenna board to obtain the coordinate corresponding to each array element on the basic antenna board;
the attributes comprise the distance between adjacent array elements in the same row or the same column on the antenna board and the distance between a boundary array element and the frame of the antenna board, the boundary array element is the outermost array element on the antenna board, and the origin point determining strategy is used for taking one of four corners of the basic antenna board as the origin point of a coordinate system;
the control module is used for acquiring coordinates corresponding to each array element on other antenna boards according to the splicing relation between the other antenna boards and the basic antenna board;
the control module is used for respectively sending the coordinate, the current off-axis angle and the current rolling angle of each array element to the corresponding antenna plate;
and each antenna board is used for respectively calculating the standard phase of each array element according to the received coordinate, the current off-axis angle and the current rolling angle of each array element so as to complete the array splicing.
Compared with the prior art, the phased array antenna automatic array splicing method and the phased array antenna provided by the embodiment of the application have the advantages that the control module obtains the coordinates corresponding to each array element on the basic antenna plate according to the attribute and the origin point determination strategy of the basic antenna plate; the attributes comprise the distance between adjacent array elements in the same row or the same column on the antenna board and the distance between a boundary array element and the frame of the antenna board, the boundary array element is the outermost array element on the antenna board, and an origin point determining strategy is used for taking one corner of four corners of the basic antenna board as the origin point of a coordinate system; the control module acquires coordinates corresponding to each array element on other antenna boards according to the splicing relation between the other antenna boards and the basic antenna board; the control module respectively sends the coordinates, the current off-axis angle and the current rolling angle of each array element to the corresponding antenna boards; and each antenna board respectively calculates the standard phase of each array element according to the received coordinate, the current off-axis angle and the current rolling angle of each array element so as to complete the array splicing. Through the initial point of coordinates and each array element interval of automatic calculation antenna panel, amplitude and phase compensation value between each piece of antenna of automatic measurement fast then guide its control, can realize phased array antenna automation and piece together the battle array, reduced unnecessary manpower, time loss.
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and it will be apparent to those skilled in the art that other related drawings can be obtained from the drawings without inventive effort.
Fig. 1 is a schematic structural diagram of a phased array antenna provided in an embodiment of the present application;
fig. 2 is a schematic flowchart of an automatic phased array antenna array splicing method according to an embodiment of the present disclosure;
fig. 3a is a schematic diagram of array element distribution of a basic antenna board according to an embodiment of the present application;
fig. 3b is a schematic property diagram of a basic antenna board according to an embodiment of the present application;
fig. 3c is a schematic array element coordinate diagram of a basic antenna board according to an embodiment of the present application;
fig. 4 is a schematic diagram of array element beam pointing provided in the embodiment of the present application;
fig. 5 is a schematic diagram illustrating the substeps of S102 according to an embodiment of the present disclosure;
FIG. 6 is a schematic diagram of a first base row and a first base column provided by an embodiment of the present application;
FIG. 7 is a schematic diagram of coordinate transformation from R1 to R2 provided in the embodiments of the present application;
FIG. 8 is a schematic diagram of coordinate transformation from R1 to R3 provided in the embodiments of the present application;
fig. 9 is a schematic diagram of coordinate transformation from R1 to R4 provided in the embodiments of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally found in use of products of the application, and are used only for convenience in describing the present application and for simplification of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present application.
In the description of the present application, it is also to be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
In order to facilitate the single-board test of the plurality of antenna boards, the array element coordinates and the amplitude phase compensation values are fixed uniform values. After the whole machine is assembled, besides a plurality of antenna single plates, components such as a feed network, an antenna control unit and the like are added. And because the array element coordinates of each antenna single plate are changed, the array needs to be manually assembled again and the amplitude value and the phase value need to be calibrated again, and then all the single plate test items need to be verified again. The process is complicated, takes a long time, and sometimes lasts for more than ten days or even months. For users of antennas, complete machines with different functions are often required to be assembled in a short time, but the conventional test method is time-consuming and labor-consuming. In order to improve the array assembling maneuverability of the phased array antenna, manual calculation should be reduced as much as possible, and the capabilities of actively splicing a plurality of antenna single plates and automatically calibrating a plurality of antennas are realized. At the in-process of antenna panel concatenation, if amplitude and phase compensation value between each piece antenna of automatic measurement can be fast then guide its control to the coordinate primitive and the array element interval of automatic calculation antenna panel can realize phased array antenna automation and piece together the battle array, have very big realistic meaning, have reduced unnecessary manpower, time loss.
To this end, the embodiment of the present application provides an automatic array splicing method for a phased array antenna, which is applied to the phased array antenna shown in fig. 1. As shown in fig. 1, the phased array antenna includes a control module and an antenna board module, the antenna board module includes a basic antenna board and at least one other antenna board, the control module is connected with each antenna board, and the attributes of each antenna board are the same.
The antenna board module may be the antenna board module R or the antenna board module T, and optionally, the antenna board module may include both the antenna board module R and the antenna board module T. In fig. 1, an antenna board module is schematically illustrated as an antenna board module R, and the antenna board module R includes an antenna board R1, an antenna board R2, an antenna board R3, and an antenna board R4. The base antenna board in the antenna board module R may be any one of the antenna board R1, the antenna board R2, the antenna board R3, and the antenna board R4. Alternatively, the antenna board module T includes the antenna board T1, the antenna board T2, the antenna board T3, and the base antenna board in the antenna board module T of the antenna board T4 may be any one of the antenna board T1, the antenna board T2, the antenna board T3, and the antenna board T4.
Possibly, the antenna board modules R and T may comprise more antenna boards, not all of which are drawn in fig. 1 for ease of illustration.
The automatic phased array antenna array splicing method provided in the embodiment of the present application can be applied to, but is not limited to, the phased array antenna shown in fig. 1, and please refer to fig. 2:
and S101, the control module obtains the coordinates corresponding to each array element on the basic antenna board according to the attribute and the origin point determination strategy of the basic antenna board.
The attribute comprises the distance between adjacent array elements in the same row or the same column on the antenna board and the distance between a boundary array element and the frame of the antenna board, the boundary array element is the outermost array element on the antenna board, and the origin point determining strategy is used for taking one corner of four corners of the basic antenna board as the origin point of a coordinate system.
Alternatively, any one of the four corners of the base antenna board may be used as the origin of the coordinate system, and the left lower corner of the base antenna board is used as the origin of the coordinate system for the following description, but not limited thereto.
Specifically, please refer to fig. 3a to fig. 3 c. Fig. 3a is a schematic diagram illustrating an array element distribution of a basic antenna board according to an embodiment of the present application, and as shown in fig. 3a, the basic antenna board includes n × n array elements, where the numbers of the array elements are sequentially 1, 2, 3 … n, n +1, n +2 … (n-1) n + 1, (n-1) n +2 …, and n × n, where n is the number of the array elements included in each column or each row of the basic antenna board. Fig. 3b is an attribute schematic diagram of the basic antenna board provided in the embodiment of the present application, and as shown in fig. 3b, on the basic antenna board, a distance between adjacent array elements in the same row or the same column is b, a distance between a boundary array element and a frame of the antenna board is a, and a side length of the antenna board is 2a + b (n-1). Fig. 3c is a schematic diagram of coordinates of an array element of a basic antenna board provided in this embodiment, as shown in fig. 3c, coordinates of a first array element are (a, a), coordinates of an nth array element are (a + (n-1) b, a), coordinates of an n +1 th array element are (a, a + b), coordinates of a 2 nth array element are (a + (n-1) b, a + b), coordinates of an (n-1) n +1 th array element are (a, a + (n-1) b), and coordinates of an nth n array element are [ a + (n-1) b, a + (n-1) b ], and coordinates of each array element can be obtained according to a distance between the elements, which is not described herein again.
And S102, the control module acquires the corresponding coordinates of each array element on other antenna boards according to the splicing relation between the other antenna boards and the basic antenna board.
Alternatively, taking the R1 as an example, the other antenna boards include R2, R3, and R4. R2, R3, R4 and R1 have different splicing relations respectively. Under the condition of obtaining the coordinates of all array elements on the R1, the coordinates corresponding to the array elements used by the R2, the R3 and the R4 can be respectively obtained according to the change of the splicing relation.
And S103, the control module sends the coordinates, the current off-axis angle and the current rolling angle of each array element to the corresponding antenna boards respectively.
Referring to fig. 4, fig. 4 is a schematic diagram of array element beam pointing. Wherein, theta is the current off-axis angle, phi is the current roll angle, and the P direction is the beam direction.
Optionally, each antenna board includes n × n array elements, and assuming that the array element R1M belongs to the antenna board R1, the control module sends the coordinates, the current off-axis angle, and the current roll angle of the array element R1M to the antenna board R1, respectively.
And S201, each antenna board respectively calculates the standard phase of each array element according to the received coordinates, the current off-axis angle and the current rolling angle of each array element so as to complete the array splicing.
Through the initial point of coordinates and each array element interval of automatic calculation antenna panel, amplitude and phase compensation value between each piece of antenna of automatic measurement fast then guide its control, can realize phased array antenna automation and piece together the battle array, have very big realistic meaning, reduced unnecessary manpower, time loss.
To sum up, in the automatic phased array antenna array splicing method provided in the embodiment of the present application, the control module obtains coordinates corresponding to each array element on the basic antenna plate according to the attribute and the origin of the basic antenna plate; the attributes comprise the distance between adjacent array elements in the same row or the same column on the antenna board and the distance between a boundary array element and the frame of the antenna board, the boundary array element is the outermost array element on the antenna board, and an origin point determining strategy is used for taking one corner of four corners of the basic antenna board as the origin point of a coordinate system; the control module acquires coordinates corresponding to each array element on other antenna boards according to the splicing relation between the other antenna boards and the basic antenna board; the control module respectively sends the coordinates, the current off-axis angle and the current rolling angle of each array element to the corresponding antenna boards; and each antenna board respectively calculates the standard phase of each array element according to the received coordinate, the current off-axis angle and the current rolling angle of each array element so as to complete the array splicing. Through the initial point of coordinates and each array element interval of automatic calculation antenna panel, amplitude and phase compensation value between each piece of antenna of automatic measurement fast then guide its control, can realize phased array antenna automation and piece together the battle array, reduced unnecessary manpower, time loss.
Optionally, each antenna board is provided with a processor capable of operating independently, and the processor is connected with each array element on the antenna board; and the processor is electrically connected with the control module.
The processor may acquire the standard phase in S201 according to the following equation.
Phase=-1.2*f*（xi*sinθcosφ+yi* sinθsinφ）；
Wherein Phase characterizes the standard phase, f characterizes the frequency, xiX-axis coordinate, y, characterizing the ith array elementiAnd representing the Y-axis coordinate of the ith array element, representing the current off-axis angle by theta, and representing the current rolling angle by phi.
For the content in S201, the embodiment of the present application further provides a possible implementation manner, that is, each antenna board respectively calculates the standard phase of each array element according to the received coordinate of each array element, the current pivot angle, the current roll angle, and the included angle between the antenna board and the setting plane, so as to complete the matrix splicing. The included angle of the setting plane can be stored in a processor in the antenna board, and can also be sent to the antenna board by the control module.
It should be noted that after the automatic array splicing is completed, the control module may further send an off-axis angle adjustment instruction, a frequency adjustment instruction, and a roll angle adjustment instruction of each array element to each antenna board, where the off-axis angle adjustment instruction, the frequency adjustment instruction, and the roll angle adjustment instruction are respectively used to adjust a current off-axis angle, a current frequency (transmission frequency or reception frequency), and a current roll angle of each array element.
Optionally, on the basis of fig. 2, when the origin determining strategy is used to use the lower left corner of the base antenna board as the origin of the coordinate system, the other antenna boards include a second-quadrant ceiling, a third-quadrant ceiling and a fourth-quadrant ceiling, the second-quadrant ceiling is spliced with the left boundary of the base antenna board, the third-quadrant ceiling is spliced with the lower left corner top corner of the base antenna board, and the fourth-quadrant ceiling is spliced with the lower boundary of the base antenna board. Reference is made to fig. 1, i.e., R1 is the base antenna plate, R2 is the second quadrant ceiling, R3 is the third quadrant ceiling, and R4 is the fourth quadrant ceiling.
As to how to obtain the coordinates of each array element in the second quadrant ceiling, the third quadrant ceiling and the fourth quadrant ceiling, the embodiment of the present application further provides a possible implementation manner, please refer to fig. 5, where S102 includes:
s102-1, the control module exchanges the X value and the Y value in the coordinate of each array element in the first basic row with each other to obtain the coordinate of each array element in the second basic row.
The first basic row is a row close to the X axis in the basic antenna board, and the second basic column is a column close to the Y axis in the second quadrant top board.
S102-2, the control module reverses the Y value in the coordinate of each array element in the first basic row, and exchanges the reversed Y value with the X value to obtain the coordinate of each array element in the second basic row.
The first basic row is a row close to the Y axis in the basic antenna board, and the second basic row is a row close to the X axis in the second quadrant top board.
Referring to FIG. 6, FIG. 6 is a diagram illustrating a first base row and a first base column, wherein X is1Characterizing a first base line, Y1The first base column is characterized. Referring to fig. 7, fig. 7 is a schematic diagram illustrating coordinate transformation from R1 to R2.
And S102-3, the control module determines the coordinates of each array element in the top plate of the second quadrant according to the second basic row and the second basic column.
Alternatively, the coordinates of each array element may be obtained in combination with the spacing between the array elements in the attribute on the basis of obtaining the coordinates of the respective array elements in the second base row and the second base column.
And S102-4, the control module respectively negates the X value and the Y value in the coordinate of each array element in the first basic row to obtain the coordinate of each array element in the third basic row.
Wherein the third base row is a row of the third quadrant ceiling near the X-axis.
S102-5, the control module respectively negates the X value and the Y value in the coordinate of each array element in the first basic column to obtain the coordinate of each array element in the third basic column.
Wherein the third base column is a column of the third quadrant ceiling that is near the Y-axis.
Referring to fig. 8, fig. 8 is a schematic diagram illustrating coordinate transformation from R1 to R3.
And S102-6, the control module determines the coordinates of each array element in the top plate of the third quadrant according to the third basic row and the third basic column.
Alternatively, the coordinates of each array element may be obtained in combination with the spacing between the array elements in the attribute on the basis of obtaining the coordinates of the respective array elements in the third base row and the third base column.
And S102-7, the control module inverts the X value in the coordinate of each array element in the first basic row, and exchanges the inverted X value with the Y value to obtain the coordinate of each array element in the fourth basic row.
And the fourth basic column is a column of the top plate of the fourth quadrant close to the Y axis.
And S102-8, the control module exchanges the Y value and the X value in the coordinate of each array element in the first basic column to obtain the coordinate of each array element in the fourth basic row.
Wherein the fourth base row is a row of the fourth quadrant ceiling that is near the X-axis.
Referring to fig. 9, fig. 9 is a schematic diagram illustrating coordinate transformation from R1 to R4.
And S102-9, the control module determines the coordinates of each array element in the top plate of the fourth quadrant according to the fourth basic row and the fourth basic column.
Alternatively, the coordinates of each array element may be obtained in combination with the spacing between the array elements in the attribute on the basis of obtaining the coordinates of the respective array elements in the fourth base row and the fourth base column.
Optionally, the antenna board module in this embodiment of the present application is a receiving antenna board R or a transmitting antenna board T.
In the embodiment of the application, taking 4R/4T as an example, the structure diagram of the distribution of the whole machine is shown in fig. 1. The antenna comprises 8 single boards and an antenna control module, 4 groups of transmitting (T) single boards and 4 groups of receiving (R) single boards, and an antenna control module (ACU). The T/R antenna panels 1 to 4 are rotated counterclockwise from the upper right corner plate R1 or T1. The control module ACU needs to be placed between the two antenna board modules, so as to achieve better function control and step line. The array element coordinates of the T group and the R group of antenna plates are relative coordinates, the origin of the coordinates of the T group and the R group of antenna plates does not need to be at one position, and the off-axis angle and the rotation angle of the left array element and the right array element are consistent only by the consistency of the X axis and the Y axis.
Referring to fig. 1, fig. 1 is a schematic diagram of a phased array antenna according to an embodiment of the present application, where the phased array antenna may alternatively perform the above-mentioned automatic array splicing method.
The phased array antenna comprises a control module and an antenna plate module, wherein the antenna plate module comprises a basic antenna plate and at least one other antenna plate, the control module is respectively connected with each antenna plate, and the attributes of each antenna plate are the same;
the control module is used for determining a strategy according to the attribute and the origin of the basic antenna board to obtain the corresponding coordinates of each array element on the basic antenna board;
the attributes comprise the distance between adjacent array elements in the same row or the same column on the antenna board and the distance between a boundary array element and the frame of the antenna board, the boundary array element is the outermost array element on the antenna board, and an origin point determining strategy is used for taking one corner of four corners of the basic antenna board as the origin point of a coordinate system;
the control module is used for acquiring coordinates corresponding to each array element on other antenna boards according to the splicing relation between the other antenna boards and the basic antenna board;
the control module is used for respectively sending the coordinate, the current off-axis angle and the current rolling angle of each array element to the corresponding antenna plate;
and each antenna board is used for respectively calculating the standard phase of each array element according to the received coordinate, the current off-axis angle and the current rolling angle of each array element so as to complete the array splicing.
Optionally, the origin determining strategy is used to use the lower left corner of the basic antenna board as the origin of the coordinate system, where the other antenna boards include a second quadrant ceiling, and the second quadrant ceiling is spliced with the left boundary of the basic antenna board;
the control module is further used for exchanging an X value and a Y value in the coordinate of each array element in the first basic row with each other to obtain the coordinate of each array element in a second basic column, wherein the first basic row is a row close to an X axis in the basic antenna plate, and the second basic column is a column close to a Y axis in the second quadrant top plate;
the control module is further configured to invert a Y value in the coordinate of each array element in the first base row, and exchange the inverted Y value with the X value to obtain a coordinate of each array element in the second base row, where the first base row is a row close to the Y axis in the base antenna panel, and the second base row is a row close to the X axis in the second quadrant ceiling;
the control module is further configured to determine coordinates of each array element in the second quadrant ceiling based on the second base row and the second base column.
Optionally, the other antenna boards further include a third quadrant ceiling, and the third quadrant ceiling is spliced with the top corner of the lower left corner of the base antenna board;
the control module is further used for respectively negating the X value and the Y value in the coordinate of each array element in the first basic row to obtain the coordinate of each array element in a third basic row, wherein the third basic row is a row of which the top plate of a third quadrant is close to the X axis;
the control module is further used for respectively negating the X value and the Y value in the coordinate of each array element in the first basic column to obtain the coordinate of each array element in a third basic column, wherein the third basic column is a column close to the Y axis in a third quadrant top plate;
the control module is further configured to determine coordinates of each array element in the third quadrant ceiling based on the third base row and the third base column.
Optionally, the other antenna boards further include a fourth quadrant top board, and the fourth quadrant top board is spliced with the lower boundary of the base antenna board;
the control module is further used for negating an X value in the coordinate of each array element in the first basic row and exchanging the negated X value with a Y value to obtain the coordinate of each array element in a fourth basic column, wherein the fourth basic column is a column with a fourth quadrant top plate close to the Y axis;
the control module is further used for interchanging a Y value and an X value in the coordinate of each array element in the first basic column to obtain the coordinate of each array element in a fourth basic row, wherein the fourth basic row is one row close to the X axis in a fourth quadrant top plate;
the control module is further configured to determine coordinates of each array element in the top plate of the fourth quadrant according to the fourth base row and the fourth base column.
Optionally, the antenna board module is a receiving antenna board or a transmitting antenna board.
It should be noted that the phased array antenna provided in this embodiment may execute the method flows shown in the above method flow embodiments to achieve the corresponding technical effects. For the sake of brevity, the corresponding contents in the above embodiments may be referred to where not mentioned in this embodiment.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus embodiments described above are merely illustrative, and for example, the flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present application. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. 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 involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present application may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part.
The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. 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 and including instructions for causing 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 other various media capable of storing program codes.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (10)
1. An automatic array splicing method for a phased array antenna is applied to the phased array antenna, the phased array antenna comprises a control module and an antenna board module, the antenna board module comprises a basic antenna board and at least one other antenna board, the control module is respectively connected with each antenna board, the attribute of each antenna board is the same, and the method comprises the following steps:
the control module obtains a coordinate corresponding to each array element on the basic antenna board according to the attribute and the origin point determination strategy of the basic antenna board;
the attributes comprise the distance between adjacent array elements in the same row or the same column on the antenna board and the distance between a boundary array element and the frame of the antenna board, the boundary array element is the outermost array element on the antenna board, and the origin point determining strategy is used for taking one of four corners of the basic antenna board as the origin point of a coordinate system;
the control module acquires coordinates corresponding to each array element on other antenna boards according to the splicing relation between the other antenna boards and the basic antenna board;
the control module respectively sends the coordinates, the current off-axis angle and the current rolling angle of each array element to the corresponding antenna boards;
and each antenna board respectively calculates the standard phase of each array element according to the received coordinate, the current off-axis angle and the current rolling angle of each array element so as to complete the array splicing.
2. The phased array antenna auto-tiling method of claim 1, wherein the origin determination strategy is used to take the bottom left corner of the base antenna panel as the origin of a coordinate system, and other antenna panels comprise a second quadrant ceiling, the second quadrant ceiling being tiled to the left boundary of the base antenna panel;
the control module obtains the corresponding coordinate of each array element on other antenna boards according to the splicing relation between other antenna boards and the basic antenna board, and the method comprises the following steps:
the control module exchanges an X value and a Y value in a coordinate of each array element in a first basic row with each other to obtain a coordinate of each array element in a second basic column, wherein the first basic row is one row close to an X axis in the basic antenna plate, and the second basic column is one column close to a Y axis of a second quadrant top plate;
the control module is used for negating a Y value in a coordinate of each array element in a first basic row, and interchanging the negated Y value and an X value to obtain a coordinate of each array element in a second basic row, wherein the first basic row is a row close to a Y axis in the basic antenna plate, and the second basic row is a row close to an X axis in the second quadrant top plate;
the control module determines coordinates of each array element in the second quadrant ceiling according to the second base row and the second base column.
3. The phased array antenna automatic array splicing method according to claim 2, wherein other antenna plates further comprise a third quadrant ceiling, and the third quadrant ceiling is spliced with the top angle of the lower left corner of the basic antenna plate;
the control module obtains the step of the coordinate that each array element corresponds on other antenna boards according to other antenna boards with the concatenation relation of basic antenna board, still includes:
the control module respectively negating an X value and a Y value in the coordinate of each array element in the first basic row to obtain the coordinate of each array element in a third basic row, wherein the third basic row is a row of the third quadrant top plate close to the X axis;
the control module respectively negating an X value and a Y value in the coordinate of each array element in the first basic column to obtain the coordinate of each array element in a third basic column, wherein the third basic column is a column close to the Y axis in the third quadrant top plate;
the control module determines coordinates of each array element in the third quadrant ceiling according to the third base row and the third base column.
4. The phased array antenna auto-tiling method of claim 3, wherein other antenna panels further comprise a fourth quadrant ceiling, said fourth quadrant ceiling being tiled with the lower boundary of said base antenna panel;
the control module obtains the step of the coordinate that each array element corresponds on other antenna boards according to other antenna boards with the concatenation relation of basic antenna board, still includes:
the control module is used for negating an X value in the coordinate of each array element in the first basic row and exchanging the negated X value with a Y value to obtain the coordinate of each array element in a fourth basic column, wherein the fourth basic column is a column of the fourth quadrant top plate close to the Y axis;
the control module exchanges a Y value and an X value in the coordinate of each array element in the first basic column with each other to obtain the coordinate of each array element in a fourth basic row, wherein the fourth basic row is one row close to an X axis in a top plate of a fourth quadrant;
the control module determines coordinates of each array element in the top plate of the fourth quadrant according to the fourth basic row and the fourth basic column.
5. The phased array antenna auto-tiling method of claim 1, wherein the antenna board module is a receive antenna board or a transmit antenna board.
6. The phased array antenna is characterized by comprising a control module and an antenna board module, wherein the antenna board module comprises a basic antenna board and at least one other antenna board, the control module is respectively connected with each antenna board, and the attributes of each antenna board are the same;
the control module is used for determining a strategy according to the attribute and the origin of the basic antenna board to obtain the coordinate corresponding to each array element on the basic antenna board;
the attributes comprise the distance between adjacent array elements in the same row or the same column on the antenna board and the distance between a boundary array element and the frame of the antenna board, the boundary array element is the outermost array element on the antenna board, and the origin point determining strategy is used for taking one of four corners of the basic antenna board as the origin point of a coordinate system;
the control module is used for acquiring coordinates corresponding to each array element on other antenna boards according to the splicing relation between the other antenna boards and the basic antenna board;
the control module is used for respectively sending the coordinate, the current off-axis angle and the current rolling angle of each array element to the corresponding antenna plate;
and each antenna board is used for respectively calculating the standard phase of each array element according to the received coordinate, the current off-axis angle and the current rolling angle of each array element so as to complete the array splicing.
7. The phased array antenna of claim 6, wherein the origin determination strategy is used to take a bottom left corner of the base antenna plate as an origin of a coordinate system, the other antenna plates comprising a second quadrant ceiling, the second quadrant ceiling being spliced to a left boundary of the base antenna plate;
the control module is further configured to exchange an X value and a Y value in a coordinate of each array element in a first base row with each other to obtain a coordinate of each array element in a second base column, where the first base row is a row close to an X axis in the base antenna panel, and the second base column is a column close to a Y axis of the second quadrant ceiling;
the control module is further configured to invert a Y value in a coordinate of each array element in a first base column, and exchange the inverted Y value with an X value to obtain a coordinate of each array element in a second base row, where the first base column is a column close to a Y axis in the base antenna panel, and the second base row is a row close to an X axis in the second quadrant ceiling;
the control module is further configured to determine coordinates of each array element in the second quadrant ceiling according to the second base row and the second base column.
8. The phased array antenna of claim 7, wherein the other antenna panels further comprise a third quadrant ceiling, the third quadrant ceiling being corner-spliced to a lower left corner apex of the base antenna panel;
the control module is further configured to respectively negate an X value and a Y value in the coordinate of each array element in the first base row to obtain a coordinate of each array element in a third base row, where the third base row is a row of the third quadrant ceiling near the X axis;
the control module is further configured to respectively negate an X value and a Y value in the coordinate of each array element in the first base column to obtain a coordinate of each array element in a third base column, where the third base column is a column close to the Y axis in the third quadrant ceiling;
the control module is further configured to determine coordinates of each array element in the third quadrant ceiling according to the third base row and the third base column.
9. The phased array antenna of claim 8, wherein the other antenna plates further comprise a fourth quadrant ceiling, said fourth quadrant ceiling being joined to a lower boundary of said base antenna plate;
the control module is further configured to negate an X value in the coordinate of each array element in the first base row, and exchange the negated X value with the Y value to obtain a coordinate of each array element in a fourth base column, where the fourth base column is a column of the fourth quadrant top plate near the Y axis;
the control module is further configured to interchange a Y value and an X value in the coordinate of each array element in the first base column to obtain a coordinate of each array element in a fourth base row, where the fourth base row is one row close to the X axis in the top plate of the fourth quadrant;
the control module is further configured to determine coordinates of each array element in the fourth quadrant ceiling according to the fourth base row and the fourth base column.
10. The phased array antenna of claim 6, wherein the antenna board module is a receive antenna board or a transmit antenna board.
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