CN109376386B - Antenna model construction method and device and vehicle-mounted antenna model construction method - Google Patents
Antenna model construction method and device and vehicle-mounted antenna model construction method Download PDFInfo
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- CN109376386B CN109376386B CN201811093958.4A CN201811093958A CN109376386B CN 109376386 B CN109376386 B CN 109376386B CN 201811093958 A CN201811093958 A CN 201811093958A CN 109376386 B CN109376386 B CN 109376386B
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Abstract
The invention relates to a method for constructing an antenna model, a method for constructing a vehicle-mounted antenna model, a device, computer equipment and a storage medium, wherein the method for constructing the antenna model comprises the following steps: the method comprises the steps of determining the structural characteristics of the vehicle-mounted antenna, extracting a plurality of characteristic points of the antenna according to the structural characteristics, calculating the position coordinates of the characteristic points according to the positions of the characteristic points in the antenna, and finally connecting the characteristic points according to the position coordinates to construct an antenna model, so that the antenna model can be connected based on the characteristic points of the antenna and combined with the position coordinates of the characteristic points to construct the antenna model, the construction process of the antenna model is simplified, the construction efficiency of the antenna model is improved, and the accuracy of the constructed antenna model can be guaranteed.
Description
Technical Field
The present invention relates to the field of antenna technologies, and in particular, to a method and an apparatus for constructing an antenna model, a method and an apparatus for constructing a vehicle-mounted antenna model, a computer device, and a computer-readable storage medium.
Background
With the rapid development of electronic and communication technologies, antennas for receiving and transmitting wireless signals are widely used in various devices or systems, and designing antennas with good performance is beneficial to ensuring the quality of communication. Taking a vehicle-mounted facility as an example, the vehicle-mounted facility gradually develops towards diversification, such as a radio system, a navigation system, a multimedia system and the like are adopted, and a vehicle-mounted antenna is taken as a key device for communicating the inside of a vehicle with the outside, and the optimal design and modeling of the vehicle-mounted antenna are important means for ensuring good communication quality between the inside of the vehicle and the outside.
The traditional technology is generally based on 3D modeling software such as Catia, CAD and Pro/E, and the like, and the modeling software has high precision requirements on design parameters such as geometric dimension, curve slope and the like of an antenna model, and the antenna design and modeling process are complex, so that the efficiency of constructing the antenna model is low.
Disclosure of Invention
Therefore, it is necessary to provide an antenna model building method, an antenna model building apparatus, a vehicle-mounted antenna model building method, a vehicle-mounted antenna model building apparatus, a computer device, and a computer-readable storage medium, for solving the technical problem of low efficiency in building an antenna model in the conventional technology.
A method for constructing an antenna model comprises the following steps:
determining structural characteristics of the antenna;
extracting a plurality of characteristic points of the antenna according to the structural characteristics;
calculating the coordinates of each characteristic point according to the position of each characteristic point in the antenna;
and connecting the characteristic points according to the coordinates of the characteristic points to construct an antenna model of the antenna.
An antenna model construction apparatus, comprising:
a determining module for determining structural characteristics of the antenna;
the extraction module is used for extracting a plurality of feature points of the antenna according to the structural features;
the calculation module is used for calculating the coordinates of each characteristic point according to the position of each characteristic point in the antenna;
and the building module is used for connecting the characteristic points according to the coordinates of the characteristic points to build an antenna model of the antenna.
A method for constructing a vehicle-mounted antenna model comprises the following steps:
determining structural characteristics of the vehicle-mounted antenna;
extracting a plurality of feature points of the vehicle-mounted antenna according to the structural features;
calculating the three-dimensional coordinates of each characteristic point according to the position of each characteristic point in the vehicle-mounted antenna;
and connecting the characteristic points according to the three-dimensional coordinates of the characteristic points to construct an antenna model of the vehicle-mounted antenna.
An apparatus for constructing a vehicle-mounted antenna model, comprising:
the structural characteristic determining module is used for determining the structural characteristics of the vehicle-mounted antenna;
the characteristic point extraction module is used for extracting a plurality of characteristic points of the vehicle-mounted antenna according to the structural characteristics;
the three-dimensional coordinate calculation module is used for calculating the three-dimensional coordinates of the characteristic points according to the positions of the characteristic points in the vehicle-mounted antenna;
and the antenna model building module is used for connecting the characteristic points according to the three-dimensional coordinates of the characteristic points to build an antenna model of the vehicle-mounted antenna.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
determining structural characteristics of the antenna;
extracting a plurality of characteristic points of the antenna according to the structural characteristics;
calculating the coordinates of each characteristic point according to the position of each characteristic point in the antenna;
and connecting the characteristic points according to the coordinates of the characteristic points to construct an antenna model of the antenna.
A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
determining structural characteristics of the vehicle-mounted antenna;
extracting a plurality of feature points of the vehicle-mounted antenna according to the structural features;
calculating the three-dimensional coordinates of each characteristic point according to the position of each characteristic point in the vehicle-mounted antenna;
and connecting the characteristic points according to the three-dimensional coordinates of the characteristic points to construct an antenna model of the vehicle-mounted antenna.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
determining structural characteristics of the antenna;
extracting a plurality of characteristic points of the antenna according to the structural characteristics;
calculating the coordinates of each characteristic point according to the position of each characteristic point in the antenna;
and connecting the characteristic points according to the coordinates of the characteristic points to construct an antenna model of the antenna.
A computer-readable storage medium, on which a computer program is stored which, when executed by a processor, carries out the steps of:
determining structural characteristics of the vehicle-mounted antenna;
extracting a plurality of feature points of the vehicle-mounted antenna according to the structural features;
calculating the three-dimensional coordinates of each characteristic point according to the position of each characteristic point in the vehicle-mounted antenna;
and connecting the characteristic points according to the three-dimensional coordinates of the characteristic points to construct an antenna model of the vehicle-mounted antenna.
The antenna model building method, the antenna model building device, the vehicle-mounted antenna model building method, the vehicle-mounted antenna model building device, the computer equipment and the computer readable storage medium determine the structural characteristics of the antenna, extract a plurality of characteristic points of the antenna according to the structural characteristics, calculate the position coordinates of each characteristic point according to the positions of the characteristic points in the antenna, and finally connect the characteristic points according to the position coordinates to build the antenna model.
Drawings
FIG. 1 is a schematic flow chart diagram illustrating a method for constructing an antenna model according to an embodiment;
FIG. 2 is a schematic diagram of characteristic points of an antenna in one embodiment;
FIG. 3 is a schematic diagram of a portion of a feature point connection of an antenna in one embodiment;
FIG. 4 is a schematic diagram of the connection of all the characteristic points of the antenna in one embodiment;
FIG. 5 is a front view of an antenna model in one embodiment;
FIG. 6 is a side view of a model of an antenna in one embodiment;
FIG. 7 is a diagram illustrating an S11 curve of an antenna model in one embodiment;
FIG. 8 is a 2D pattern in the horizontal operating band of an antenna model in one embodiment;
FIG. 9 is a 2D pattern in the operating band in the vertical direction for the antenna model in one embodiment;
FIG. 10 is a flowchart illustrating a method for constructing a vehicle-mounted antenna model according to an embodiment;
FIG. 11 is a block diagram showing an apparatus for constructing an antenna model according to an embodiment;
FIG. 12 is a block diagram showing an apparatus for constructing a vehicle-mounted antenna model according to an embodiment;
FIG. 13 is a diagram illustrating an internal structure of a computer device according to an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In an embodiment, a method for constructing an antenna model is provided, and referring to fig. 1, fig. 1 is a flowchart illustrating a method for constructing an antenna model in an embodiment, where the method for constructing an antenna model may be executed by a computer device such as a personal computer, and the method may include the following steps:
step S101, determining the structural characteristics of the antenna.
The antenna is a radiating unit with electromagnetic wave transmitting and receiving capabilities, and the structure of the antenna is different according to different purposes of the antenna, for example, the vehicle-mounted antenna is a printed metal wire antenna, is usually installed in automobile windshield glass, and belongs to a glass invisible antenna. The structural characteristics of the antenna refer to characteristics that can be used to characterize the structure of the antenna, such as whether the antenna has an inflection point, whether it has a junction point, whether it has an important face, such as a face of a base of a horn wire or a face of a horn wall, and the like. The step can determine the structural characteristics of the antenna before modeling the antenna, so that the antenna can be conveniently modeled according to the structural characteristics.
And S102, extracting a plurality of characteristic points of the antenna according to the structural characteristics.
The method mainly includes extracting a plurality of feature points of the antenna according to structural features of the antenna, where the feature points refer to key points of the antenna, and the main features of the antenna are often reflected by the feature points, and the feature points of the antenna may be a start point, a middle point, a turning point join point, an end point, or the like of the antenna, and the points may also be determined according to a feature plane of a main body of the antenna, such as a plane of a base of a horn wire or a plane of a horn wall, and for example, a plurality of feature points for characterizing the feature plane may be extracted according to the structural features of the feature plane of the antenna.
And step S103, calculating the coordinates of each characteristic point according to the position of each characteristic point in the antenna.
The step mainly calculates the position coordinates of each characteristic point, the antenna is usually of a three-dimensional structure, and the step can calculate the three-dimensional coordinates of each characteristic point according to the position of each characteristic point in the antenna. The coordinate of the starting point can be used as the starting point, the coordinate of the starting point is used as the origin coordinate, a corresponding three-dimensional coordinate system is established, and the relative position relation between each characteristic point and the starting point is determined according to the position of each characteristic point in the antenna, so that the coordinate value of each characteristic point is calculated.
And step S104, connecting the characteristic points according to the coordinates of the characteristic points to construct an antenna model of the antenna.
The method mainly comprises the step of connecting all characteristic points to construct an antenna model. After the coordinates of the characteristic points are determined, the characteristic points can be connected according to the coordinates, and the model of the antenna can be obtained after the connection operation of the characteristic points is completed.
Particularly, the characteristic points can be connected in sequence according to the coordinates of the characteristic points and the specific structure of the antenna, and in order to enable the connection between the characteristic points to be smoother, the characteristic points can be connected by adopting a curve to obtain an antenna model.
According to the method for constructing the antenna model, the structural characteristics of the antenna are determined, the plurality of characteristic points of the antenna are extracted according to the structural characteristics, the position coordinates of the characteristic points are calculated according to the positions of the characteristic points in the antenna, and finally the characteristic points are connected according to the position coordinates to construct the antenna model.
In one embodiment, the step of extracting a plurality of feature points of the antenna from the structural features may include:
segmenting the antenna according to the structural characteristics of the antenna to obtain a multi-segment antenna structure; and extracting a plurality of characteristic points from each section of antenna structure according to the structure type of each section of antenna structure.
In this embodiment, before extracting the feature points, the antennas may be segmented, and then the feature points may be extracted from the multiple antennas. Wherein, can carry out the segmentation with the antenna according to the structural feature of antenna, for example the structural feature of antenna includes that the important face is like the face of the base of loudspeaker electric wire, then can divide into one section with the face of this base, if the structural feature of antenna includes that important S type walks the line again, then can divide into one section with this S type line, thereby obtain multistage antenna structure, it is favorable to dividing a plurality of characteristics of antenna on the one hand to carry out the segmentation with the antenna, on the other hand also is favorable to processing unit of difference with the extraction task allocation of the characteristic point of antenna, improve the extraction efficiency of characteristic point.
After the antenna is segmented to obtain a multi-segment antenna structure, the structure type of each segment antenna structure may be determined, where the structure type may include a point, a line, and/or a plane, and then a plurality of corresponding feature points are extracted from each segment antenna structure according to different structure types, for example, if the structure type is a point, the point may be set as a feature point, if the structure type is a line, a midpoint, a quarter point, a start point, and an end point of the line may be set as feature points, and if the structure type is a plane, a point representing the plane, such as a start point, a midpoint, a turning point, or an end point, may be set as a feature point. The antenna structure is segmented according to the structural characteristics of the antenna, the antenna structure can be further accurately subdivided into a plurality of sections of antenna structures, and then the characteristic points are respectively extracted from each section of antenna structure.
In one embodiment, the step of calculating the coordinates of each feature point according to the position of each feature point in the antenna may include:
acquiring size parameters of an antenna; determining the position of the characteristic point in the antenna; and calculating the coordinates of each characteristic point according to the size parameters of the antenna and the positions of the characteristic points in the antenna.
The embodiment mainly calculates the position coordinates of the characteristic points according to the size parameters of the antenna and the positions of the characteristic points in the antenna. Specifically, parameters such as the size of the antenna, the length of the line segment therein, and the like, of the antenna may be obtained, and then the position of the characteristic point in the antenna, such as the position of the turning point, the position of the connecting point, and the like, may be determined. The antenna may be segmented, and then the start point, the middle point, and the end point of the antenna are taken as feature points, so as to determine the positions of the feature points on the antenna. Referring to fig. 2, fig. 2 is a schematic diagram of characteristic points of an antenna in an embodiment, where S1 to S19 represent positions of the respective characteristic points in a two-dimensional plane (i.e., an X-Y plane), and finally, coordinates of the respective characteristic points may be calculated according to size parameters of the antenna and the positions of the characteristic points, where the calculated three-dimensional coordinates (X-Y-Z) of the respective characteristic points are shown in table 1, and table 1 is coordinates of positions of the characteristic points of the antenna.
TABLE 1 location coordinates of antenna feature points
According to the method and the device, the three-dimensional coordinates of each characteristic point can be calculated according to the actual size of the antenna and the positions of the characteristic points on the antenna, a user can input the data of the position coordinates into a corresponding software program to perform modeling operation on the antenna, and a data basis is provided for quickly and accurately constructing an antenna model.
In one embodiment, the step of constructing the antenna model of the antenna by connecting the feature points according to the coordinates of the feature points may include:
grouping all the feature points to obtain a plurality of groups of feature point sets; connecting the characteristic points in each characteristic point set through a curve according to the coordinates of each characteristic point to obtain a plurality of groups of characteristic lines; and connecting the characteristic lines to obtain an antenna model.
Before connecting the feature points, the feature points may be connected in groups to obtain an antenna model. The antenna model is divided into a plurality of groups of characteristic points according to the actual structure of the antenna, wherein the characteristic points can be grouped according to a certain sequence to obtain a plurality of groups of characteristic point sets, each group of characteristic points are connected through curves according to the position coordinates of the characteristic points to obtain a plurality of groups of characteristic lines, each group of characteristic lines are line segments formed after the characteristic points of each group of characteristic point sets are connected, the purpose of processing is to firstly connect the antenna model in sections to avoid connection errors easily caused by directly connecting all the characteristic points, and after the plurality of groups of characteristic lines are obtained through section connection, each group of characteristic lines can be connected according to the actual structure of the antenna to obtain the antenna model.
Specifically, after determining the specific coordinates of the feature points, the feature points may be grouped in a certain order, that is, the entire antenna model to be modeled is divided into small segments to facilitate subsequent modeling processing, and referring to fig. 3, fig. 3 is a schematic diagram of connecting some feature points of the antenna in one embodiment, three feature points S1, S2, and S5 may be sequentially connected by curves to form feature lines of S1-S2-S5, similarly, the remaining feature points may be grouped, and the end point of the previous group is used as the start point of the next group, each small segment feature line forms a coincident point with the previous group or the next group to facilitate combination into a complete antenna model, referring to fig. 4, fig. 4 is a schematic diagram of connecting all feature points of the antenna in one embodiment, S1, S2, S5 may be connected by curves, S3, S4, S5 are connected by curves, s5, S6, S7 are connected by curves, S7, S8, S9 are connected by curves, S9, S10, S11 are connected by curves, S11, S12, S13 are connected by curves, S13, S14, S15 are connected by curves, S15, S16, S17 are connected by curves, S17, S18, S19 are connected by curves, these curve segments constitute the whole antenna model, in the process of forming the antenna model, a point marker for marking a characteristic point as shown in fig. 4, such as S1, may be removed, thereby obtaining the antenna model as shown in fig. 5, fig. 5 is a front view of the antenna model in one embodiment. While the antenna model is a three-dimensional structure, fig. 6 shows a side view of the antenna model, fig. 6 is a side view of the antenna model in one embodiment, and for the sake of completely showing the structure of the antenna model, 600a and 600b in fig. 6 indicate side views of the antenna model at different viewing angles, respectively.
In one embodiment, the method may further include the steps of:
performing electromagnetic simulation processing on the antenna model to obtain an electromagnetic simulation result; and acquiring the performance parameters of the antenna according to the electromagnetic simulation result.
The method mainly includes performing electromagnetic simulation on the constructed antenna model and obtaining corresponding performance parameters of the antenna model, wherein the constructed antenna model can be simulated through electromagnetic simulation software to obtain an electromagnetic simulation result, and therefore the corresponding performance parameters are obtained according to the electromagnetic simulation result so as to provide data reference for designing and adjusting the antenna model.
Taking the antenna model shown in fig. 5 as an example, as shown in fig. 7, which shows a corresponding S11 curve diagram, fig. 7 is an S11 curve diagram of the antenna model in an embodiment, and S11 is mainly used for representing return loss characteristics, as can be seen from fig. 7, the antenna has a low return loss value in the vicinity of a frequency of 500MHz, fig. 8 and 9 show 2D patterns of the antenna in the horizontal direction and the vertical direction of the frequency of 500MHz, respectively, where fig. 8 is a 2D pattern in an operating frequency band of the antenna model in the horizontal direction in an embodiment, and fig. 9 is a 2D pattern in an operating frequency band of the antenna model in the vertical direction in an embodiment. As can be seen from FIGS. 8 and 9, the gain of the antenna is not lower than-6.5 dB and reaches 5.35dB at the frequency of 500MHz, and the 3dB bandwidth of the antenna reaches 101.7 degrees. The performance parameters obtained by the antenna model simulation are beneficial to adjusting the structure of the antenna so as to ensure that the antenna with good performance is designed.
In an embodiment, a method for constructing a vehicle-mounted antenna model is provided, and referring to fig. 10, fig. 10 is a schematic flowchart of a method for constructing a vehicle-mounted antenna model in an embodiment, where the method may include the following steps:
step S401, determining the structural characteristics of the vehicle-mounted antenna.
The vehicle-mounted antenna is a printed metal wire antenna, is usually installed in automobile windshield glass, and belongs to a glass invisible antenna. The structural characteristics of the vehicle-mounted antenna refer to characteristics that can be used to characterize the structure of the vehicle-mounted antenna, such as whether the vehicle-mounted antenna has an inflection point, whether the vehicle-mounted antenna has a junction point, whether the vehicle-mounted antenna has an important surface, such as a surface of a base of a horn wire or a surface of a horn wall. The structural characteristics of the vehicle-mounted antenna can be determined before modeling is carried out on the vehicle-mounted antenna, so that the vehicle-mounted antenna can be conveniently modeled according to the structural characteristics.
Step S402, extracting a plurality of characteristic points of the vehicle-mounted antenna according to the structural characteristics.
The method mainly includes extracting a plurality of feature points of the vehicle-mounted antenna according to structural features of the vehicle-mounted antenna, wherein the feature points refer to key points of the vehicle-mounted antenna, main features of the vehicle-mounted antenna can be reflected through the feature points, the feature points of the vehicle-mounted antenna can be a starting point, a middle point, a turning point connecting point or an end point and the like of the vehicle-mounted antenna, the points can be determined according to a feature plane of a main body of the vehicle-mounted antenna, such as a plane of a base of a horn wire or a plane of a horn wall, and the like, and for example, a plurality of feature points used for representing the feature plane can be extracted according to the structural features of the feature plane of the.
And step S403, calculating the three-dimensional coordinates of each characteristic point according to the position of each characteristic point in the vehicle-mounted antenna.
The step mainly includes calculating position coordinates of each characteristic point, the vehicle-mounted antenna is usually of a three-dimensional structure, and the step can calculate the three-dimensional coordinates of each characteristic point according to the position of each characteristic point in the vehicle-mounted antenna. The starting point of the vehicle-mounted antenna can be used as the starting point, the coordinates of the starting point are used as the origin coordinates, a corresponding three-dimensional coordinate system is established, and the relative position relation between each characteristic point and the starting point is determined according to the position of each characteristic point in the vehicle-mounted antenna, so that the coordinate values of each characteristic point are calculated.
And S404, connecting the characteristic points according to the three-dimensional coordinates of the characteristic points to construct an antenna model of the vehicle-mounted antenna.
The method mainly comprises the step of connecting all the characteristic points to construct a model of the vehicle-mounted antenna. After the coordinates of the characteristic points are determined, the characteristic points can be connected according to the coordinates, and the model of the vehicle-mounted antenna can be obtained after the connection operation of the characteristic points is completed.
Particularly, the characteristic points can be connected in sequence according to the coordinates of the characteristic points and the specific structure of the antenna, and in order to enable the connection between the characteristic points to be smoother, the characteristic points can be connected by adopting a curve, so that a model of the vehicle-mounted antenna is obtained.
The method for constructing the vehicle-mounted antenna model determines the structural characteristics of the vehicle-mounted antenna, extracts the multiple characteristic points of the vehicle-mounted antenna according to the structural characteristics, calculates the position coordinates of the characteristic points according to the positions of the characteristic points in the vehicle-mounted antenna, and finally connects the characteristic points according to the position coordinates to construct the vehicle-mounted antenna model.
In an embodiment, an antenna model constructing apparatus is provided, and referring to fig. 11, fig. 11 is a block diagram of an antenna model constructing apparatus in an embodiment, where the apparatus may include:
a determining module 101, configured to determine structural characteristics of an antenna;
an extraction module 102, configured to extract a plurality of feature points of an antenna according to the structural features;
a calculating module 103, configured to calculate coordinates of each feature point according to a position of each feature point in the antenna;
and a building module 104, configured to connect the feature points according to the coordinates of the feature points to build an antenna model of the antenna.
In one embodiment, the extraction module 102 is further configured to:
segmenting the antenna according to the structural characteristics of the antenna to obtain a multi-segment antenna structure; and extracting a plurality of characteristic points from each section of antenna structure according to the structure type of each section of antenna structure.
In one embodiment, the calculation module 103 is further configured to:
acquiring size parameters of an antenna; determining the position of the characteristic point in the antenna; and calculating the coordinates of each characteristic point according to the size parameters of the antenna and the positions of the characteristic points in the antenna.
In one embodiment, the build module 104 is further configured to:
grouping all the feature points to obtain a plurality of groups of feature point sets; connecting the characteristic points in each characteristic point set through a curve according to the coordinates of each characteristic point to obtain a plurality of groups of characteristic lines; and connecting the characteristic lines to obtain an antenna model.
In one embodiment, the method may further include:
the result obtaining unit is used for performing electromagnetic simulation processing on the antenna model to obtain an electromagnetic simulation result;
and the parameter acquisition unit is used for acquiring the performance parameters of the antenna according to the electromagnetic simulation result.
The antenna model building device and the antenna model building method of the present invention correspond to each other one-to-one, and for specific limitations of the antenna model building device, reference may be made to the above limitations on the antenna model building method. The modules in the antenna model building device can be wholly or partially implemented by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In an embodiment, an apparatus for constructing a vehicle-mounted antenna model is provided, and referring to fig. 12, fig. 12 is a block diagram of a structure of the apparatus for constructing a vehicle-mounted antenna model in an embodiment, and the apparatus may include:
a structural feature determination module 401, configured to determine a structural feature of the vehicle-mounted antenna;
a feature point extraction module 402, configured to extract a plurality of feature points of the vehicle-mounted antenna according to the structural features;
a three-dimensional coordinate calculation module 403, configured to calculate three-dimensional coordinates of each feature point according to a position of each feature point in the vehicle-mounted antenna;
and an antenna model constructing module 404, configured to connect the feature points according to the three-dimensional coordinates of the feature points to construct an antenna model of the vehicle-mounted antenna.
The device for constructing the vehicle-mounted antenna model of the present invention corresponds to the method for constructing the vehicle-mounted antenna model of the present invention, and for the specific limitations of the device for constructing the vehicle-mounted antenna model, reference may be made to the limitations on the method for constructing the vehicle-mounted antenna model in the above description. The modules in the device for constructing the vehicle-mounted antenna model can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, the computer device may be a terminal such as a personal computer, and its internal structure diagram may be as shown in fig. 13, and fig. 13 is an internal structure diagram of the computer device in one embodiment. The computer device includes a processor, a memory, a network interface, a display screen, and an input device connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a method of constructing an antenna model or a method of constructing a vehicle-mounted antenna model. The display screen of the computer equipment can be a liquid crystal display screen or an electronic ink display screen, and the input device of the computer equipment can be a touch layer covered on the display screen, a key, a track ball or a touch pad arranged on the shell of the computer equipment, an external keyboard, a touch pad or a mouse and the like.
Those skilled in the art will appreciate that the architecture shown in fig. 13 is merely a block diagram of some of the structures associated with the inventive arrangements and is not intended to limit the computing devices to which the inventive arrangements may be applied, as a particular computing device may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment, a computer device is provided, comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
determining structural characteristics of the antenna; extracting a plurality of characteristic points of the antenna according to the structural characteristics; calculating the coordinates of each characteristic point according to the position of each characteristic point in the antenna; and connecting the characteristic points according to the coordinates of the characteristic points to construct an antenna model of the antenna.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
segmenting the antenna according to the structural characteristics of the antenna to obtain a multi-segment antenna structure; and extracting a plurality of characteristic points from each section of antenna structure according to the structure type of each section of antenna structure.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
acquiring size parameters of an antenna; determining the position of the characteristic point in the antenna; and calculating the coordinates of each characteristic point according to the size parameters of the antenna and the positions of the characteristic points in the antenna.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
grouping all the feature points to obtain a plurality of groups of feature point sets; connecting the characteristic points in each characteristic point set through a curve according to the coordinates of each characteristic point to obtain a plurality of groups of characteristic lines; and connecting the characteristic lines to obtain an antenna model.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
performing electromagnetic simulation processing on the antenna model to obtain an electromagnetic simulation result; and acquiring the performance parameters of the antenna according to the electromagnetic simulation result.
In one embodiment, a computer device is provided, comprising a memory, a processor, and a computer program stored on the memory and executable on the processor, the processor implementing the following steps when executing the computer program:
determining structural characteristics of the vehicle-mounted antenna; extracting a plurality of characteristic points of the vehicle-mounted antenna according to the structural characteristics; calculating the three-dimensional coordinates of each characteristic point according to the position of each characteristic point in the vehicle-mounted antenna; and connecting the characteristic points according to the three-dimensional coordinates of the characteristic points to construct an antenna model of the vehicle-mounted antenna.
According to the computer equipment, through the computer program running on the processor, the construction process of the antenna model is simplified, the construction efficiency of the antenna model is improved, and meanwhile the accuracy of the constructed antenna model can be guaranteed.
It will be understood by those skilled in the art that all or part of the processes of implementing the method for constructing an antenna model and the method for constructing a vehicle-mounted antenna model according to any of the above embodiments may be implemented by a computer program, which may be stored in a non-volatile computer-readable storage medium, and when executed, may include the processes of the embodiments of the methods described above. Any reference to memory, storage, databases, or other media used in embodiments provided herein may include non-volatile and/or volatile memory. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
Accordingly, in one embodiment there is provided a computer readable storage medium having a computer program stored thereon, the computer program when executed by a processor implementing the steps of:
determining structural characteristics of the antenna; extracting a plurality of characteristic points of the antenna according to the structural characteristics; calculating the coordinates of each characteristic point according to the position of each characteristic point in the antenna; connecting each characteristic point according to the coordinate of each characteristic point to construct an antenna model of the antenna
In one embodiment, the computer program when executed by the processor further performs the steps of:
segmenting the antenna according to the structural characteristics of the antenna to obtain a multi-segment antenna structure; and extracting a plurality of characteristic points from each section of antenna structure according to the structure type of each section of antenna structure.
In one embodiment, the computer program when executed by the processor further performs the steps of:
acquiring size parameters of an antenna; determining the position of the characteristic point in the antenna; and calculating the coordinates of each characteristic point according to the size parameters of the antenna and the positions of the characteristic points in the antenna.
In one embodiment, the computer program when executed by the processor further performs the steps of:
grouping all the feature points to obtain a plurality of groups of feature point sets; connecting the characteristic points in each characteristic point set through a curve according to the coordinates of each characteristic point to obtain a plurality of groups of characteristic lines; and connecting the characteristic lines to obtain an antenna model.
In one embodiment, the computer program when executed by the processor further performs the steps of:
performing electromagnetic simulation processing on the antenna model to obtain an electromagnetic simulation result; and acquiring the performance parameters of the antenna according to the electromagnetic simulation result.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
determining structural characteristics of the vehicle-mounted antenna; extracting a plurality of characteristic points of the vehicle-mounted antenna according to the structural characteristics; calculating the three-dimensional coordinates of each characteristic point according to the position of each characteristic point in the vehicle-mounted antenna; and connecting the characteristic points according to the three-dimensional coordinates of the characteristic points to construct an antenna model of the vehicle-mounted antenna.
According to the computer-readable storage medium, the stored computer program simplifies the construction process of the antenna model, improves the construction efficiency of the antenna model, and meanwhile can ensure the accuracy of the constructed antenna model.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (1)
1. A method for constructing an antenna model is characterized by comprising the following steps:
determining structural characteristics of the antenna;
extracting a plurality of characteristic points of the antenna according to the structural characteristics; the method comprises the following steps: segmenting the antenna according to the structural characteristics of the antenna to obtain a multi-segment antenna structure; extracting the plurality of characteristic points from each section of the antenna structure according to the structure type of each section of the antenna structure; wherein the structure types comprise points, lines and/or faces;
after the antenna is segmented to obtain a multi-segment antenna structure, determining the structure type of each segment of antenna structure, wherein the structure type comprises points, lines and/or surfaces, extracting a plurality of corresponding characteristic points from each segment of antenna structure according to different structure types, and if the structure type is a point, setting the point as a characteristic point; if the structure type is a line, taking the midpoint, the quarter point, the starting point and the end point of the line as characteristic points; if the structure type is a surface, taking points representing the surface, a starting point, a middle point, a turning point connecting point or an end point as characteristic points;
calculating the coordinates of each characteristic point according to the position of each characteristic point in the antenna; the method comprises the following steps: obtaining a size parameter of the antenna; determining the position of the characteristic point in the antenna; calculating the coordinates of each characteristic point according to the size parameters of the antenna and the positions of the characteristic points in the antenna;
acquiring the actual size of the antenna, including the size of the antenna and the length of a line segment in the antenna; then determining the positions of the characteristic points in the antenna, including the positions of the turning points and the positions of the connecting points; firstly, segmenting the antenna, and then taking a starting point, a middle point and an end point of the antenna as characteristic points so as to determine the positions of the characteristic points on the antenna; finally, calculating the coordinates of each characteristic point according to the size parameters of the antenna and the positions of the characteristic points, and calculating the three-dimensional coordinates of each characteristic point;
connecting the characteristic points according to the coordinates of the characteristic points to construct an antenna model of the antenna; the method comprises the following steps: grouping the characteristic points to obtain a plurality of groups of characteristic point sets; connecting the characteristic points in each characteristic point set through a curve according to the coordinates of each characteristic point to obtain a plurality of groups of characteristic lines; connecting each group of characteristic lines to obtain an antenna model;
after the specific coordinates of the characteristic points are determined, the characteristic points are grouped in sequence, namely, the whole antenna model needing modeling is divided into small sections, three characteristic points S1, S2 and S5 are taken as a group to be sequentially connected by curves to form a characteristic line S1-S2-S5, grouping the rest characteristic points, taking the end point of the previous group as the starting point of the next group, and connecting each small segment of characteristic line with the previous group or the next group to form a coincident point, so as to combine into a complete antenna model, connecting S1, S2 and S5 by curves, connecting S3, S4 and S5 by curves, connecting S5, S6 and S7 by curves, connecting S7, S8 and S9 by curves, connecting S9, S10 and S11 by curves, connecting S11, S12 and S13 by curves, connecting S13, S14 and S15 by curves, connecting S15, S16 and S17 by curves, and connecting S17, S18 and S19 by curves, wherein the curve segments form the whole antenna model;
further comprising the steps of: performing electromagnetic simulation processing on the antenna model to obtain an electromagnetic simulation result; and acquiring the performance parameters of the antenna according to the electromagnetic simulation result.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6446031B1 (en) * | 1999-01-22 | 2002-09-03 | The University Of Akron | Cone mapping physical optics for design of indoor communication system |
| CN104931797A (en) * | 2015-07-16 | 2015-09-23 | 上海无线电设备研究所 | Method for measuring dielectric constant of lossy medium based on wave-transparent mechanism |
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| JP6073110B2 (en) * | 2012-11-12 | 2017-02-01 | 株式会社ヴェルト | 3D data generation system |
| CN105160051B (en) * | 2015-06-30 | 2018-01-05 | 中国空间技术研究院 | Truss antenna reflector based on multisomic analysis experiment deploys dynamic modeling method |
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| US6446031B1 (en) * | 1999-01-22 | 2002-09-03 | The University Of Akron | Cone mapping physical optics for design of indoor communication system |
| CN104931797A (en) * | 2015-07-16 | 2015-09-23 | 上海无线电设备研究所 | Method for measuring dielectric constant of lossy medium based on wave-transparent mechanism |
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