CN117074799B - Circularly polarized antenna and real-time detection method thereof - Google Patents
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- 238000011156 evaluation Methods 0.000 claims description 119
- 230000001965 increasing effect Effects 0.000 claims description 76
- 230000008859 change Effects 0.000 claims description 63
- 230000003247 decreasing effect Effects 0.000 claims description 35
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- 238000010295 mobile communication Methods 0.000 abstract description 6
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/10—Radiation diagrams of antennas
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0892—Details related to signal analysis or treatment; presenting results, e.g. displays; measuring specific signal features other than field strength, e.g. polarisation, field modes, phase, envelope, maximum value
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
- G01S7/40—Means for monitoring or calibrating
- G01S7/4004—Means for monitoring or calibrating of parts of a radar system
- G01S7/4026—Antenna boresight
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
Abstract
The invention belongs to the technical field of antenna detection, and particularly relates to a circularly polarized antenna and a real-time detection method thereof. The invention can meet different communication targets and environment conditions by detecting and adjusting the performance of the circularly polarized antenna in real time to meet the continuously changing communication conditions, ensure the stability and quality of communication, and can adapt to different communication targets and environment conditions by automatically adjusting the equivalent radiation power of the antenna without manual intervention, ensure that the equivalent radiation power of the antenna is always in a reasonable range, improve the performance of the communication system, reduce signal loss and interference, save manpower resources and cost compared with manual detection and adjustment, reduce the complexity of system maintenance, and be suitable for various application fields needing circularly polarized antennas, including satellite communication, radar and mobile communication, thereby providing a more reliable solution for the fields.
Description
Technical Field
The invention belongs to the technical field of antenna detection, and particularly relates to a circularly polarized antenna and a real-time detection method thereof.
Background
Conventional antenna systems typically use linearly polarized antennas that can only receive or transmit electromagnetic waves in a particular direction. However, signal transmission in wireless communication systems is often affected by multipath propagation, multipath fading, signal interference, and the like. To overcome these problems, circularly polarized antennas have become a common option.
In existing communication and radar systems, circularly polarized antennas are increasingly used because they effectively reduce multipath effects, enhance signal immunity, and provide better system performance. However, the performance of circularly polarized antennas is affected by a variety of factors, including weather, electromagnetic interference, and variations in the signal transmission path. Therefore, detecting the equivalent radiation power of the circularly polarized antenna in real time is important to ensure the stability of the system performance.
In the prior art, the performance of circularly polarized antennas is typically detected and adjusted by periodic maintenance and manual adjustment. Although this approach enables a degree of performance control, it is limited in that it cannot respond in time to changing environmental and interference conditions.
Disclosure of Invention
The invention aims to provide a real-time detection method for a circularly polarized antenna, which can detect the equivalent radiation power of the circularly polarized antenna in real time so as to ensure that a system can keep stable performance under the condition of continuous change.
The technical scheme adopted by the invention is as follows:
a real-time detection method for a circularly polarized antenna comprises the following steps:
acquiring a transmission direction range of a circular polarized antenna, and constructing a plurality of detection direction areas according to the transmission direction range of the circular polarized antenna;
Acquiring electromagnetic wave signal information in each detection direction region, wherein the electromagnetic wave signal information comprises equivalent radiation power;
obtaining a standard radiation power evaluation interval of equivalent radiation power;
constructing a detection period, constructing detection nodes in the detection period according to the acquisition frequency of the detection direction region, comparing the detection nodes with equivalent radiation power in adjacent detection nodes in real time, and obtaining an equivalent radiation power change trend according to a standard radiation power evaluation interval;
and obtaining the equivalent radiation power in the current detection node, obtaining a threshold node according to the change trend of the equivalent radiation power, and enabling the circular polarized antenna to adjust the equivalent radiation power of the next detection node of the threshold node according to the change trend so as to enable the equivalent radiation power to reach a standard radiation power evaluation interval.
In a preferred embodiment, after the step of obtaining the standard radiation power evaluation interval of the equivalent radiation power, the method further includes:
comparing the equivalent radiation power in each detection direction region with a standard radiation power evaluation interval;
if the equivalent radiation power is higher than the standard radiation power evaluation interval, the electromagnetic wave signal in the detection direction area is strong;
If the equivalent radiation power belongs to the standard radiation power evaluation interval, the electromagnetic wave signal in the detection direction area is stable;
and if the equivalent radiation power is lower than the standard radiation power evaluation interval, indicating the electromagnetic wave signal difference in the detection direction area.
In a preferred scheme, the steps of constructing a detection period, constructing a detection node in the detection period according to the acquisition frequency of the detection direction region, comparing the detection node with the equivalent radiation power in the adjacent detection node in real time, and obtaining the variation trend of the equivalent radiation power according to the standard radiation power evaluation interval, include:
acquiring the acquisition frequency of a detection direction area;
equally dividing the detection direction area into a plurality of sub-direction areas according to the acquisition frequency;
constructing a detection node in each sub-direction area;
obtaining equivalent radiation power in each detection node;
comparing the equivalent radiation power in the detection node to obtain an equivalent radiation power change trend;
if the equivalent radiation power in the detection period is continuously increased, namely an increasing trend, judging that the equivalent radiation power in the detection direction area has a trend exceeding a standard radiation power evaluation interval;
If the equivalent radiation power in the detection period is continuously reduced, namely the reduced trend, judging that the equivalent radiation power in the detection direction area has a trend lower than a standard radiation power evaluation interval.
In a preferred embodiment, after the step of obtaining the trend of the equivalent radiation power variation, the method further includes:
acquiring an equivalent radiation power change trend, and selecting a trend evaluation model according to the equivalent radiation power change trend;
obtaining a trend evaluation function from the trend evaluation model, wherein the trend evaluation function comprises an increasing trend evaluation function and a decreasing trend evaluation function;
inputting the equivalent radiation power of all the detection nodes in the current detection period into a trend evaluation function, wherein the output value is the variation trend value of the equivalent radiation power;
if the increasing trend evaluation function is selected and the increasing trend value of the obtained equivalent radiation power is positive, the electromagnetic wave signal variation amplitude in the detection direction area is large;
if the increasing trend evaluation function is selected and the obtained equivalent radiation power increasing trend value is negative or zero, the electromagnetic wave signal change amplitude in the detection direction area is small;
if the reduced trend evaluation function is selected and the obtained reduced trend value of the equivalent radiation power is positive or zero, the electromagnetic wave signal variation amplitude in the detection direction area is small;
If the reduced trend evaluation function is selected and the obtained equivalent radiation power reduced trend value is negative, the electromagnetic wave signal variation amplitude in the detection direction area is large.
In a preferred embodiment, the step of obtaining the trend of the equivalent radiation power change, and selecting the trend evaluation model according to the trend of the equivalent radiation power change, includes:
acquiring an equivalent radiation power variation trend;
judging the change trend of the equivalent radiation power;
if the equivalent radiation power is an increasing trend, selecting the maximum value of the standard radiation power evaluation interval, and introducing the maximum value into an increasing trend evaluation model;
and if the equivalent radiation power is in a reducing trend, selecting the minimum value of the standard radiation power evaluation interval, and introducing the minimum value into a reducing trend evaluation model.
In a preferred embodiment, the increasing trend evaluation function is:
wherein Z is expressed as an increasing trend value, A is expressed as equivalent radiation power of the detecting nodes in the increasing trend, i is expressed as the number of the detecting nodes in the increasing trend, n is expressed as the total number of all the detecting nodes in the detecting period in the increasing trend, and X is expressed as the maximum value of the standard radiation power evaluation interval.
In a preferred embodiment, the decreasing trend evaluation function is:
Wherein J is expressed as a decreasing trend value, B is expressed as equivalent radiation power of the detecting nodes in the decreasing trend, g is expressed as the number of the detecting nodes in the decreasing trend, m is expressed as the total number of all the detecting nodes in the detecting period in the decreasing trend, and Y is expressed as the minimum value of the standard radiation power evaluation interval.
In a preferred scheme, the step of obtaining the equivalent radiation power in the current detection node, obtaining a threshold node according to a variation trend of the equivalent radiation power, and adjusting the equivalent radiation power of the next detection node of the threshold node by the circularly polarized antenna according to the variation trend to reach a standard radiation power evaluation interval includes:
obtaining the equivalent radiation power in the current detection node;
acquiring the change trend of the equivalent radiation power in the current detection period, and selecting a judgment model according to the change trend of the equivalent radiation power;
if the change trend of the equivalent radiation power in the current detection period is an increasing trend, selecting an increasing judgment model;
if the change trend of the equivalent radiation power in the current detection period is a decreasing trend, selecting a decreasing judgment model;
inputting the equivalent radiation power in the current detection period into a judgment model, and judging one by one according to the sequence of the detection nodes to obtain threshold nodes;
If the input is the increase judgment model, subtracting the maximum value of the standard radiation power evaluation interval from the equivalent radiation power in sequence according to the sequence of detecting the equivalent radiation power by the detection nodes, and if the output result is positive, the last detection node of the detection nodes is an increase threshold node;
if the input is a reduction judgment model, subtracting the minimum value of the standard radiation power evaluation interval from the equivalent radiation power in sequence according to the sequence of detecting the equivalent radiation power by the detection nodes, and when the output result is negative, the last detection node of the detection nodes is a threshold reduction node;
according to the change trend, the circular polarized antenna adjusts the equivalent radiation power of the next detection node of the threshold node;
if the node is the increased threshold node, the equivalent radiation power of the next detection node of the increased threshold node is reduced by the circularly polarized antenna;
if the threshold node is lowered, the circularly polarized antenna is enabled to enhance the equivalent radiation power of the next detection node of the lowered threshold node.
In a preferred embodiment, after the step of adjusting the equivalent radiation power of the next detection node of the threshold node by the circularly polarized antenna according to the trend of variation, the method further includes:
Acquiring a threshold value of equivalent radiation power adjustment, and comparing the threshold value with the equivalent radiation power in each detection period;
if the equivalent radiation power is reduced, stopping the operation of reducing the equivalent radiation power in the current measurement period when the equivalent radiation power is lower than the threshold value for reducing the equivalent radiation power;
and if the equivalent radiation power is enhanced, stopping the operation of enhancing the equivalent radiation power in the current measurement period when the equivalent radiation power is higher than the threshold for enhancing the equivalent radiation power.
A second object of the present invention is to provide a circularly polarized antenna comprising:
one or more processors;
a storage device having one or more programs stored thereon;
and when the one or more programs are executed by the one or more processors, the one or more processors are caused to implement the method for detecting the circularly polarized antenna in real time.
The invention has the technical effects that:
the invention can meet the continuous changing communication condition by detecting and adjusting the performance of the circular polarized antenna in real time, ensure the stability and quality of communication, and can adapt to different communication targets and environment conditions by automatically adjusting the equivalent radiation power of the antenna without manual intervention, ensure the equivalent radiation power of the antenna to be always in a reasonable range, improve the performance of the communication system, reduce the loss and interference of signals, save manpower resources and cost compared with manual detection and adjustment, reduce the complexity of system maintenance, be suitable for various application fields needing circular polarized antennas, including satellite communication, radar and mobile communication, and provide a more reliable solution for the fields.
Drawings
FIG. 1 is a flow chart of a method provided by the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present invention is not limited to the specific embodiments disclosed below.
Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the invention. The appearances of the phrase "in one preferred embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Further, the present invention will be described in detail with reference to the drawings, which are only examples for convenience of illustration, and should not limit the scope of the present invention.
Referring to fig. 1, a method for detecting a circularly polarized antenna in real time is provided, which includes:
s1, acquiring a transmission direction range of a circular polarized antenna, and constructing a plurality of detection direction areas according to the transmission direction range of the circular polarized antenna;
s2, acquiring electromagnetic wave signal information in each detection direction area, wherein the electromagnetic wave signal information comprises equivalent radiation power;
s3, acquiring a standard radiation power evaluation interval of equivalent radiation power;
s4, constructing a detection period, constructing detection nodes in the detection period according to the acquisition frequency of the detection direction region, comparing the detection nodes with equivalent radiation power in adjacent detection nodes in real time, and obtaining an equivalent radiation power change trend according to a standard radiation power evaluation interval;
s5, obtaining equivalent radiation power in the current detection node, obtaining a threshold node according to the change trend of the equivalent radiation power, and enabling the circularly polarized antenna to adjust the equivalent radiation power of the next detection node of the threshold node according to the change trend so as to enable the equivalent radiation power to reach a standard radiation power evaluation interval.
In steps S1 to S5 described above, for a circularly polarized antenna for satellite, terrestrial or equipment communications, which transmits signals in different directions, it is desired to ensure that the equivalent radiated power of the antenna remains within a reasonable range to provide stable communications performance, the range of the transmission direction of the antenna is first determined, which may include different satellite orbits or communications targets, and then this range is divided into a plurality of detection direction areas, each of which represents a particular communications target direction, in each of which an antenna is used to receive electromagnetic wave signals, which may be from satellites, terrestrial, equipment or other communications sources, electromagnetic wave signal information in each direction area, including the equivalent radiated power of the signal, is measured and recorded, a standard radiated power evaluation interval is set, the method is a reasonable power range, can ensure that the communication quality is not influenced by excessively strong or excessively weak signals, and is provided with a detection period, for example, detection is carried out once per second, in the detection period, detection nodes are distributed in each direction area, the equivalent radiation power in adjacent detection nodes is compared in real time, the trend of power change can be captured, the trend of change of the equivalent radiation power in each detection node is obtained through real-time comparison, whether the signal strength is stable or not can be known, or whether adjustment is needed, when the trend of the equivalent radiation power in the detection node exceeds a set threshold node, an antenna is regulated according to the trend direction and degree, so that the equivalent radiation power in the next detection node reaches a standard radiation power evaluation interval, the direction of the antenna can be changed, the system can adapt to different communication targets and environment conditions without manual intervention, ensures the equivalent radiation power of the antenna to be always in a reasonable range, can improve the performance of a communication system, reduces signal loss and interference, can save manpower resources and cost, reduces the complexity of system maintenance relative to manual detection and adjustment, is suitable for various application fields needing the circular polarization antenna, including satellite communication, radar and mobile communication, and provides a more reliable solution for the fields.
In one embodiment, after the step of obtaining the standard radiation power evaluation interval of the equivalent radiation power, further comprises:
comparing the equivalent radiation power in each detection direction region with a standard radiation power evaluation interval;
if the equivalent radiation power is higher than the standard radiation power evaluation interval, the electromagnetic wave signal in the detection direction area is indicated to be strong;
if the equivalent radiation power belongs to the standard radiation power evaluation interval, the electromagnetic wave signal in the detection direction area is stable;
and if the equivalent radiation power is lower than the standard radiation power evaluation interval, indicating the electromagnetic wave signal difference in the detection direction area.
As described above, in each detection direction area, electromagnetic wave signals from the mobile device, which may be affected by buildings, topography and interference, are received using an antenna, electromagnetic wave signal information including equivalent radiation power of the signals in each area is measured and recorded, a standard radiation power evaluation section is set according to system performance requirements, power in this section is considered to be moderate, good communication quality can be ensured, and in each detection direction area, the measured equivalent radiation power is compared with the standard radiation power evaluation section;
If the equivalent radiated power is higher than the standard radiated power evaluation interval, the electromagnetic wave signal in the direction region is very strong, which may indicate that in this urban region, the signal needs to be adjusted to avoid interference or other problems caused by too strong signal;
if the equivalent radiation power belongs to the standard radiation power evaluation interval, the electromagnetic wave signal in the direction area is stable, and the communication quality is good;
if the equivalent radiated power is below the standard radiated power evaluation interval, the electromagnetic wave signal in this directional region is poor, which may indicate that measures need to be taken to improve the signal quality, such as increasing the power of the antenna or changing the direction of the antenna;
the method has the advantages that the equivalent radiation power is detected in real time and simultaneously responded quickly, so as to optimize the communication quality, the equivalent radiation power is compared with the standard radiation power evaluation interval, the signal quality can be accurately judged, so that proper measures are taken, the automation degree of the system is high, manual intervention is not needed, the maintenance and operation cost is reduced, the performance of the communication system can be improved to the greatest extent by adjusting the antenna or the signal parameter in real time, the signal interference and quality problems are reduced, the method is suitable for various communication systems including mobile communication, satellite communication, radar and the like, and a general method is provided for improving the stability and the performance of the communication system.
In one embodiment, a detection period is constructed, a detection node is constructed in the detection period according to the acquisition frequency of a detection direction region, and the detection node is compared with the equivalent radiation power in the adjacent detection node in real time, and the step of obtaining the variation trend of the equivalent radiation power according to a standard radiation power evaluation interval comprises the following steps:
s401, acquiring acquisition frequency of a detection direction region;
s402, equally dividing the detection direction area into a plurality of sub-direction areas according to the acquisition frequency;
s403, constructing a detection node in each sub-direction area;
s404, obtaining equivalent radiation power in each detection node;
s405, comparing the equivalent radiation power in the detection node to obtain an equivalent radiation power change trend;
if the equivalent radiation power in the detection period is continuously increased, namely an increasing trend, judging that the equivalent radiation power in the detection direction area has a trend exceeding a standard radiation power evaluation interval;
if the equivalent radiation power in the detection period is continuously reduced, namely the reduced trend, the trend that the equivalent radiation power in the detection direction area is lower than the standard radiation power evaluation interval is judged.
In the above steps S401 to S405, first, the frequency for collecting data is determined, the frequency determines the time interval for data collection and analysis in the detection period, the direction area to be detected is subdivided into a plurality of sub-direction areas so as to detect the signal intensity in different directions more finely, in each sub-direction area, a detection node is established, which is responsible for collecting and analyzing the signal data in the direction area, the circularly polarized antenna is used to receive the signal in each detection node, and the equivalent radiation power is measured, which is the real-time data in the detection node, the equivalent radiation power in each detection node is compared with the standard radiation power evaluation interval, in order to determine whether the signal intensity is in a reasonable range, the trend of power variation can be obtained by comparing the equivalent radiation power in different detection periods;
If the equivalent radiation power in the detection period continuously increases, namely, an increasing trend exists, the system can judge that the equivalent radiation power in the direction area possibly exceeds a standard radiation power evaluation interval, and measures are needed to be taken to reduce the signal strength;
if the equivalent radiation power in the detection period is continuously reduced, i.e. there is a trend of reduction, the system can determine that the equivalent radiation power in the direction region may be lower than the standard radiation power evaluation interval, and measures may need to be taken to improve the signal strength;
by detecting the change trend of the equivalent radiation power in real time, the communication condition which is continuously changed can be responded rapidly, the signal intensity in different directions can be detected more accurately through the subdivision direction area and the detection node, so that the signal quality is controlled finely, the system automatically judges the power trend without manual intervention, the operation complexity is reduced, once the power trend problem is detected, the system can immediately take actions, such as adjusting the antenna direction or the signal parameters, so as to optimize the communication performance, and by detecting and responding to the change of the equivalent radiation power in real time, the communication system can be ensured to be always in the optimal performance state, the communication quality and the stability are improved, and the communication system is particularly important for key applications, such as radar, satellite communication and mobile communication.
In one embodiment, after the step of obtaining the trend of the equivalent radiation power variation, the method further includes:
s406, acquiring an equivalent radiation power change trend, and selecting a trend evaluation model according to the equivalent radiation power change trend;
s407, obtaining a trend evaluation function from the trend evaluation model, wherein the trend evaluation function comprises an increasing trend evaluation function and a decreasing trend evaluation function;
s408, inputting the equivalent radiation power of all the detection nodes in the current detection period into a trend evaluation function, wherein the output value is the variation trend value of the equivalent radiation power;
if the increasing trend evaluation function is selected and the increasing trend value of the obtained equivalent radiation power is positive, the electromagnetic wave signal variation amplitude in the detection direction area is large;
if the increasing trend evaluation function is selected and the obtained equivalent radiation power increasing trend value is negative or zero, the electromagnetic wave signal change amplitude in the detection direction area is small;
if the reduced trend evaluation function is selected and the obtained reduced trend value of the equivalent radiation power is positive or zero, the electromagnetic wave signal variation amplitude in the detection direction area is small;
if the reduced trend evaluation function is selected and the obtained equivalent radiation power reduced trend value is negative, the electromagnetic wave signal variation amplitude in the detection direction area is large.
In the foregoing steps S406 to S408, in which a trend of change in the equivalent radiation power has been detected, that is, whether the power increases or decreases in the detection period, a suitable trend evaluation model is selected according to the detected trend of change in power, the model may be a mathematical function for evaluating the nature of the trend of power, an increasing trend evaluation function and a decreasing trend evaluation function are defined according to the selected model, these functions describe the nature of the trend of power, for example, the increasing trend model may represent the increasing speed of power, the decreasing trend model may represent the decreasing speed of power, the equivalent radiation power data of all the detection nodes in the current detection period is input into the trend evaluation function, the power data of each node is taken as an input parameter, and the input power data is analyzed through the trend evaluation function to obtain the value of the trend of change in the equivalent radiation power;
if the selected trend evaluation model is an increasing trend evaluation function and the obtained power increasing trend value is positive, it can be determined that the electromagnetic wave signal in the detection direction area has a large variation amplitude and the signal strength is increasing;
if the selected trend evaluation model is an increasing trend evaluation function and the obtained power increasing trend value is negative or zero, the electromagnetic wave signal change amplitude in the detection direction area can be judged to be smaller, and the signal intensity is relatively stable;
If the selected trend evaluation model is a trend reduction evaluation function and the obtained power trend reduction value is positive or zero, the electromagnetic wave signal change amplitude in the detection direction area can be judged to be smaller, and the signal intensity is relatively stable;
if the selected trend evaluation model is a decreasing trend evaluation function and the obtained power decreasing trend value is negative, it can be determined that the electromagnetic wave signal variation amplitude in the detection direction area is large and the signal strength is decreasing;
by selecting a proper trend evaluation model, the system can analyze the power change trend more accurately so as to provide detailed information about the change amplitude of the signal, according to the evaluation result, the system can automatically determine whether action is needed to be taken to adjust the signal strength without manual intervention, the system can detect and analyze the power trend in real time, so that measures can be taken before the actual problem occurs, the communication performance is optimized, the communication system can be ensured to be always in the optimal performance state by adjusting the signal according to trend evaluation, the stability and the reliability of the system are improved, the system is suitable for various application fields needing dynamic adjustment of the signal, including radar, satellite communication, mobile communication and the like, and a general method is provided to improve the performance and the stability of the communication system.
In one embodiment, the step of obtaining the trend of the equivalent radiation power variation, and selecting the trend evaluation model according to the trend of the equivalent radiation power variation, includes:
s4061, obtaining an equivalent radiation power change trend;
s4062, judging the change trend of the equivalent radiation power;
if the equivalent radiation power is an increasing trend, selecting the maximum value of the standard radiation power evaluation interval, and introducing the maximum value into an increasing trend evaluation model;
and if the equivalent radiation power is in a reducing trend, selecting the minimum value of the standard radiation power evaluation interval, and introducing the minimum value into a reducing trend evaluation model.
As in the above steps S4061 to S4062, in the foregoing, a trend of change in the equivalent radiation power in the detection period has been obtained, which may be an increasing trend (power up) or a decreasing trend (power down), and the system judges whether it is an increasing trend or a decreasing trend based on the obtained power change trend;
if the equivalent radiation power is in an increasing trend, the system selects to use an increasing trend evaluation model;
if the equivalent radiation power is in a reduced trend, the system selects to use a reduced trend evaluation model;
if an increasing trend assessment model is selected, the system will select the maximum value of the standard radiant power assessment interval and bring this maximum value into the increasing trend assessment model, which may be a mathematical function or algorithm that uses the maximum value for analysis of the speed and nature of the power increase;
If a trend-down estimation model is selected, the system will select the minimum value of the standard radiation power estimation interval and bring this minimum value into the trend-down estimation model, which may also be a mathematical function or algorithm that uses the minimum value for analyzing the speed and nature of the power reduction;
by selecting different evaluation models, the system can adopt personalized evaluation methods according to different power trends, the adaptability and flexibility of the system are improved, by selecting corresponding evaluation models according to the power trends and considering the maximum or minimum standard radiation power evaluation interval value, the system can more accurately adjust signal parameters to meet specific requirements, the system can automatically select the evaluation models without manual intervention, the operation complexity is reduced, the system can rapidly take actions according to the evaluation results to adapt to continuously changing communication conditions, the communication performance is improved, and by selecting the evaluation models and the standard radiation power evaluation interval value according to the power trends, the system can ensure that the communication system is always in an optimal performance state, and the stability and reliability of the system are improved.
In one embodiment, the increasing trend evaluation function is:
Wherein Z is expressed as an increasing trend value, A is expressed as equivalent radiation power of the detecting nodes in the increasing trend, i is expressed as the number of the detecting nodes in the increasing trend, n is expressed as the total number of all the detecting nodes in the detecting period in the increasing trend, and X is expressed as the maximum value of the standard radiation power evaluation interval;
the decreasing trend evaluation function is:
wherein J is expressed as a decreasing trend value, B is expressed as equivalent radiation power of the detecting nodes in the decreasing trend, g is expressed as the number of the detecting nodes in the decreasing trend, m is expressed as the total number of all the detecting nodes in the detecting period in the decreasing trend, and Y is expressed as the minimum value of the standard radiation power evaluation interval.
As described above, these evaluation functions allow the system to quantitatively evaluate power trends rather than just qualitative increases or decreases, which enables the system to more precisely understand the magnitude of power changes, using the maximum (for increasing trends) and minimum (for decreasing trends) of standard radiated power evaluation intervals as reference points, helping the system to better adapt to a predetermined power range to ensure that the signal is within a reasonable range, these evaluation functions provide a comprehensive evaluation that takes into account power changes throughout the detection area, the output values of the evaluation functions can be used in an automatic decision support system, the system can trigger automated adjustments or alarms, and the system's automation and quick response capabilities are improved.
In one embodiment, the step of obtaining the equivalent radiation power in the current detection node, obtaining a threshold node according to the variation trend of the equivalent radiation power, and adjusting the equivalent radiation power of the next detection node of the threshold node by the circularly polarized antenna according to the variation trend to reach the standard radiation power evaluation interval includes:
s501, obtaining equivalent radiation power in a current detection node;
s502, acquiring the change trend of the equivalent radiation power in the current detection period, and selecting a judgment model according to the change trend of the equivalent radiation power;
if the change trend of the equivalent radiation power in the current detection period is an increasing trend, selecting an increasing judgment model;
if the change trend of the equivalent radiation power in the current detection period is a decreasing trend, selecting a decreasing judgment model;
s503, inputting equivalent radiation power in the current detection period into a judgment model, and judging one by one according to the sequence of the detection nodes to obtain threshold nodes;
if the input is the increase judgment model, subtracting the maximum value of the standard radiation power evaluation interval from the equivalent radiation power in sequence according to the sequence of detecting the equivalent radiation power by the detection nodes, and if the output result is positive, the last detection node of the detection nodes is an increase threshold node;
If the input is a reduction judgment model, subtracting the minimum value of the standard radiation power evaluation interval from the equivalent radiation power in sequence according to the sequence of detecting the equivalent radiation power by the detection nodes, and when the output result is negative, the last detection node of the detection nodes is a threshold reduction node;
s504, adjusting equivalent radiation power of a next detection node of the threshold node by the circularly polarized antenna according to the change trend;
if the node is the increased threshold node, the equivalent radiation power of the next detection node of the increased threshold node is reduced by the circularly polarized antenna;
if the threshold node is lowered, the circularly polarized antenna is enabled to enhance the equivalent radiation power of the next detection node of the lowered threshold node.
In the steps S501 to S504, in each detection period, the system acquires the equivalent radiation power of the current detection node, which is the intensity of the signal currently received by the system, the system analyzes the trend of the change of the equivalent radiation power in the current detection period, and according to the direction of the trend (increasing trend or decreasing trend), the system selects a corresponding judgment model for further processing;
if the change trend of the equivalent radiation power in the current detection period is an increasing trend, the system selects an increasing judgment model;
If the change trend of the equivalent radiation power in the current detection period is a decreasing trend, the system selects a decreasing judgment model;
if the increase judgment model is selected, the system sequentially subtracts the maximum value of the standard radiation power evaluation interval from the detection nodes one by one according to the sequence of detecting the equivalent radiation power by the detection nodes, and when the output result is positive, the system marks the node as an increase threshold node;
if the reduction judgment model is selected, the system sequentially subtracts the minimum value of the standard radiation power evaluation interval from the detection nodes one by one according to the sequence of detecting the equivalent radiation power by the detection nodes, and when the output result is negative, the system marks the node as a threshold reduction node;
if the increased threshold node is marked, the system can enable the circularly polarized antenna to reduce and adjust the equivalent radiation power of the next detection node of the increased threshold node so as to prevent the signal intensity from being too high;
if the threshold lowering node is marked, the system can enable the circularly polarized antenna to carry out enhancement adjustment on the equivalent radiation power of the next detection node of the threshold lowering node so as to prevent the signal intensity from being too low;
by selecting proper judgment models and threshold nodes, the system can automatically adapt to different power trends, so that the signal strength is ensured to be in a reasonable range, the system can detect the power change trend in real time, the equivalent radiation power of the next detection node is adjusted according to the trend, the continuously-changing communication environment is responded quickly, the system can prevent the signal from being saturated (too strong) or attenuated (too weak) by reducing or enhancing the signal, so that the communication quality and reliability are improved, the interference can be reduced by automatically adjusting, the interference with other equipment is ensured to be minimized, the performance of the communication system is improved, the system can automatically adjust the signal according to the change trend, manual intervention is not needed, and the operation complexity and maintenance cost are reduced.
In one embodiment, after the step of adjusting the equivalent radiation power of the next detection node of the threshold node by the circularly polarized antenna according to the trend of variation, the method further includes:
acquiring a threshold value of equivalent radiation power adjustment, and comparing the threshold value with the equivalent radiation power in each detection period;
if the equivalent radiation power is reduced, stopping the operation of reducing the equivalent radiation power in the current measurement period when the equivalent radiation power is lower than the threshold value for reducing the equivalent radiation power;
and if the equivalent radiation power is enhanced, stopping the operation of enhancing the equivalent radiation power in the current measurement period when the equivalent radiation power is higher than the threshold for enhancing the equivalent radiation power.
As described above, the system may obtain a threshold value for adjusting the equivalent radiation power according to the set parameter or standard, where the threshold value is used to determine whether further adjustment of the equivalent radiation power is required, and the system compares the obtained threshold value for adjusting the equivalent radiation power with the equivalent radiation power in the current detection period;
if the equivalent radiation power in the current detection period is lower than the threshold for reducing the equivalent radiation power, the system stops the operation of reducing the equivalent radiation power in the current detection period, which means that the signal strength is low enough and no further reduction is needed;
If the equivalent radiation power in the current detection period is higher than the threshold value for enhancing the equivalent radiation power, the system stops the operation of enhancing the equivalent radiation power in the current detection period, which means that the signal strength is high enough and no further enhancement is needed;
the system can automatically control the adjustment of equivalent radiation power to ensure that the signal intensity is in a reasonable range, manual intervention is not required, and by setting a proper adjustment threshold value, the system can avoid excessively adjusting the equivalent radiation power, thereby preventing excessive attenuation or excessive enhancement of signals, improving communication quality, stopping unnecessary adjustment of signals can save energy and resources, in particular, under the condition that communication equipment depends on battery power supply, the system is beneficial to prolonging the service life of the battery, automatically stopping unnecessary adjustment can maintain the stability of the communication system, prevent unnecessary signal fluctuation, thereby improving the reliability of the system, avoiding excessively enhancing signals to reduce the risk of interfering other equipment, and being beneficial to maintaining the harmonious coexistence of the communication system and the surrounding environment.
The use of the trend-increasing and trend-decreasing assessment models improves finer signal control, compared with the existing single trend-increasing assessment model, only one signal change trend can be processed, the trend-increasing and trend-decreasing assessment model can be used for simultaneously considering the increase and decrease of signals, communication environments can often change at different time and positions, the two assessment models can be used for adapting to the changes better, for example, when a user moves from a strong signal area to a weak signal area, a system can respond rapidly to prevent the signals from being disconnected, the trend-increasing assessment model can avoid wasting resources caused by the too strong signal, the trend-decreasing assessment model can avoid unreliable communication caused by the too weak signal, so that communication resources can be utilized to the greatest extent, network efficiency is improved, refined control is helpful for providing more consistent and high-quality communication services, the user can obtain better experience under different environments, the conditions of signal disconnection or poor communication quality are reduced, interference risks to other devices or communication systems can be reduced through refined control, the too strong signal can interfere with other devices, the too weak signal can cause automatic communication to be unstable and unstable communication can be reduced, the overall maintenance requirements can be met, and the overall maintenance requirements of the trend-decreasing assessment model can be adjusted.
The invention also provides a circularly polarized antenna comprising:
one or more processors;
a storage device having one or more programs stored thereon;
when the one or more programs are executed by the one or more processors, the one or more processors implement a method for real-time detection of circularly polarized antennas.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, apparatus, article, or method 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, apparatus, article, or method. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, apparatus, article or method that comprises the element.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (10)
1. The real-time detection method of the circularly polarized antenna is characterized by comprising the following steps of:
acquiring a transmission direction range of a circular polarized antenna, and constructing a plurality of detection direction areas according to the transmission direction range of the circular polarized antenna;
acquiring electromagnetic wave signal information in each detection direction region, wherein the electromagnetic wave signal information comprises equivalent radiation power;
obtaining a standard radiation power evaluation interval of equivalent radiation power;
constructing a detection period, constructing detection nodes in the detection period according to the acquisition frequency of the detection direction region, comparing the detection nodes with equivalent radiation power in adjacent detection nodes in real time, and obtaining an equivalent radiation power change trend according to a standard radiation power evaluation interval;
and obtaining the equivalent radiation power in the current detection node, obtaining a threshold node according to the change trend of the equivalent radiation power, and enabling the circular polarized antenna to adjust the equivalent radiation power of the next detection node of the threshold node according to the change trend so as to enable the equivalent radiation power to reach a standard radiation power evaluation interval.
2. The method for detecting a circularly polarized antenna according to claim 1, further comprising, after the step of obtaining the standard radiation power evaluation interval of the equivalent radiation power:
Comparing the equivalent radiation power in each detection direction region with a standard radiation power evaluation interval;
if the equivalent radiation power is higher than the standard radiation power evaluation interval, the electromagnetic wave signal in the detection direction area is strong;
if the equivalent radiation power belongs to the standard radiation power evaluation interval, the electromagnetic wave signal in the detection direction area is stable;
and if the equivalent radiation power is lower than the standard radiation power evaluation interval, indicating the electromagnetic wave signal difference in the detection direction area.
3. The method for real-time detection of circularly polarized antenna according to claim 1, wherein the steps of constructing a detection period, constructing a detection node in the detection period according to the acquisition frequency of the detection direction region, comparing the detection node with the equivalent radiation power in the adjacent detection node in real time, and obtaining the variation trend of the equivalent radiation power according to the standard radiation power evaluation interval, comprise:
acquiring the acquisition frequency of a detection direction area;
equally dividing the detection direction area into a plurality of sub-direction areas according to the acquisition frequency;
constructing a detection node in each sub-direction area;
Obtaining equivalent radiation power in each detection node;
comparing the equivalent radiation power in the detection node to obtain an equivalent radiation power change trend;
if the equivalent radiation power in the detection period is continuously increased, namely an increasing trend, judging that the equivalent radiation power in the detection direction area has a trend exceeding a standard radiation power evaluation interval;
if the equivalent radiation power in the detection period is continuously reduced, namely the reduced trend, judging that the equivalent radiation power in the detection direction area has a trend lower than a standard radiation power evaluation interval.
4. The method for detecting a circularly polarized antenna in real time according to claim 3, further comprising, after the step of obtaining the trend of variation of the equivalent radiation power:
acquiring an equivalent radiation power change trend, and selecting a trend evaluation model according to the equivalent radiation power change trend;
obtaining a trend evaluation function from the trend evaluation model, wherein the trend evaluation function comprises an increasing trend evaluation function and a decreasing trend evaluation function;
inputting the equivalent radiation power of all the detection nodes in the current detection period into a trend evaluation function, wherein the output value is the variation trend value of the equivalent radiation power;
If the increasing trend evaluation function is selected and the increasing trend value of the obtained equivalent radiation power is positive, the electromagnetic wave signal variation amplitude in the detection direction area is large;
if the increasing trend evaluation function is selected and the obtained equivalent radiation power increasing trend value is negative or zero, the electromagnetic wave signal change amplitude in the detection direction area is small;
if the reduced trend evaluation function is selected and the obtained reduced trend value of the equivalent radiation power is positive or zero, the electromagnetic wave signal variation amplitude in the detection direction area is small;
if the reduced trend evaluation function is selected and the obtained equivalent radiation power reduced trend value is negative, the electromagnetic wave signal variation amplitude in the detection direction area is large.
5. The method for real-time detection of circularly polarized antenna according to claim 4, wherein the step of obtaining the trend of equivalent radiation power variation and selecting the trend evaluation model according to the trend of equivalent radiation power variation comprises:
acquiring an equivalent radiation power variation trend;
judging the change trend of the equivalent radiation power;
if the equivalent radiation power is an increasing trend, selecting the maximum value of the standard radiation power evaluation interval, and introducing the maximum value into an increasing trend evaluation model;
And if the equivalent radiation power is in a reducing trend, selecting the minimum value of the standard radiation power evaluation interval, and introducing the minimum value into a reducing trend evaluation model.
6. The method for detecting a circularly polarized antenna according to claim 5, wherein the increasing trend evaluation function is:
wherein Z is expressed as an increasing trend value, A is expressed as equivalent radiation power of the detecting nodes in the increasing trend, i is expressed as the number of the detecting nodes in the increasing trend, n is expressed as the total number of all the detecting nodes in the detecting period in the increasing trend, and X is expressed as the maximum value of the standard radiation power evaluation interval.
7. The method for detecting a circularly polarized antenna according to claim 5, wherein the reduced trend evaluation function is:
wherein J is expressed as a decreasing trend value, B is expressed as equivalent radiation power of the detecting nodes in the decreasing trend, g is expressed as the number of the detecting nodes in the decreasing trend, m is expressed as the total number of all the detecting nodes in the detecting period in the decreasing trend, and Y is expressed as the minimum value of the standard radiation power evaluation interval.
8. The method for real-time detection of a circular polarized antenna according to claim 3, wherein the step of obtaining the equivalent radiation power in the current detection node, obtaining a threshold node according to a variation trend of the equivalent radiation power, and adjusting the equivalent radiation power of a next detection node of the threshold node by the circular polarized antenna according to the variation trend to reach a standard radiation power evaluation interval comprises the steps of:
Obtaining the equivalent radiation power in the current detection node;
acquiring the change trend of the equivalent radiation power in the current detection period, and selecting a judgment model according to the change trend of the equivalent radiation power;
if the change trend of the equivalent radiation power in the current detection period is an increasing trend, selecting an increasing judgment model;
if the change trend of the equivalent radiation power in the current detection period is a decreasing trend, selecting a decreasing judgment model;
inputting the equivalent radiation power in the current detection period into a judgment model, and judging one by one according to the sequence of the detection nodes to obtain threshold nodes;
if the input is the increase judgment model, subtracting the maximum value of the standard radiation power evaluation interval from the equivalent radiation power in sequence according to the sequence of detecting the equivalent radiation power by the detection nodes, and if the output result is positive, the last detection node of the detection nodes is an increase threshold node;
if the input is a reduction judgment model, subtracting the minimum value of the standard radiation power evaluation interval from the equivalent radiation power in sequence according to the sequence of detecting the equivalent radiation power by the detection nodes, and when the output result is negative, the last detection node of the detection nodes is a threshold reduction node;
According to the change trend, the circular polarized antenna adjusts the equivalent radiation power of the next detection node of the threshold node;
if the node is the increased threshold node, the equivalent radiation power of the next detection node of the increased threshold node is reduced by the circularly polarized antenna;
if the threshold node is lowered, the circularly polarized antenna is enabled to enhance the equivalent radiation power of the next detection node of the lowered threshold node.
9. The method for detecting a circularly polarized antenna in real time according to claim 8, further comprising, after the step of adjusting the equivalent radiation power of the next detection node of the threshold node by the circularly polarized antenna according to the trend of variation:
acquiring a threshold value of equivalent radiation power adjustment, and comparing the threshold value with the equivalent radiation power in each detection period;
if the equivalent radiation power is reduced, stopping the operation of reducing the equivalent radiation power in the current measurement period when the equivalent radiation power is lower than the threshold value for reducing the equivalent radiation power;
and if the equivalent radiation power is enhanced, stopping the operation of enhancing the equivalent radiation power in the current measurement period when the equivalent radiation power is higher than the threshold for enhancing the equivalent radiation power.
10. A circularly polarized antenna, comprising:
one or more processors;
a storage device having one or more programs stored thereon;
the one or more programs, when executed by the one or more processors, cause the one or more processors to perform the method of circular polarized antenna real-time detection of any of claims 1-9.
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