CN116760437B - Broadband microwave receiving and transmitting control method and system applied to phased array system - Google Patents
Broadband microwave receiving and transmitting control method and system applied to phased array system Download PDFInfo
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Abstract
The invention relates to the phased array field, and discloses a broadband microwave receiving and transmitting control method and a broadband microwave receiving and transmitting control system applied to a phased array system, wherein the broadband microwave receiving and transmitting control method and the broadband microwave receiving and transmitting control system comprise the following steps: performing array element phase consistency calibration through a phase calibration module to obtain a calibration phase, and obtaining a phase deviation allowance according to the difference value of the calibration phase and a preset acceptable deviation phase; predicting the array element state after the set time length is carried out on the array element phase state according to the array element phase change rate and the residual phase deviation allowance, and obtaining each array element prediction state; according to the predicted states of the array elements, the number of the array elements to be calibrated in the predicted states of the array elements is obtained, the phased array hazard degree is obtained according to the ratio of the number of the array elements to be calibrated to the total number of the array elements, the state of the phased array is judged according to the phased array hazard degree, and the phased array control is completed. By the technical scheme provided by the invention, the phase of the phased array element can be detected in real time, and the phased array can be adjusted according to the phase of the phased array element.
Description
Technical Field
The invention relates to the phased array field, in particular to a broadband microwave receiving and transmitting control method and a broadband microwave receiving and transmitting control system applied to a phased array system.
Background
Phased array technology is an advanced radar technology that achieves beam steering and shape adjustment by performing precise amplitude and phase control over multiple array elements in an array. The phased array system is widely applied to the fields of aerospace, communication, radars, unmanned automobiles and the like, and has the characteristics of high resolution, high anti-interference capability and the like, so that the phased array system becomes an important support for the current wireless communication and sensing technology.
The performance of phased array systems is highly dependent on the state of the array elements. Each array element must maintain a good working state, otherwise, system performance may be reduced, data may be inaccurate, and even equipment may be damaged. Therefore, monitoring and detecting the state of the phased array elements in real time is a key to ensure stable and reliable operation of the phased array system.
Therefore, how to detect the state of the phased array element and adjust the phased array timely is a problem that needs to be solved by the relevant technicians.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a broadband microwave receiving and transmitting control method applied to a phased array system, which comprises the following steps:
step one, performing array element phase consistency calibration through a phase calibration module to obtain a calibration phase, and obtaining a phase deviation allowance according to a difference value between the calibration phase and a preset acceptable deviation phase;
step two, the phased array enters into operation, phase data of each array element are collected through a phase data collection module, the phase change rate of each array element and the phase change quantity of each array element are respectively obtained according to the collected phase data of each array element, the residual phase deviation allowance is obtained according to the difference value of the phase change quantity of each array element and the phase deviation allowance, and the array element state prediction after the setting time length is carried out on the array element phase state according to the phase change rate of each array element and the residual phase deviation allowance, so that each array element prediction state is obtained;
step three, according to each array element prediction state, obtaining the number of array elements to be calibrated in each array element prediction state, obtaining the damage degree of the phased array according to the ratio of the number of array elements to be calibrated to the total number of array elements, judging the state of the phased array according to the damage degree of the phased array, if the state is the usable state, entering the step four, otherwise, entering the maintenance state of the phased array after the time length is set, and returning to the step one;
step four, acquiring the working time length of the phased array, obtaining the average loss rate of the array elements according to the working time length and the number of the array elements to be calibrated, if the average loss rate of the array elements is not less than the set average loss rate, the working state of the phased array is abnormal, and entering step five, otherwise, if the average loss rate of the array elements is not greater than the set average loss rate, the working state of the phased array is normal, and entering step six;
step five, the phased array after the set time length enters a maintenance state, phased array state data are collected through a phased array element state data collection device, and fault detection is carried out on the phased array according to the phased array state data through a fault detection module, so that a fault result is obtained;
and step six, completing phased array control.
Further, the phase change rate of each array element and the phase change amount of the array element are obtained according to the collected phase data of each array element, the residual phase deviation allowance is obtained according to the difference value between the phase change amount of the array element and the phase deviation allowance, the change amount is the difference value between the collected phase of the array element and the calibration phase, and the phase change rate of the array element is as follows:
。
further, according to the array element phase change rate and the residual phase deviation margin, predicting the array element state after the set duration is performed on the array element phase state to obtain each array element prediction state, including: and obtaining the phase change quantity after the set time length according to the phase change rate of the array element and the residual phase deviation allowance, wherein if the phase change quantity after the set time length is greater than the residual phase deviation allowance, the array element is the array element to be calibrated, otherwise, the array element is the normal array.
Further, the obtaining the number of the array elements to be calibrated in each array element prediction state according to each array element prediction state, obtaining the phased array hazard degree according to the ratio of the number of the array elements to be calibrated to the total number of the array elements, and judging the state of the phased array according to the phased array hazard degree, including: if the damage degree of the phased array is greater than the set safety ratio, the phased array is in a state to be maintained, the phased array enters a maintenance state after a set time length, and otherwise, the phased array is in a usable state.
Further, the obtaining the working time of the phased array, according to the working time and the number of the array elements to be calibrated, obtains the average loss rate of the array elements, including: the working time length is the sum of the working time length of the phased array and the set time length, and the average loss rate of the array elements is obtained according to the ratio of the number of the array elements to be calibrated to the working time length.
Furthermore, the phased array after the set time length enters a maintenance state, phased array state data are collected through the array element state data collection device, fault detection is carried out on the phased array according to the phased array state data through the fault detection module, a fault result is obtained, and the phased array state data collected through the array element state data collection device comprise array element interval monitoring data and array element phase data.
The broadband microwave receiving and transmitting control system applied to the phased array system comprises a phase calibration module, an array element state data acquisition device, a data processing module, a fault detection module and an array element state prediction module;
the phase calibration module, the array element state data acquisition device, the fault detection module and the array element state prediction module are respectively connected with the data processing module.
Preferably, the array element state data acquisition device comprises an array element interval data monitoring module and a phase data acquisition module; the array element spacing data monitoring module and the phase data acquisition module are respectively connected with the data processing module.
The beneficial effects of the invention are as follows: by the technical scheme provided by the invention, the phase of the phased array element can be detected in real time, and the phased array can be adjusted according to the phase of the phased array element.
Drawings
FIG. 1 is a flow diagram of a broadband microwave transceiver control method applied to a phased array system;
fig. 2 is a schematic diagram of a broadband microwave transceiver control system applied to a phased array system.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
For the purpose of making the technical solution and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the invention, i.e., the embodiments described are merely some, but not all, of the embodiments of the invention. The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present invention. It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
The features and capabilities of the present invention are described in further detail below in connection with the examples.
As shown in fig. 1, the broadband microwave transceiving control method applied to the phased array system comprises the following steps:
step one, performing array element phase consistency calibration through a phase calibration module to obtain a calibration phase, and obtaining a phase deviation allowance according to a difference value between the calibration phase and a preset acceptable deviation phase;
step two, the phased array enters into operation, phase data of each array element are collected through a phase data collection module, the phase change rate of each array element and the phase change quantity of each array element are respectively obtained according to the collected phase data of each array element, the residual phase deviation allowance is obtained according to the difference value of the phase change quantity of each array element and the phase deviation allowance, and the array element state prediction after the setting time length is carried out on the array element phase state according to the phase change rate of each array element and the residual phase deviation allowance, so that each array element prediction state is obtained;
step three, according to each array element prediction state, obtaining the number of array elements to be calibrated in each array element prediction state, obtaining the damage degree of the phased array according to the ratio of the number of array elements to be calibrated to the total number of array elements, judging the state of the phased array according to the damage degree of the phased array, if the state is the usable state, entering the step four, otherwise, entering the maintenance state of the phased array after the time length is set, and returning to the step one;
step four, acquiring the working time length of the phased array, obtaining the average loss rate of the array elements according to the working time length and the number of the array elements to be calibrated, if the average loss rate of the array elements is not less than the set average loss rate, the working state of the phased array is abnormal, and entering step five, otherwise, if the average loss rate of the array elements is not greater than the set average loss rate, the working state of the phased array is normal, and entering step six;
step five, the phased array after the set time length enters a maintenance state, phased array state data are collected through a phased array element state data collection device, and fault detection is carried out on the phased array according to the phased array state data through a fault detection module, so that a fault result is obtained;
and step six, completing phased array control.
The phase change rate of each array element and the phase change quantity of the array element are respectively obtained according to the collected phase data of each array element, the residual phase deviation allowance is obtained according to the difference value of the phase change quantity of the array element and the phase deviation allowance, wherein the change quantity is the difference value of the collected phase of the array element and the calibration phase, and the phase change rate of the array element is as follows:
。
and predicting the array element state after the set time length is carried out on the array element phase state according to the array element phase change rate and the residual phase deviation allowance to obtain each array element prediction state, wherein the method comprises the following steps: and obtaining the phase change quantity after the set time length according to the phase change rate of the array element and the residual phase deviation allowance, wherein if the phase change quantity after the set time length is greater than the residual phase deviation allowance, the array element is the array element to be calibrated, otherwise, the array element is the normal array.
The method for obtaining the phased array according to the predicted state of each array element, obtaining the number of the array elements to be calibrated in the predicted state of each array element, obtaining the damage degree of the phased array according to the ratio of the number of the array elements to be calibrated to the total number of the array elements, and judging the state of the phased array according to the damage degree of the phased array, and comprises the following steps: if the damage degree of the phased array is greater than the set safety ratio, the phased array is in a state to be maintained, the phased array enters a maintenance state after a set time length, and otherwise, the phased array is in a usable state.
The obtaining the working time length of the phased array, according to the working time length and the number of the array elements to be calibrated, obtains the average loss rate of the array elements, and comprises the following steps: the working time length is the sum of the working time length of the phased array and the set time length, and the average loss rate of the array elements is obtained according to the ratio of the number of the array elements to be calibrated to the working time length.
The phased array after the set time length enters a maintenance state, phased array state data are collected through the array element state data collection device, fault detection is carried out on the phased array according to the phased array state data through the fault detection module, a fault result is obtained, and the phased array state data collected through the array element state data collection device comprise array element interval monitoring data and array element phase data.
As shown in fig. 2, the broadband microwave transceiver control system applied to the phased array system and the broadband microwave transceiver control method applied to the phased array system comprise a phase calibration module, an array element state data acquisition device, a data processing module, a fault detection module and an array element state prediction module;
the phase calibration module, the array element state data acquisition device, the fault detection module and the array element state prediction module are respectively connected with the data processing module.
The array element state data acquisition device comprises an array element interval data monitoring module and a phase data acquisition module; the array element spacing data monitoring module and the phase data acquisition module are respectively connected with the data processing module.
The foregoing is merely a preferred embodiment of the invention, and it is to be understood that the invention is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the invention are intended to be within the scope of the appended claims.
Claims (8)
1. The broadband microwave receiving and transmitting control method applied to the phased array system is characterized by comprising the following steps of:
step one, performing array element phase consistency calibration through a phase calibration module to obtain a calibration phase, and obtaining a phase deviation allowance according to a difference value between the calibration phase and a preset acceptable deviation phase;
step two, the phased array enters into operation, phase data of each array element are collected through a phase data collection module, the phase change rate of each array element and the phase change quantity of each array element are respectively obtained according to the collected phase data of each array element, the residual phase deviation allowance is obtained according to the difference value of the phase change quantity of each array element and the phase deviation allowance, and the array element state prediction after the setting time length is carried out on the array element phase state according to the phase change rate of each array element and the residual phase deviation allowance, so that each array element prediction state is obtained;
step three, according to each array element prediction state, obtaining the number of array elements to be calibrated in each array element prediction state, obtaining the damage degree of the phased array according to the ratio of the number of array elements to be calibrated to the total number of array elements, judging the state of the phased array according to the damage degree of the phased array, if the state is the usable state, entering the step four, otherwise, entering the maintenance state of the phased array after the time length is set, and returning to the step one;
step four, acquiring the working time length of the phased array, obtaining the average loss rate of the array elements according to the working time length and the number of the array elements to be calibrated, if the average loss rate of the array elements is not less than the set average loss rate, the working state of the phased array is abnormal, and entering step five, otherwise, if the average loss rate of the array elements is not greater than the set average loss rate, the working state of the phased array is normal, and entering step six;
step five, the phased array after the set time length enters a maintenance state, phased array state data are collected through a phased array element state data collection device, and fault detection is carried out on the phased array according to the phased array state data through a fault detection module, so that a fault result is obtained;
and step six, completing phased array control.
2. The broadband microwave transceiver control method applied to the phased array system according to claim 1, wherein the phase change rate of each array element and the phase change amount of the array element are obtained according to the collected phase data of each array element, the residual phase deviation allowance is obtained according to the difference between the phase change amount of the array element and the phase deviation allowance, the change amount is the difference between the collected phase of the array element and the calibration phase, and the phase change rate of the array element is:
。
3. the broadband microwave transceiver control method applied to the phased array system according to claim 2, wherein the predicting the array element state after the set period of time is performed on the array element phase state according to the array element phase change rate and the residual phase deviation margin to obtain each array element prediction state comprises: and obtaining the phase change quantity after the set time length according to the phase change rate of the array element and the residual phase deviation allowance, wherein the array element is the array element to be calibrated if the phase change quantity after the set time length is greater than the residual phase deviation allowance, otherwise, the array element is the normal array element.
4. The broadband microwave transceiver control method applied to a phased array system according to claim 3, wherein the obtaining the number of the array elements to be calibrated in each array element prediction state according to each array element prediction state, obtaining the phased array hazard level according to the ratio of the number of the array elements to be calibrated to the total number of the array elements, and judging the state of the phased array according to the phased array hazard level comprises: if the damage degree of the phased array is greater than the set safety ratio, the phased array is in a state to be maintained, the phased array enters a maintenance state after a set time length, and otherwise, the phased array is in a usable state.
5. The method for broadband microwave transceiver control applied to a phased array system according to claim 4, wherein the obtaining the working time length of the phased array and obtaining the average loss rate of the array elements according to the working time length and the number of the array elements to be calibrated comprises: the working time length is the sum of the working time length of the phased array and the set time length, and the average loss rate of the array elements is obtained according to the ratio of the number of the array elements to be calibrated to the working time length.
6. The broadband microwave transceiving control method applied to the phased array system according to claim 4, wherein the phased array after the set time length enters a maintenance state, phased array state data are collected through an array element state data collection device, fault detection is carried out on the phased array according to the phased array state data through a fault detection module, and a fault result is obtained, wherein the phased array state data collected through the array element state data collection device comprise array element distance monitoring data and array element phase data.
7. The broadband microwave receiving and transmitting control system applied to the phased array system is characterized by comprising a phase calibration module, an array element state data acquisition device, a data processing module, a fault detection module and an array element state prediction module, wherein the broadband microwave receiving and transmitting control method applied to the phased array system is applied to any one of claims 1-6;
the phase calibration module, the array element state data acquisition device, the fault detection module and the array element state prediction module are respectively connected with the data processing module.
8. The broadband microwave transceiver control system applied to the phased array system according to claim 7, wherein the array element state data acquisition device comprises an array element interval data monitoring module and a phase data acquisition module; the array element spacing data monitoring module and the phase data acquisition module are respectively connected with the data processing module.
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