CN113009451B - Remote radar microwave scattering receiving method - Google Patents
Remote radar microwave scattering receiving method Download PDFInfo
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- CN113009451B CN113009451B CN202110496563.4A CN202110496563A CN113009451B CN 113009451 B CN113009451 B CN 113009451B CN 202110496563 A CN202110496563 A CN 202110496563A CN 113009451 B CN113009451 B CN 113009451B
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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
- G01S7/41—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00 using analysis of echo signal for target characterisation; Target signature; Target cross-section
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Abstract
The invention provides a long-distance radar microwave scattering receiving method, which relates to the technical field of surveying and mapping and comprises the following steps: s1: arranging a first receiving plate and a second receiving plate; s2: providing first, second and third microwave detectors; s3: the second receiving plate is driven to rotate around the first receiving plate during detection; s4: starting a first microwave detector and a second microwave detector to obtain microwave information, analyzing a detection signal, and decoding information content of a reference microwave signal; s5: detecting detection information of a third microwave detector of which the second receiving plate rotates for a circle; s6: acquiring a group of data with the largest difference with the information content of the reference microwave signal, and acquiring position information of a third microwave detector; s7: and analyzing the microwave scattering value according to the position and the information content difference. The microwave signal detection device is convenient to use, good in detection effect, capable of effectively detecting the microwave signal and the scattering value thereof, convenient for correcting the microwave signal, capable of improving the microwave detection accuracy and capable of remotely reading the microwave signal.
Description
Technical Field
The invention relates to the technical field of surveying and mapping,
in particular, the invention relates to a long-distance radar microwave scattering receiving method.
Background
With the rapid progress of society, radio frequency signal monitoring has been widely used in many fields, such as radio spectrum management, border and coast security, wireless communication monitoring, etc., radar transmits high frequency electromagnetic waves to a remote place through a transmitting antenna, receives the reflected electromagnetic waves through a receiving antenna, and infers the spatial position, structure, form, quality, etc. of a detection target from the waveform, amplitude intensity, and temporal variation of the received electromagnetic waves.
The high-frequency electromagnetic wave has a short wavelength which is short wave even microwave, and because the distance between each wave crest and each wave trough is short and the diffraction capability is weak, the high-frequency electromagnetic wave is easily blocked and scattered by obstacles in the air, so that a microwave scattering value needs to be acquired during the detection of the remote microwave, a detection signal is corrected, and the microwave signal can be effectively acquired.
Therefore, in order to solve the above problems, it is necessary to design a reasonable long-range radar microwave scattering reception method.
Disclosure of Invention
The invention aims to provide a long-distance radar microwave scattering receiving method which is convenient to use, good in detection effect, capable of effectively detecting microwave signals and scattering values thereof, convenient to correct the microwave signals, capable of improving the microwave detection accuracy and capable of remotely reading the microwave signals.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
a long-distance radar microwave scattering receiving method comprises the following steps:
s1: an oval second receiving plate is arranged on the outer side of the round first receiving plate, and the second receiving plate and the first receiving plate are coaxially arranged;
s2: a first microwave detector is arranged in the center of the first receiving plate, a second microwave detector is arranged on the outer edge of the first receiving plate, and a third microwave detector is arranged on the outer edge of the second receiving plate;
s3: when microwave detection is carried out, the second receiving plate is driven to rotate around the central axis of the first receiving plate;
s4: starting a first microwave detector and a second microwave detector to start to acquire microwave information, reading and analyzing signals of the first microwave detector and the second microwave detector, and decoding information content of a reference microwave signal;
s5: detecting all microwave detection information of a third microwave detector, wherein the second receiving plate rotates around the central axis of the first receiving plate for a circle;
s6: acquiring signals of all third microwave detectors, comparing the signals of all the third microwave detectors to obtain a group of data with the largest difference between the information content of the signals of the third microwave detectors and the information content of the reference microwave signals, and acquiring position information of the third microwave detectors when the signals corresponding to the group of data are received, and recording the position information as a mark position;
s7: and analyzing a microwave scattering value according to the positions of the mark relative to the first microwave detector and the second microwave detector and the information content difference of the microwave signals.
Preferably, in step S1, a through hole is formed in the center of the second receiving plate for allowing the first receiving plate to pass through, and a slide rail is formed on the outer side of the first receiving plate for allowing the second receiving plate to rotate.
Preferably, in step S2, the number of the first microwave detectors is one, the number of the second microwave detectors is at least two, and the number of the third microwave detectors is at least two.
As a preferable aspect of the present invention, before the step S3 is performed, a driving motor for driving the second receiving plate to rotate is provided between the perforation and the first receiving plate.
Preferably, when steps S4 and S6 are executed, the information detected by the first microwave detector, the second microwave detector and the third microwave detector is converted into a current signal by the signal converter, and the current signal is sent to the control center.
Preferably, when step S6 is executed, every predetermined time, the detection signal of each third microwave detector, that is, M third microwave detectors, is obtained, each third microwave detector obtains signals N times during one rotation of the second receiving plate around the central axis of the first receiving plate, then M × N groups of signals are compared to obtain a group of data having the largest difference from the information content of the reference microwave signal, and the position information of the third microwave detector at the time of receiving the signal corresponding to the group of data is obtained.
Preferably, when step S7 is executed, the position of the second microwave detector closest to the mark position is obtained first and recorded as the second mark position, and then the microwave scattering value is analyzed according to the mark position, the second mark position, the position of the first microwave detector, and the information content difference of the microwave signals of the microwave detectors located at the three positions.
The invention discloses a long-distance radar microwave scattering receiving method, which has the beneficial effects that: the microwave signal detection device is convenient to use and good in detection effect, effectively detects microwave signals and scattering values thereof, is convenient to correct the microwave signals, improves the microwave detection accuracy, and can read the microwave signals remotely.
Drawings
Fig. 1 is a schematic flow chart of a remote radar microwave scattering receiving method according to the present invention.
Detailed Description
The following are specific examples of the present invention and further describe the technical solutions of the present invention, but the present invention is not limited to these examples.
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the modules and steps set forth in these embodiments and steps do not limit the scope of the invention unless specifically stated otherwise.
Meanwhile, it should be understood that the flows in the drawings are not merely performed individually for convenience of description, but a plurality of steps are performed alternately with each other.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
Example (b): as shown in fig. 1, which is only one embodiment of the present invention, a long-range radar microwave scattering receiving method includes the steps of:
s1: an elliptical second receiving plate is arranged on the outer side of the circular first receiving plate, and the second receiving plate and the first receiving plate are coaxially arranged;
and when step S1 is executed, a through hole for facilitating the first receiving plate to pass through is arranged in the center of the second receiving plate, and a sliding rail for facilitating the second receiving plate to rotate is arranged on the outer side of the first receiving plate. That is, the first receiving plate and the second receiving plate are coaxially disposed, and the second receiving plate can rotate around the first receiving plate.
S2: a first microwave detector is arranged in the center of the first receiving plate, a second microwave detector is arranged on the outer edge of the first receiving plate, and a third microwave detector is arranged on the outer edge of the second receiving plate;
here, when step S2 is performed, the number of the first microwave detectors is one, the number of the second microwave detectors is at least two, and the number of the third microwave detectors is at least two. The outer edge is substantially the periphery, i.e. the second microwave detectors are located on the circumference of the circular first receiving plate, but the second microwave detectors are located on the first receiving plate and do not extend out of the outer side of the first receiving plate.
The plurality of second microwave detectors are uniformly arranged along the circumference of the first receiving plate, namely, the distance between each second microwave detector and the first microwave detector is the same, so that the error in microwave detection can be effectively reduced, namely, the detection signals of the first microwave detector and all the second microwave detectors are integrated to be detected microwave signals.
S3: when microwave detection is carried out, the second receiving plate is driven to rotate around the central axis of the first receiving plate;
of course, before step S3 is performed, a driving motor for driving the second receiving plate to rotate is provided between the punched hole and the first receiving plate. The second receiving plate is driven to rotate around the central axis of the first receiving plate through the work of the driving motor.
S4: starting a first microwave detector and a second microwave detector to start to acquire microwave information, reading and analyzing signals of the first microwave detector and the second microwave detector, and decoding information content of a reference microwave signal;
when step S4 is executed, the information detected by the first microwave detector and the second microwave detector is converted into a current signal by the signal converter, and the current signal is sent to the control center. The signal converter converts microwave signals detected by the first microwave detector and the second microwave detector into current signals, and the control center analyzes and processes data.
It should be noted that the signal of all the first microwave detector and the signal of all the second microwave detector are comprehensively analyzed to be the information content of the reference microwave signal.
S5: detecting all microwave detection information of a third microwave detector in a circle of rotation of the second receiving plate around the central axis of the first receiving plate;
s6: acquiring signals of all third microwave detectors, comparing the signals of all the third microwave detectors to obtain a group of data with the largest difference between the information content of the signals of the third microwave detectors and the information content of the reference microwave signals, and acquiring position information of the third microwave detectors when the signals corresponding to the group of data are received, and recording the position information as a mark position;
similarly, when step S6 is executed, all the information detected by the third microwave detector is converted into current signals by the signal converter and sent to the control center.
Certainly, when step S6 is executed, every predetermined time interval, the detection signal of each third microwave detector, that is, M third microwave detectors, is obtained, and each third microwave detector obtains signals N times within one rotation of the second receiving plate around the central axis of the first receiving plate, then M × N groups of signals are compared, so as to obtain a group of data having the largest difference with the information content of the reference microwave signal, and obtain the position information of the third microwave detector when the signal corresponding to the group of data is received.
Theoretically, the smaller the minor axis of the ellipse of the second receiving plate is closer to the circular diameter of the first receiving plate, the better the difference between the major axis of the ellipse of the second receiving plate and the circular diameter of the first receiving plate is, in short, the flatter the ellipse of the second receiving plate is, the better the distance difference between the third microwave detectors arranged at the outer edge of the second receiving plate and the first microwave detector is, the larger the difference between the distances between the third microwave detectors and the first microwave detector is, the more groups of differential detection data can be obtained, and thus, in M × N groups of signals, the group of data with the largest difference between the information content of the reference microwave signals can be obtained more easily.
S7: and analyzing a microwave scattering value according to the positions of the mark positions relative to the first microwave detector and the second microwave detector and the information content difference of the microwave signals.
And when the step S7 is executed, the position of the second microwave detector closest to the mark position is obtained first and recorded as the second mark position, and then the microwave scattering value is analyzed according to the mark position, the second mark position, the position of the first microwave detector, and the information content difference of the microwave signals of the microwave detectors located at the three positions.
Preferably, the information content of the reference microwave signal is corrected according to the obtained microwave scattering value and then is sent to the worker equipment, so that the worker can conveniently read the information.
The remote radar microwave scattering receiving method is convenient to use, good in detection effect, capable of effectively detecting microwave signals and scattering values thereof, convenient for microwave signal correction, capable of improving microwave detection accuracy and capable of remotely reading the microwave signals.
The present invention is not limited to the above-described specific embodiments, and various modifications and variations are possible. Any modifications, equivalents, improvements and the like made to the above embodiments in accordance with the technical spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. A remote radar microwave scattering receiving method is characterized by comprising the following steps:
s1: an elliptical second receiving plate is arranged on the outer side of the circular first receiving plate, and the second receiving plate and the first receiving plate are coaxially arranged;
s2: a first microwave detector is arranged in the center of the first receiving plate, a second microwave detector is arranged on the outer edge of the first receiving plate, and a third microwave detector is arranged on the outer edge of the second receiving plate;
s3: when microwave detection is carried out, the second receiving plate is driven to rotate around the central axis of the first receiving plate;
s4: starting a first microwave detector and a second microwave detector to start to acquire microwave information, reading and analyzing signals of the first microwave detector and the second microwave detector, and decoding information content of a reference microwave signal;
s5: detecting all microwave detection information of a third microwave detector, wherein the second receiving plate rotates around the central axis of the first receiving plate for a circle;
s6: acquiring signals of all third microwave detectors, comparing to obtain a group of data with the largest difference between the content of the signal of the third microwave detector and the information content of the reference microwave signal, and acquiring position information of the third microwave detector when the signal corresponding to the group of data is received, and recording the position information as a mark position;
s7: and analyzing a microwave scattering value according to the positions of the mark positions relative to the first microwave detector and the second microwave detector and the information content difference of the microwave signals.
2. A remote radar microwave scattering reception method as set forth in claim 1, wherein:
when step S1 is executed, a through hole for enabling the first receiving plate to conveniently penetrate is formed in the center of the second receiving plate, and a sliding rail for enabling the second receiving plate to rotate is arranged on the outer side of the first receiving plate.
3. A remote radar microwave scattering reception method as set forth in claim 1, wherein:
when step S2 is executed, the number of the first microwave detectors is one, the number of the second microwave detectors is at least two, and the number of the third microwave detectors is at least two.
4. A remote radar microwave scattering reception method as set forth in claim 2, wherein:
before step S3 is performed, a driving motor for driving the second receiving plate to rotate is disposed between the through hole and the first receiving plate.
5. A remote radar microwave scattering reception method as set forth in claim 1, wherein:
and when the steps S4 and S6 are executed, the information detected by the first microwave detector, the second microwave detector and the third microwave detector is converted into current signals through the signal converter and is sent to the control center.
6. A remote radar microwave scattering reception method as set forth in claim 3, wherein:
and step S6 is executed, every preset time interval, acquiring the detection signal of each third microwave detector, that is, M third microwave detectors, and each third microwave detector acquires signals N times during one rotation of the second receiving board around the central axis of the first receiving board, and then comparing M × N sets of signals to obtain a set of data with the largest difference from the information content of the reference microwave signal, and acquiring the position information of the third microwave detector when the signal corresponding to the set of data is received.
7. A remote radar microwave scattering reception method as claimed in claim 6, wherein:
and when the step S7 is executed, the position of the second microwave detector closest to the mark position is obtained first and recorded as the second mark position, and then the microwave scattering value is analyzed according to the mark position, the second mark position, the position of the first microwave detector, and the information content difference of the microwave signals of the microwave detectors located at the three positions.
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- 2021-05-07 CN CN202110496563.4A patent/CN113009451B/en active Active
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| US4195262A (en) * | 1978-11-06 | 1980-03-25 | Wisconsin Alumni Research Foundation | Apparatus for measuring microwave electromagnetic fields |
| CN104569960A (en) * | 2014-12-18 | 2015-04-29 | 北京无线电计量测试研究所 | Synchronous scattering point area determination method for double-station radar target property measurement |
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