CN117221933A - Visual broadband signal measurement equipment and measurement method applied to multipath reflection environment - Google Patents
Visual broadband signal measurement equipment and measurement method applied to multipath reflection environment Download PDFInfo
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- CN117221933A CN117221933A CN202310984360.9A CN202310984360A CN117221933A CN 117221933 A CN117221933 A CN 117221933A CN 202310984360 A CN202310984360 A CN 202310984360A CN 117221933 A CN117221933 A CN 117221933A
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- 230000000007 visual effect Effects 0.000 title claims abstract description 23
- 238000005259 measurement Methods 0.000 title claims description 9
- 238000000691 measurement method Methods 0.000 title claims description 4
- 238000000034 method Methods 0.000 claims abstract description 14
- 230000008054 signal transmission Effects 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 5
- 238000012360 testing method Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 2
- 238000004164 analytical calibration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention belongs to the technical field of positioning of wireless access products and information sources, and particularly relates to visual broadband signal measuring equipment and a measuring method applied to multipath reflection environments. The method and the device can accurately measure the position of the target in a complex urban environment, wherein the influence of multipath effect is serious, the signal clutter received by the signal receiver is more, and the position of the target information source can be accurately and intuitively measured.
Description
Technical Field
The invention relates to the technical field of positioning of wireless access products and information sources, in particular to visual broadband signal measuring equipment and a visual broadband signal measuring method applied to multipath reflection environments.
Background
The distance and polarization reasons of amplitude direction finding can lead to great direction finding deviation, and the anti-interference capability of time difference direction finding is weaker, and in order to reduce EMI and improve the overall direction finding precision, a visual broadband signal measuring device and a measuring method applied to multipath reflection environment are provided.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a visual broadband signal measuring device and a visual broadband signal measuring method applied to a multipath reflection environment.
In order to achieve the above purpose, the present invention adopts the following technical scheme: the utility model provides a be applied to visual broadband signal measurement equipment of multipath reflection environment, includes the base, install receiver module, data acquisition board, router, power on the base, the top fixed mounting of base has the wave-absorbing sponge, the wave-absorbing sponge is L shape, and the top fixed mounting of wave-absorbing sponge has a plurality of equidistant distributed's antenna oscillator, and a plurality of antenna oscillators are L shape and distribute, the quantity of antenna oscillator is five, the radome is installed at the top of base, wave-absorbing sponge and antenna oscillator all are located the radome, and fixed mounting has the camera on the top inner wall of radome, receiver module includes five passageway superheterodyne receivers, self-correcting signal generator and switch board, and five antenna oscillators pass through the radio frequency line and link to each other with five passageway superheterodyne receivers.
Preferably, a signal transmission module for transmitting the signals acquired from the data acquisition board to the client through a network cable or WiFi is arranged on the base.
Preferably, the same base line is connected between two connected antenna elements, and the lengths of the base lines between the five antenna elements are equal.
Preferably, a plurality of fixing columns distributed in a rectangular shape are fixedly arranged at the top of the base, and the radome is fixedly connected with the fixing columns.
Preferably, the output voltage of the power supply is 12V and the output current is 2.6A.
The visual broadband signal measuring method applied to the multipath reflection environment is suitable for the visual broadband signal measuring equipment applied to the multipath reflection environment, and comprises the following steps of:
s1, five antenna elements receive signals, convert the signals into intermediate frequency signals through a receiver, and calibrate the signals;
s2, the data acquisition board firstly receives the signals calibrated in the step S1, then processes the data of all channels input into the data acquisition board by using the FPGA, and transmits output data to the data transmission module;
s3, the signal transmission module transmits the signals acquired from the data acquisition board to the mobile phone and the computer through a network cable or WiFi.
Preferably, in step S3, the method further includes creating a database: the instrument is connected with a computer by using a network cable, signals received by the instrument are transmitted to a computer port to generate a database template file, and the generated template file is transmitted to a mobile phone terminal.
Preferably, the step S3 further comprises performing a test: a WiFi signal is generated through the router, a user connects the mobile phone APP with the lateral equipment through WiFi, the lateral equipment can send and receive data to the mobile phone APP in real time, and the mobile phone APP calculates the angle position with the highest correlation degree and marks the position through comparing the received data with the database.
Compared with the prior art, the invention has the beneficial effects that:
the method and the device can accurately measure the position of the target in a complex urban environment, wherein the influence of multipath effect is serious, the signal clutter received by the signal receiver is more, and the position of the target information source can be accurately and intuitively measured.
Drawings
FIG. 1 is a schematic diagram of the whole structure of the present invention;
FIG. 2 is a schematic diagram of the whole structure of the present invention;
FIG. 3 is a flow chart of data transmission in the present invention;
FIG. 4 is a diagram of calibration data and antenna data according to the present invention;
FIG. 5 is a flowchart of the library creating operation in the present invention.
In the figure: 1. a base; 2. a wave-absorbing sponge; 3. an antenna element; 4. fixing the column; 5. an antenna housing; 6. a camera is provided.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a be applied to visual broadband signal measurement equipment of multipath reflection environment, including base 1, install receiver module on the base 1, the data acquisition board, the router, the power, the top fixed mounting of base 1 has wave-absorbing sponge 2, wave-absorbing sponge 2 is L shape, wave-absorbing sponge 2's top fixed mounting has a plurality of equidistant antenna elements 3 that distribute, a plurality of antenna elements 3 are L shape and distribute, antenna element 3's quantity is five, radome 5 is installed at base 1's top, wave-absorbing sponge 2 and antenna element 3 all are located radome 5, and fixed mounting has camera 6 on radome 5's the top inner wall.
Further, the five antenna elements 3 form an L array by adopting any polarized antennas, signals received by the three horizontal antenna elements 3 are used for calculating azimuth angles between the radiation source and the direction-finding system, signals received by the three vertical antenna elements 3 are used for calculating pitch angles between the radiation source and the direction-finding system, the base line length between each antenna element 3 is fixed, the requirement of an interferometer direction-finding algorithm on the base line length is met, and the synchronous plate is used for synchronizing uplink signals and downlink signals between the base station and the mobile phone.
The receiver module comprises a five-channel superheterodyne receiver, a self-correcting signal generator and a switch board, and the five antenna elements 3 are connected with the five-channel superheterodyne receiver through radio frequency wires.
Further, the five antenna elements 3 are connected with the five-channel superheterodyne receiver through radio frequency lines, signals received by the antenna elements 3 are changed into intermediate frequency signals through the receiver, at this time, a set of known calibration signals are generated by the self-calibration generator, the signals enter the receiver as well as signals received by the antenna elements 3, the system measurement errors between the antenna elements 3 and the receiver due to lines and instruments can be known through the signal errors of the known calibration signals, the system errors are substituted into calculation, the more accurate antenna receiving signals can be reached, the function of the switch board is to control the on and off of the calibration signals, when the direction-finding instrument performs calibration, the switch board is turned on, only the calibration signals are sent at this time, the data acquisition board receives and calculates the calibration signals to perform instrument calibration, after the calibration is completed, the switch board is turned off, the instrument enters a working state, the data acquisition board receives signals and is switched to external signals, and normal work is started.
The base 1 is provided with a signal transmission module for transmitting signals acquired from the data acquisition board to a client through a network cable or WiFi.
Further, the signal transmission module mainly functions to transmit the signals acquired from the data acquisition board to the mobile phone and the computer through a network cable or WiFi, and the data transmission is divided into two steps, namely, a database is established firstly: the instrument is connected with the computer by using a network cable, signals received by the instrument are transmitted to a computer port to generate a database template file, the generated template file is transmitted to a mobile phone end, and a database building operation flow chart is shown in a fifth diagram. And then testing: a WiFi signal is generated through the router, a user connects the mobile phone APP with the lateral equipment through WiFi, the lateral equipment can send and receive data to the mobile phone APP in real time, and the mobile phone APP calculates the angle position with the highest correlation degree and marks the position through comparing the received data with the database.
The same base line is connected between the two connected antenna elements 3, and the lengths of the base lines between the five antenna elements 3 are equal.
The top of the base 1 is fixedly provided with a plurality of fixing columns 4 which are distributed in a rectangular shape, and the radome 5 is fixedly connected with the fixing columns 4.
The output voltage of the power supply was 12V and the output current was 2.6A.
The visual broadband signal measuring method applied to the multipath reflection environment is suitable for the visual broadband signal measuring equipment applied to the multipath reflection environment, and comprises the following steps of:
s1, five antenna elements 3 receive signals, convert the signals into intermediate frequency signals through a receiver, and calibrate the signals;
s2, the data acquisition board firstly receives the signals calibrated in the step S1, then processes the data of all channels input into the data acquisition board by using the FPGA, and transmits output data to the data transmission module;
s3, the signal transmission module transmits the signals acquired from the data acquisition board to the mobile phone and the computer through a network cable or WiFi.
And S3, establishing a database: the instrument is connected with a computer by using a network cable, signals received by the instrument are transmitted to a computer port to generate a database template file, and the generated template file is transmitted to a mobile phone terminal.
And step S3, testing: a WiFi signal is generated through the router, a user connects the mobile phone APP with the lateral equipment through WiFi, the lateral equipment can send and receive data to the mobile phone APP in real time, and the mobile phone APP calculates the angle position with the highest correlation degree and marks the position through comparing the received data with the database.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. Visual broadband signal measuring equipment for multipath reflection environment, comprising a base (1), characterized in that: install receiver module, data acquisition board, router, power on base (1), the top fixed mounting of base (1) has wave-absorbing sponge (2), wave-absorbing sponge (2) are L shape, and the top fixed mounting of wave-absorbing sponge (2) has a plurality of equidistant antenna oscillator (3) that distribute, and a plurality of antenna oscillator (3) are L shape and distribute, the quantity of antenna oscillator (3) is five, radome (5) are installed at the top of base (1), wave-absorbing sponge (2) and antenna oscillator (3) all are located radome (5), and fixedly mounted with camera (6) on the top inner wall of radome (5), the receiver module includes five-channel superheterodyne receiver, self-correcting signal generator and switch board, and five antenna oscillator (3) link to each other with five-channel superheterodyne receiver through the radio frequency line.
2. A visual broadband signal measurement apparatus for use in a multipath reflection environment as claimed in claim 1, wherein: and a signal transmission module for transmitting the signals acquired from the data acquisition board to the client through a network cable or WiFi is arranged on the base (1).
3. A visual broadband signal measurement apparatus for use in a multipath reflection environment as claimed in claim 1, wherein: the same base line is connected between the two connected antenna elements (3), and the lengths of the base lines between the five antenna elements (3) are equal.
4. A visual broadband signal measurement apparatus for use in a multipath reflection environment as claimed in claim 1, wherein: the top of base (1) fixed mounting has a plurality of fixed columns (4) that are the rectangle and distribute, radome (5) are in the same place with fixed column (4) fixed connection.
5. A visual broadband signal measurement apparatus for use in a multipath reflection environment as claimed in claim 1, wherein: the output voltage of the power supply is 12V and the output current is 2.6A.
6. A method for measuring a visual broadband signal applied to a multipath reflection environment, which is applicable to a visual broadband signal measuring device applied to a multipath reflection environment as claimed in any one of claims 1 to 5, and is characterized in that: the method comprises the following steps:
s1, five antenna elements (3) receive signals, convert the signals into intermediate frequency signals through a receiver, and calibrate the signals;
s2, the data acquisition board firstly receives the signals calibrated in the step S1, then processes the data of all channels input into the data acquisition board by using the FPGA, and transmits output data to the data transmission module;
s3, the signal transmission module transmits the signals acquired from the data acquisition board to the mobile phone and the computer through a network cable or WiFi.
7. A visual broadband signal measurement method applied to a multipath reflection environment is characterized by comprising the following steps of: and S3, establishing a database: the instrument is connected with a computer by using a network cable, signals received by the instrument are transmitted to a computer port to generate a database template file, and the generated template file is transmitted to a mobile phone terminal.
8. A visual broadband signal measurement method applied to a multipath reflection environment is characterized by comprising the following steps of: and step S3, testing: a WiFi signal is generated through the router, a user connects the mobile phone APP with the lateral equipment through WiFi, the lateral equipment can send and receive data to the mobile phone APP in real time, and the mobile phone APP calculates the angle position with the highest correlation degree and marks the position through comparing the received data with the database.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310984360.9A CN117221933A (en) | 2023-08-07 | 2023-08-07 | Visual broadband signal measurement equipment and measurement method applied to multipath reflection environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310984360.9A CN117221933A (en) | 2023-08-07 | 2023-08-07 | Visual broadband signal measurement equipment and measurement method applied to multipath reflection environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117221933A true CN117221933A (en) | 2023-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310984360.9A Pending CN117221933A (en) | 2023-08-07 | 2023-08-07 | Visual broadband signal measurement equipment and measurement method applied to multipath reflection environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117221933A (en) |
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2023
- 2023-08-07 CN CN202310984360.9A patent/CN117221933A/en active Pending
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