CN212305348U - Earth station electromagnetic environment interference measuring device - Google Patents
Earth station electromagnetic environment interference measuring device Download PDFInfo
- Publication number
- CN212305348U CN212305348U CN202022162772.9U CN202022162772U CN212305348U CN 212305348 U CN212305348 U CN 212305348U CN 202022162772 U CN202022162772 U CN 202022162772U CN 212305348 U CN212305348 U CN 212305348U
- Authority
- CN
- China
- Prior art keywords
- antenna
- gating switch
- earth station
- electromagnetic environment
- channel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses an earth station electromagnetic environment interference measuring device relates to radio communication technical field. The device comprises a supporting device, an azimuth rotating platform, a standard gain receiving antenna, a polarization adjusting device, a dual-channel gating switch, a low-noise amplifier, a multi-channel matrix gating switch and a rotary table controller. The utility model has the characteristics of simple structure, small, light in weight, convenient operation, low processing cost can realize multifrequency section interfering signal's measurement, obtain the nature of interference source and the compatibility of the unlimited radiation of selected station address and all kinds of interference sources, finally confirm whether the earth station address satisfies the requirement of building a station. The utility model discloses electromagnetic environment interference source measurement in earlier stage when specially adapted earth station antenna is built a station can provide important reference basis for earth station design, construction and construction.
Description
Technical Field
The utility model relates to a radio communication technical field especially indicates a earth station electromagnetic environment interference measuring device.
Background
With the development of modern scientific technology, especially the rapid development of radio communication and information technology, the space electromagnetic environment is increasingly deteriorated, and electromagnetic radiation interference sources are ubiquitous. Meanwhile, with the development of satellite communication technology, a large number of earth station antennas need to be built, and whether interference sources exist around station sites directly influence the signal quality of an earth station system and the station building cost. Therefore, through the electromagnetic environment interference test, data such as interference signal frequency, signal strength, signal incoming wave direction and the like which may exist around the antenna of the earth station to be built are obtained, and the data are very important for determining the pre-selection station site and the installation position of the antenna. The basic requirements are that the maximum interference level of all interference sources is measured in a relatively long time, the properties of the interference sources are analyzed, and the electromagnetic compatibility of the selected site antenna and the radio radiation of each interference source is pre-judged to be used as an important reference basis for the design, construction and construction of the earth station.
Currently, earth station electromagnetic environment interference measurement usually utilizes an elevated receiving antenna to measure the interference source in a manual azimuth scanning manner. This approach suffers from the following disadvantages:
1) during measurement, the azimuth angle of the receiving antenna needs to be manually rotated, so that time and labor are wasted, and the measurement efficiency is low;
2) when the working frequency band is switched, different receiving antennas need to be manually replaced, which increases time and labor cost.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at avoiding the weak point among the above-mentioned background art, provide a station electromagnetic environment interference measuring device, it can realize quick full frequency band's electromagnetic environment interference measurement, has characteristics such as simple structure, small, light in weight, convenient operation.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
an electromagnetic environment interference measuring device for an earth station comprises a supporting device and an azimuth rotating platform arranged on the supporting device; the system also comprises a rotary table controller, a multi-channel matrix gating switch, an ultra-wideband amplifier, a first dual-channel gating switch and a plurality of antenna paths covering different frequency range ranges, wherein each antenna path is respectively connected with one corresponding shunt end of the multi-channel matrix gating switch;
each antenna path comprises a standard gain receiving antenna, a polarization adjusting device, a second double-channel gating switch and a narrow-band low-noise amplifier; each standard gain receiving antenna is arranged on the azimuth rotating platform and faces to different directions, the polarization direction of the standard gain receiving antenna is adjusted by the polarization adjusting device in a rotating mode, and a rotating shaft of the polarization adjusting device is perpendicular to that of the azimuth rotating platform; in each antenna path, the output end of the standard gain receiving antenna is connected with the combining end of the second dual-channel gating switch, one branching end of the second dual-channel gating switch is connected to the corresponding branching end of the multi-path matrix gating switch after passing through the narrow-band low-noise amplifier, and the other branching end is directly connected to the corresponding branching end of the multi-path matrix gating switch;
the combining end of the multi-path matrix gating switch is respectively connected with the two branch ends of the first dual-path gating switch through two branches, wherein one branch is provided with an ultra-wideband amplifier, and the other branch is in direct connection;
the rotary table controller is respectively connected with each polarization adjusting device, each second double-channel gating switch, the multi-path matrix gating switch, the first double-channel gating switch and the azimuth rotary platform and is used for controlling the action of the multi-path matrix gating switch.
Furthermore, the standard gain receiving antennas are all broadband antennas, all the standard gain receiving antennas are uniformly distributed around the rotating shaft of the azimuth rotating platform, and the orientation of the standard gain receiving antennas is the radial direction of the azimuth rotating platform.
Further, the standard gain receiving antenna is a loop antenna, a log periodic antenna, a pyramid horn antenna or a ridged horn antenna.
Further, the polarization adjusting device comprises an electric control 90-degree rotating mechanism and a manually-locked fixing fastener.
Furthermore, the two rotary table controllers are respectively a local rotary table controller and a remote rotary table controller, and local control and remote control are respectively realized.
Furthermore, the frequency ranges of all the standard gain receiving antennas are combined to cover 10 KHz-1.1 THz.
Compared with the prior art, the utility model has the following advantages:
1. the utility model discloses all kinds of standard gain receiving antenna of mountable on the rotary platform of device, including loop antenna, broadband log periodic antenna, add spine horn antenna, pyramid horn antenna etc.. By controlling the multi-channel matrix gating switch, different receiving antennas can be switched, so that full-band measurement is realized.
2. The utility model can realize the manual/automatic fast switching of horizontal/vertical polarization by controlling the polarization rotating device; by controlling the azimuth rotating platform, 360-degree continuous scanning measurement of the azimuth plane can be realized; by controlling the two-channel gating switch, the selection of various working states such as broadband, narrow band, amplifier-free and the like can be realized.
3. The utility model discloses simple structure, it is easy and simple to handle, degree of automation is high, the cost of using manpower sparingly, and measurement accuracy is high, and expanded space is great.
4. The utility model discloses can be used to earth station site selection such as satellite communication, radio astronomy, remote sensing telemetering measurement, broadband signal monitoring, to the measurement of the peripheral electromagnetic environment interference source of installation scene when building the station, the measurement of electromagnetic environment interference source in earlier stage when specially adapted earth station antenna built the station to it is feasible whether definite preselection site and antenna position.
Drawings
Fig. 1 is a block diagram of a measuring device according to an embodiment of the present invention.
Fig. 2 is a top view of a measuring device in an embodiment of the present invention.
Fig. 3 is a bottom view of the measuring device in the embodiment of the present invention.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and the detailed description.
Referring to fig. 1, the device for measuring the electromagnetic environment interference of the earth station comprises a supporting device 9, an azimuth rotating platform 8, standard gain receiving antennas 1-n, polarization adjusting devices 2-1-2-n, two-channel gating switches 3-1-3-n, narrow-band low-noise amplifiers 4-1-4-n, a multi-channel matrix gating switch 5, an ultra-wideband amplifier 6, two-channel gating switches 7, a local turntable controller 10, a remote turntable controller 11 and the like.
Specifically, as shown in fig. 2 and 3, the device has 4 antenna paths in total. The standard gain receiving antenna is in the form of a loop antenna 1-1, a log periodic antenna 1-2, a pyramid horn antenna 1-3 and a ridged horn antenna 1-4, is used for receiving interference sources with different frequency bands of 100 KHz-150 MHz, 100 MHz-1 GHz, 1 GHz-18 GHz, 17 GHz-21 GHz and the like, is respectively arranged on the polarization adjusting device 2-1-2-4, and is uniformly distributed and arranged on the azimuth rotating platform 8 in a radial shape. The multi-channel matrix gating switch 5, the two-channel gating switches 3-1-3-4 and the two-channel gating switch 7 achieve gating of receiving antennas in different frequency bands in the measuring process and are all installed on the azimuth rotating platform 8.
The polarization adjusting devices 2-1-2-4 comprise an electric control 90-degree rotating mechanism and a fixing fastener locked manually. The 90-degree rotating mechanism realizes automatic adjustment of the polarization direction of the antenna under the control of the local turntable controller 10 or the remote turntable controller 11, and in addition, the polarization direction of the antenna can also be manually adjusted, and then the polarization direction is manually locked through a fixing fastener. The polarization adjusting devices 2-1 to 2-4 are installed on the azimuth rotating platform 8.
The local turntable controller 10 and the remote turntable controller 11 can realize the direction and angle control of the orientation rotating platform 8 in the measuring process, thereby realizing the selection of the antenna frequency band. And the polarization mode switching of the antenna can be realized by controlling the polarization adjusting devices 2-1-2-4. In addition, the selection of various working states such as broadband, narrow band, amplifier-free and the like can be realized by controlling the double-channel gating switches 3-1-3-4, the multi-channel matrix gating switch 5 and the double-channel gating switch 7.
For example, when the antenna is to be connected to a loop antenna for reception, the polarization adjustment device 2-1 is selected to be horizontal or vertical, the two-channel gate switch 3-1 is through, the input terminal of the multi-channel matrix gate switch 5 is selected to be a loop antenna, the output terminal thereof is selected to be a broadband amplifier 6, the two-channel gate switch 7 is selected to be a broadband amplifier 6, and the direction and angle of the azimuth rotation platform 8 are controlled by controlling the local turntable controller 10 or the remote turntable controller 11, whereby selection and measurement of the reception state of the loop antenna are completed.
When the device is used, the rotating platform is installed on the supporting structure, the polarization adjusting device is installed on the rotating platform, the standard antenna is installed on the polarization device, the double-channel gating switch, the multi-channel matrix gating switch and the broadband/narrowband amplifier are installed on the rotating turntable, the local turntable controller is installed on the supporting structure, and the remote turntable controller is independently placed through wireless/wired connection.
The utility model discloses accessible local or remote control mode carries out real time control to azimuth rotary platform, polarization adjusting device, binary channels gating switch, multichannel matrix gating switch, has functions such as quick manual/electric switch-over, different receiving antenna automatic switch-over and the 360 electronic continuous scanning of azimuth plane of receiving antenna polarization (level/perpendicular), can realize earth station electromagnetic environment interference signal's full frequency channel and measure.
In a word, the utility model has the characteristics of simple structure, small, light in weight, convenient operation, low processing cost, can realize multifrequency section interfering signal's measurement, obtain interfering source's nature and the compatibility of the unlimited radiation of selected station address and all kinds of interfering sources, finally confirm whether the earth station address satisfies the requirement of building a station. The utility model discloses electromagnetic environment interference source measurement in earlier stage when specially adapted earth station antenna is built a station can provide important reference basis for earth station design, construction and construction.
Claims (6)
1. An electromagnetic environment interference measuring device of an earth station comprises a supporting device (9) and an azimuth rotating platform (8) arranged on the supporting device (9); the multi-channel antenna is characterized by further comprising a rotary table controller, a multi-channel matrix gating switch (5), an ultra-wideband amplifier (6), a first dual-channel gating switch (7) and a plurality of antenna paths covering different frequency range ranges, wherein each antenna path is connected with one corresponding shunt end of the multi-channel matrix gating switch (5);
each antenna path comprises a standard gain receiving antenna, a polarization adjusting device, a second double-channel gating switch and a narrow-band low-noise amplifier; each standard gain receiving antenna is arranged on an azimuth rotating platform (8) and faces to different directions, the polarization direction of the standard gain receiving antenna is adjusted by a polarization adjusting device in a rotating mode, and a rotating shaft of the polarization adjusting device is perpendicular to that of the azimuth rotating platform; in each antenna path, the output end of the standard gain receiving antenna is connected with the combining end of the second dual-channel gating switch, one branching end of the second dual-channel gating switch is connected to the corresponding branching end of the multi-path matrix gating switch after passing through the narrow-band low-noise amplifier, and the other branching end is directly connected to the corresponding branching end of the multi-path matrix gating switch;
the combining end of the multi-path matrix gating switch (5) is respectively connected with the two shunt ends of the first dual-path gating switch (7) through two branches, wherein one branch is provided with an ultra-wideband amplifier (6), and the other branch is in through connection;
the rotary table controller is respectively connected with the polarization adjusting devices (2-1-2-n), the second double-channel gating switches (3-1-3-n), the multi-path matrix gating switch (5), the first double-channel gating switch (7) and the azimuth rotating platform (8) and used for controlling the actions of the polarization adjusting devices.
2. An electromagnetic environment interference measuring device for earth stations according to claim 1, characterized in that said standard gain receiving antennas are all antennas in broadband form, all standard gain receiving antennas being evenly distributed around the rotation axis of the azimuth rotating platform (8), the orientation of the standard gain receiving antennas being the radial direction of the azimuth rotating platform (8).
3. The earth station electromagnetic environment interference measuring device of claim 2, characterized in that the standard gain receiving antenna is a loop antenna, a log periodic antenna, a pyramid horn antenna or a ridged horn antenna, respectively.
4. The earth station electromagnetic environment interference measuring device according to claim 1, characterized in that said polarization adjusting means (2-1-2-n) comprises an electrically controlled 90 degree rotation mechanism and a manually locked fastening fastener.
5. An earth station electromagnetic environment interference measuring device according to claim 1, characterized in that there are two said turret controllers, a local turret controller (10) and a remote turret controller (11), for local control and remote control respectively.
6. The earth station electromagnetic environment interference measuring device according to claim 1, characterized in that the frequency ranges of all standard gain receiving antennas (1-n) are combined to cover 10 KHz-1.1 THz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022162772.9U CN212305348U (en) | 2020-09-28 | 2020-09-28 | Earth station electromagnetic environment interference measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022162772.9U CN212305348U (en) | 2020-09-28 | 2020-09-28 | Earth station electromagnetic environment interference measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212305348U true CN212305348U (en) | 2021-01-05 |
Family
ID=73934006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022162772.9U Active CN212305348U (en) | 2020-09-28 | 2020-09-28 | Earth station electromagnetic environment interference measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212305348U (en) |
-
2020
- 2020-09-28 CN CN202022162772.9U patent/CN212305348U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Arai | Measurement of mobile antenna systems | |
| CN204649862U (en) | A kind of Multi probe near field antenna test macro | |
| CN106712864B (en) | Method and device for testing and optimizing performance of intelligent antenna | |
| CN111010242B (en) | Radiation stray test equipment and system and radiation stray test method | |
| US10505275B2 (en) | System and method for near field test of active antenna system (ASS)transceiver | |
| CN110401500B (en) | Measuring device and measuring method | |
| CN101916918A (en) | Automatically polarized adjustment antenna system and polarization calibration method thereof | |
| CN102273010B (en) | Hooked turnstile antenna for navigation and communication | |
| CN102594961A (en) | Test system of mobile phone antenna | |
| CN204086408U (en) | A kind of Antenna Far Field test macro based on photoelectric conversion technique | |
| CN109959909B (en) | Single-transmitting double-receiving RCS (remote control system) testing system and testing method for circular polarization testing | |
| CN106453770A (en) | Mobile terminal coupling test system and method | |
| EP3316491B1 (en) | Method and apparatus for detecting connection line order of electrical tilting antenna | |
| CN205643543U (en) | 24 probe near field antenna test system | |
| CN111447018A (en) | Millimeter wave multi-terminal grouping test system and method | |
| CN111669232A (en) | Wireless communication equipment testing system and method based on multi-feed source compact range | |
| CN111988100A (en) | Earth station electromagnetic environment interference measuring device | |
| CN212305348U (en) | Earth station electromagnetic environment interference measuring device | |
| KR20060023246A (en) | Measuring method of transmitting and receiving sensitivity in wireless communications and measurement systems using thereof | |
| CN108352619B (en) | Reflector antenna and antenna alignment method | |
| CN111413553A (en) | Antenna test system and test method | |
| US4477812A (en) | Signal acquisition and tracking system | |
| US10277341B2 (en) | Test system and method for testing multiple input multiple output capabilities | |
| CN110579648A (en) | antenna gain judging method and judging device | |
| CN113572545B (en) | Active performance rapid test method and device based on terminal antenna reciprocity |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |