CN203444332U - Outfield simulator for microwave landing system - Google Patents
Outfield simulator for microwave landing system Download PDFInfo
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- CN203444332U CN203444332U CN201320512644.XU CN201320512644U CN203444332U CN 203444332 U CN203444332 U CN 203444332U CN 201320512644 U CN201320512644 U CN 201320512644U CN 203444332 U CN203444332 U CN 203444332U
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Abstract
The utility model provides an outfield simulator for a microwave landing system. The outfield simulator comprises a controller, a power supply, a user interface unit, a radio frequency module and an emission antenna, wherein the power supply, the user interface unit and the radio frequency module are connected with the controller, and the emission antenna is connected with the radio frequency module. The outfield simulator provided by the utility model can be used for automatic detection of the microwave landing system, simplifying the detection process.
Description
Technical field
The utility model relates to a kind of microwave landing system (MLS) outfield simulator.
Background technology
Microwave landing system (MLS) outfield simulator is microwave landing system (MLS) necessary a kind of special test equipment in maintenance process, for qualitatively described microwave landing system (MLS) being tested.It can simulate microwave landing system (MLS) earth station to air-launched bearing signal, elevation signals, data-signal, for test microwave landing system (MLS), whether can according to these signals, carry out aircraft normally and land according to different orientation, the elevation angle, whether further detect described microwave landing system (MLS) in normal condition.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of microwave landing system (MLS) outfield simulator, can automatically detect described microwave landing system (MLS), has simplified trace routine.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of microwave landing system (MLS) outfield simulator is provided, comprises a controller, the power module being connected with described controller respectively, user interface section, radio-frequency module and the emitting antenna being connected with described radio-frequency module.
Wherein, described controller is a FPGA controller.
Wherein, described user interface section comprises panel-switch and pilot lamp.
Wherein, described panel-switch comprises self check, continuous wave mode, upper left pattern, center mode and bottom right model selection.
Wherein, described pilot lamp is working station indicator.
Wherein, described pilot lamp comprises self check pilot lamp, continuous wave mode pilot lamp, upper left pattern pilot lamp, center mode pilot lamp and bottom right pattern pilot lamp.
Wherein, described radio-frequency module comprises frequency source module, the DPSK phase shift block being connected with described frequency source module and the AM amplitude modulation(PAM) module being connected with described DPSK phase shift block.
Wherein, described microwave landing system (MLS) outfield simulator also comprises a power interface for being connected with described microwave landing system (MLS), and described power interface is connected with described power module.
Wherein, described power module is a power module independently.
The beneficial effects of the utility model are: the situation that is different from prior art, microwave landing system (MLS) of the present utility model outfield simulator can detect automatically to described microwave landing system (MLS), simplify trace routine, facilitated microwave landing system (MLS) described in testing staff's fast detecting.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the block scheme of the utility model microwave landing system (MLS) outfield simulator the first embodiment.
Fig. 2 is the block scheme of the radio-frequency module of the utility model microwave landing system (MLS) outfield simulator.
Fig. 3 is the block scheme of the utility model microwave landing system (MLS) outfield simulator the second embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 1 is the block scheme of the utility model microwave landing system (MLS) outfield simulator the first embodiment.The microwave landing system (MLS) outfield simulator of the present embodiment comprises a controller 40, the power module 10 being connected with described controller 40 respectively, user interface section 20, radio-frequency module 30 and the emitting antenna 50 being connected with described radio-frequency module 30.Wherein:
Described power module 10 is connected with described controller 40, for whole microwave landing system (MLS) outfield simulator is powered.In the present embodiment, it is that described microwave landing system (MLS) outfield simulator is powered that described power module 10 adopts independently power module.
Described user interface section 20 is specially an I/O unit.Described user interface section 20 comprises panel-switch 201 and pilot lamp 202, described panel-switch 201 is as input block, the input instruction that it is undertaken by opening or close this panel-switch 201 for receiving user, described panel-switch 201 specifically comprises: self check, continuous wave mode, upper left pattern, center mode and bottom right model selection.Described pilot lamp 202 is as an output unit, and the state that it is pressed as each switch shows, in the present embodiment, described pilot lamp 202 is one.Wherein:
When described panel-switch 201 is selected self check, equipment produces self-test signal and sends self-test signal to described controller 40.Described controller 40 carries out self check according to described self-test signal to described microwave landing system (MLS) outfield simulator; Described controller 40 is also controlled the demonstration output that described pilot lamp 202 carries out self check state, for example: when in Auto-Sensing Mode, described pilot lamp 202 shows red light;
Described panel-switch 201 is selected continuous wave mode, refers to that the signal that radio-frequency module 30 sends is all continuous wave signal, without the signal of crossing debugging; Described continuous wave mode signal is sent to described controller 40, and the signal that described controller 40 sends according to described continuous wave mode signal controlling, through described radio-frequency module 30, does not carry out DPSK modulation and amplitude modulation(PAM); Described controller 40 is also controlled the demonstration output that described pilot lamp 202 carries out continuous mode, for example: when in continuous mode, described pilot lamp 202 carries out fast blink;
Described panel-switch 201 is selected upper left pattern, refers to that it is top-left position signal that described controller 40 is controlled the simulating signal producing, and this signal sends by emitting antenna 50 after radiofrequency signal debugging; When user's openable panel switch 201 is selected after the pattern of upper left, produce top-left position signal to described controller 40, described controller 40 produces the simulating signal of top-left position and this simulating signal is sent to described radio-frequency module 30, described radio-frequency module 30 sends by emitting antenna 50 after debugging, and described simulating signal comprises envelope data signal, bearing signal and elevation signals; Described controller 40 is also controlled described pilot lamp 202 and is carried out upper left pattern demonstration output, for example: when in upper left pattern, described pilot lamp 202 glimmers at a slow speed;
Described panel-switch 201 is selected center modes, refers to that described controller 40 controls position signalling centered by the simulating signal producing, and this signal sends by emitting antenna 50 after radiofrequency signal debugging; When opening described panel-switch 201, user connects after center mode, produce center signal to described controller 40, described controller 40 produces the simulating signal of center and this simulating signal is sent to described radio-frequency module 30, described radio-frequency module 30 sends by emitting antenna 50 after debugging, and described simulating signal comprises envelope data signal, bearing signal and elevation signals; Described controller 40 is also controlled described pilot lamp 202 and is carried out center mode demonstration output, for example: when in center mode, described pilot lamp 202 carries out green and shows;
Described panel-switch 201 is selected bottom right pattern, refers to that it is bottom right position signalling that described controller 40 is controlled the simulating signal producing, and this signal sends by emitting antenna 50 after radiofrequency signal debugging; When opening described panel-switch 201, user connects after the pattern of bottom right, produce bottom right position signalling to described controller 40, described controller 40 produces the simulating signal of position, bottom right and this simulating signal is sent to described radio-frequency module 30, described radio-frequency module 30 sends by emitting antenna 50 after debugging, and described simulating signal comprises envelope data signal, bearing signal and elevation signals; Described controller 40 is also controlled described pilot lamp 202 and is carried out bottom right pattern demonstration output, for example: when in bottom right pattern, described pilot lamp 202 carries out yellow and shows.
Described controller 40 adopts FPGA controller, it is on-site programmable gate array FPGA, the local array that it is comprised of many small logical blocks, connection between unit realizes by its wiring channel interconnection around, adopts the benefit of EPGA controller to be that logical block and wiring channel can be by user's situ configuration.Certainly, in other embodiment, described controller 40 can also adopt other controller 40.Described controller 40 is for receiving various signals and various signals being responded or controlled accordingly.For example complete the communication between the simulator each several part of microwave landing system (MLS) outfield, coordinate the work of each several part; Produce simulating signal, and produce other radio-frequency (RF) control signal etc.Due to above-mentioned, described controller 40 has been done clearly to describe to the response of each switch, just do not repeated herein.
Described radio-frequency module 30 is connected with described controller 40, and for generation of frequency signal, rf modulations and radio-frequency power setting, described radio-frequency module 30 has determined generation, modulation and the level of frequency.Particularly, refer to Fig. 2, described radio-frequency module 30 comprises: frequency source module 301, the DPSK(Differential Phase Shift Keying being connected with described frequency source module 301, differential phase-shift keying (DPSK)) phase shift modulation module 302 and the AM amplitude modulation(PAM) module 303 that is connected with described DSPK phase shift modulation module 302.Wherein:
Described frequency source module 301, for receiving a fixing frequency signal of described controller 40 transmissions, (be simulating signal, this signal comprises bearing signal, elevation signals and envelope data signal, and described envelope data signal mainly refers to bearing data, range data and master data word).And this fixing frequency source signal is amplified and be sent to described DPSK phase shift modulation module 302;
Described DPSK phase shift modulation module 302, it is connected with described frequency source module 301, for the fixing frequency signal after amplifying is carried out to 0 °/180 ° phase shift modulation and the frequency signal carrying out after phase shift modulation is sent to described AM amplitude modulation(PAM) module 303;
Described AM amplitude modulation(PAM) module 303 is connected with described DPSK phase shift modulation module 302, for the frequency signal after DPSK phase shift modulation is carried out to the modulation of AM changes in amplitude, particularly, frequency signal is done to 0-50dB decay, input AM port controlling input coding amplitude envelops, the carrier signal that the level of generation consecutive differs, sends described carrier signal by emitting antenna 50.
Described emitting antenna 50 is connected with described radio-frequency module 30, for launching the signal of described radio-frequency module 30 transmission.
The principle of work of the present embodiment microwave landing system (MLS) outfield simulator is as follows:
When the switch that user carries out different mode by panel-switch 201 is selected, for example: when user is when pressing upper left pattern, produce input instruction to described controller 40, described controller 40 receives after the input instruction that need to carry out upper left pattern, produces the simulating signal of top-left position and this simulating signal is sent to radio-frequency module 30; When described radio-frequency module 30 receives the simulating signal of top-left position, this simulating signal is amplified, carry out again DPSK phase shift modulation and AM amplitude modulation(PAM), the signal after modulation is sent by emitting antenna 50, to be sent to described microwave landing system (MLS); Described microwave landing system (MLS) is controlled aircraft simulation execution top-left position landing control after receiving described signal.
By above-mentioned principle, whether normally described microwave landing system (MLS) outfield simulator can detect the operation of described microwave landing system (MLS).While not controlling aircraft simulation execution top-left position landing control after described microwave landing system (MLS) is receiving signal, represent that described microwave landing system (MLS) is in abnomal condition, need to keep in repair detection etc.Understandable, same or similar to the principle of work of the principle of work of described continuous wave mode, center mode, bottom right pattern and upper left pattern, just repeat no longer one by one herein.
The utility model embodiment, owing to adopting microwave landing system (MLS) outfield simulator automatically to detect described microwave landing system (MLS), has simplified trace routine, facilitates microwave landing system (MLS) described in testing staff's fast detecting.
Refer to Fig. 3, Fig. 3 is the block scheme of the utility model microwave landing system (MLS) outfield simulator the second embodiment.The microwave landing system (MLS) outfield simulator of the present embodiment comprises and the first example structure or the same or analogous user interface section of function, radio-frequency module and the emitting antenna that is connected with described radio-frequency module, also comprise a power interface 60, power module in the present embodiment is specially a power transfer module, and the pilot lamp of the present embodiment is a plurality of.
Described power interface 60 is for the described microwave landing system (MLS) outfield passage that simulator internal electric source module is connected with extraneous power supply is provided, its be mainly used in by aircraft+28V power delivery is to described power module.
Described power module is specially a power transfer module, and it is connected with power interface 60, for general+28V power supply, converts various direct current signals to for described microwave landing system (MLS) outfield simulator.
Described pilot lamp 202 is a plurality of, comprise self check pilot lamp 2021, continuous mode pilot lamp 2022, upper left pattern pilot lamp 2023, center mode pilot lamp 2024 and bottom right pattern pilot lamp 2025, each pilot lamp is corresponding with each panel-switch, when a certain panel-switch is pressed, pilot lamp is corresponding thereto luminescence display.
The utility model embodiment, owing to adopting power interface external power supply, does not need independently, for described microwave landing system (MLS) outfield simulator provides power supply, to provide cost savings.
These are only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. a microwave landing system (MLS) outfield simulator, comprises a controller, the power module being connected with described controller respectively, user interface section, radio-frequency module and the emitting antenna being connected with described radio-frequency module.
2. microwave landing system (MLS) as claimed in claim 1 outfield simulator, is characterized in that: described controller is a FPGA controller.
3. microwave landing system (MLS) as claimed in claim 2 outfield simulator, is characterized in that: described user interface section comprises panel-switch and pilot lamp.
4. microwave landing system (MLS) as claimed in claim 3 outfield simulator, is characterized in that: described panel-switch comprises self check, continuous wave mode, upper left pattern, center mode and bottom right model selection.
5. microwave landing system (MLS) as claimed in claim 4 outfield simulator, is characterized in that: described pilot lamp is working station indicator.
6. microwave landing system (MLS) as claimed in claim 4 outfield simulator, is characterized in that: described pilot lamp comprises self check pilot lamp, continuous mode pilot lamp, upper left pattern pilot lamp, center mode pilot lamp and bottom right pattern pilot lamp.
7. the microwave landing system (MLS) outfield simulator as described in any one claim in claim 1 to 6, is characterized in that: described radio-frequency module comprises frequency source module, the DPSK phase shift block being connected with described frequency source module and the AM amplitude modulation(PAM) module being connected with described DPSK phase shift block.
8. microwave landing system (MLS) as claimed in claim 1 outfield simulator, is characterized in that: also comprise a power interface, described power interface is connected with described power module.
9. microwave landing system (MLS) as claimed in claim 1 outfield simulator, is characterized in that: described power module is a power module independently.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512644.XU CN203444332U (en) | 2013-08-21 | 2013-08-21 | Outfield simulator for microwave landing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512644.XU CN203444332U (en) | 2013-08-21 | 2013-08-21 | Outfield simulator for microwave landing system |
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| Publication Number | Publication Date |
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| CN203444332U true CN203444332U (en) | 2014-02-19 |
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| CN201320512644.XU Expired - Fee Related CN203444332U (en) | 2013-08-21 | 2013-08-21 | Outfield simulator for microwave landing system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900615A (en) * | 2014-04-16 | 2014-07-02 | 中国人民解放军空军航空仪器设备计量总站 | Microwave landing simulator metering method and microwave landing simulator metering device |
| CN105185183A (en) * | 2015-10-12 | 2015-12-23 | 四川天中星航空科技有限公司 | Microwave landing internal field simulation system |
| CN106094670A (en) * | 2016-08-29 | 2016-11-09 | 成都戎创航空科技有限公司 | Microwave landing outfield simulator with acoustic control and warning function |
| CN106125629A (en) * | 2016-08-26 | 2016-11-16 | 成都戎创航空科技有限公司 | Microwave landing outfield simulator with voice control function |
| CN109212285A (en) * | 2018-11-29 | 2019-01-15 | 中电科西北集团有限公司 | Outfield simulator |
| CN112731021A (en) * | 2020-12-21 | 2021-04-30 | 中国人民解放军海军航空大学青岛校区 | Microwave landing signal calibration method based on vector signal generator |
-
2013
- 2013-08-21 CN CN201320512644.XU patent/CN203444332U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900615A (en) * | 2014-04-16 | 2014-07-02 | 中国人民解放军空军航空仪器设备计量总站 | Microwave landing simulator metering method and microwave landing simulator metering device |
| CN103900615B (en) * | 2014-04-16 | 2018-01-23 | 中国人民解放军空军航空仪器设备计量总站 | A kind of microwave landing simulator metering method and device |
| CN105185183A (en) * | 2015-10-12 | 2015-12-23 | 四川天中星航空科技有限公司 | Microwave landing internal field simulation system |
| CN106125629A (en) * | 2016-08-26 | 2016-11-16 | 成都戎创航空科技有限公司 | Microwave landing outfield simulator with voice control function |
| CN106094670A (en) * | 2016-08-29 | 2016-11-09 | 成都戎创航空科技有限公司 | Microwave landing outfield simulator with acoustic control and warning function |
| CN109212285A (en) * | 2018-11-29 | 2019-01-15 | 中电科西北集团有限公司 | Outfield simulator |
| CN112731021A (en) * | 2020-12-21 | 2021-04-30 | 中国人民解放军海军航空大学青岛校区 | Microwave landing signal calibration method based on vector signal generator |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20150821 |
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| EXPY | Termination of patent right or utility model |