CN108873021A - Emulation mode/system, emulator and the simulator of navigation satellite ephemeris - Google Patents
Emulation mode/system, emulator and the simulator of navigation satellite ephemeris Download PDFInfo
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- CN108873021A CN108873021A CN201710317057.8A CN201710317057A CN108873021A CN 108873021 A CN108873021 A CN 108873021A CN 201710317057 A CN201710317057 A CN 201710317057A CN 108873021 A CN108873021 A CN 108873021A
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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
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/23—Testing, monitoring, correcting or calibrating of receiver elements
Abstract
The present invention provides emulation mode, system, emulator and the device of a kind of navigation satellite ephemeris, and emulation mode includes：According to zoning ordinance is prestored, the microwave dark room of applied satellite ephemeris emulation mode is divided into multiple test zones；According to navigation satellite ephemeris to be emulated, the output of the navigation satellite signal of simulation is controlled, emulates navigation satellite ephemeris in microwave dark room accordingly；Wherein, which generated by navigation satellite signal simulator, the corresponding navigation satellite signal simulator of each test zone；The navigation satellite signal simulated is emitted by being set to the test antenna of the test zone.The present invention is efficiently solved conventional method and needs to be exported problem brought by navigation satellite signal simulator and in advance the test antenna of arrangement substantial amounts or installation mechanical movement means using dedicated branch, using combining output satellite navigation signal simulator and reduce default test antenna amount, long-time simulation navigational satellite ephemeris under the premise of not changing geometric dilution of precision.
Description
Technical field
The invention belongs to technical field of satellite communication, it is related to a kind of emulation mode and system, more particularly to a kind of navigation
Emulation mode/system, emulator and the simulator of satellite ephemeris.
Background technique
Satellite navigation simulator and microwave dark room are to test satellite navigation receiver to eat dishes without rice or wine the major experimental equipment of performance, are
In the ephemeris for not changing geometric dilution of precision value premise Imitating real satellite navigation signal, two conditions are needed to have.It is first
First, internal antenna layout in darkroom is consistent with the satellite ephemeris of emulation, real satellite direction of signal can be simulated, secondly, satellite navigation
Signal simulator needs to have the function that each port independently exports single satellite-signal.
Referring to Fig. 1, being shown as the theory structure schematic diagram of satellite navigation signal simulator in the prior art.Such as Fig. 1
Shown, satellite navigation signal simulator 1 has multiple boards 11, and each board 11 is independent base band signal process and up-conversion
Module can simulate the output signal of a navigation satellite.By internal radio frequency combining 12, combining can be exported
(composite) signal, can be defeated by internal multi-channel rf branch 13 for wired connection test satellite navigation receiver
Independent (Individual) signal out, connects one to one, i.e. the true satellite of analog with mutiple antennas in matched darkroom
Ephemeris.
But since the satellite ephemeris moment is changing, there is the following to go defect traditional scheme：
First, when satellite ephemeris significant change, fixed antenna cannot then correspond to corresponding ephemeris in darkroom, then geometry
Significant change occurs for dilution of precision value, and for the client for needing long-time ephemeris to emulate, it is imitative not can effectively solve long-time ephemeris
Genuine problem
Second, need to arrange the test antenna or installation mechanical movement means of substantial amounts in advance；
Third, the cost for having the satellite navigation simulator of multi-channel rf branch control is high, and purposes is single, in addition to
In the performance test of eating dishes without rice or wine of satellite navigation receiver, it is impossible to be used in other purposes.
Therefore, emulation mode/system, emulator and the simulator of a kind of navigation satellite ephemeris how are provided, with solution
Certainly the prior art not can effectively solve the emulation of long-time ephemeris, quantity need to be used huge when for the satellite ephemeris of moment variation
The defects of purposes of big test antenna and mechanical movement means and satellite navigation simulator is single, it is real to become this field skill
Art expert's urgent problem to be solved.
Summary of the invention
In view of the foregoing deficiencies of prior art, the purpose of the present invention is to provide a kind of emulation of navigation satellite ephemeris
Method/system, emulator and simulator cannot for solving the prior art when for the satellite ephemeris of moment variation
It effectively solves the emulation of long-time ephemeris, need to be simulated using the test antenna and mechanical movement means of substantial amounts and satellite navigation
The purposes Single-issue of device.
In order to achieve the above objects and other related objects, one aspect of the present invention provides the emulation mode of navigation satellite ephemeris,
The emulation mode of the navigation satellite ephemeris includes the following steps：According to zoning ordinance is prestored, will be imitated using the satellite ephemeris
The microwave dark room of true method is divided into multiple test zones；According to navigation satellite ephemeris to be emulated, the navigation for controlling simulation is defended
The output of star signal emulates the navigation satellite ephemeris in microwave dark room accordingly；Wherein, which is by navigating
Satellite signal simulator generates, each corresponding navigation satellite signal simulator of the test zone；The navigation simulated
Satellite-signal is emitted by being set to the test antenna of the test zone.
In one embodiment of the invention, so test zone is divided into main test zone and sub- test zone；It is described to prestore
Zoning ordinance is：Satellite navigation receiver visual angle is invented in the microwave dark room, which is regarded
Angle is divided into N number of main test zone with predetermined centre of sphere angle；Each main test zone is drawn according to predetermined central angle again
It is divided into several sub- test zones.
In one embodiment of the invention, need to meet when dividing sub- test zone：It is any on every sub- test zone
Some first distance of the geometric center position apart from the sub- test zone need to be less than sub- test section of the distance in addition to itself
The second distance of the geometric center position in domain.
In one embodiment of the invention, a survey is set on the geometric center position of each sub- test zone
Antenna is tried, the navigation satellite signal simulator that each test antenna is all associated with one is connected；The navigation
Satellite signal simulator is used to generate the navigation when receiving the output order for exporting its navigation satellite signal simulated
Satellite-signal.
In one embodiment of the invention, basis navigation satellite ephemeris to be emulated controls the navigation satellite of simulation
The output of signal, the step of emulating the navigation satellite ephemeris accordingly include：According to navigation satellite ephemeris to be emulated, simulation is defended
When star is moved to another sub- test zone from a sub- test zone, out code is exported, it is corresponding with a sub- test zone to control
Navigation satellite signal simulator stop output navigation satellite signal；Meanwhile open instructions is exported, with control and another sub- test
The corresponding navigation satellite signal simulator in region starts to export navigation satellite signal.
Another aspect of the present invention provides a kind of analogue system of navigation satellite ephemeris, the satellite ephemeris analogue system packet
It includes：Division module, for the microwave dark room of the application satellite ephemeris emulation mode being divided into more according to zoning ordinance is prestored
A test zone；Control module, for controlling the defeated of the navigation satellite signal of simulation according to navigation satellite ephemeris to be emulated
Out, the navigation satellite ephemeris is emulated in microwave dark room accordingly；Wherein, which is by navigation satellite signal mould
Quasi- device generates, each corresponding navigation satellite signal simulator of the test zone；The navigation satellite signal simulated is logical
Cross the test antenna transmitting for being set to the test zone.
In one embodiment of the invention, the zoning ordinance that prestores in the division module is virtual in the microwave dark room
At satellite navigation receiver visual angle, which is divided into N number of main test with predetermined centre of sphere angle
Region；Again by each main test zone according to predetermined central angle, it is divided into several sub- test zones.
In one embodiment of the invention, the division module need to meet every sub- test section when dividing sub- test zone
The first distance of geometric center position of any point apart from the sub- test zone on domain need to be less than the distance in addition to itself
Sub- test zone geometric center position second distance.
Another aspect of the present invention also provides a kind of emulator, the analogue system including the navigation satellite ephemeris.
Last aspect of the present invention provides a kind of simulator, and the simulator includes：Emulator；Navigation satellite letter
Number simulator, connect with the emulator, is controlled by the emulator；And test antenna；It is connect with the test antenna
Navigation satellite signal simulator.
In one embodiment of the invention, the navigation satellite signal simulator, for generating the navigation satellite letter of simulation
Number；The geometric center position of the sub- test zone is arranged in the test antenna, corresponding with the sub- test zone for emitting
Navigation satellite signal simulator generate navigation satellite signal.
As described above, satellite ephemeris emulation mode, analogue system, emulator and simulator of the invention, have with
Lower beneficial effect：
Emulation mode/system, emulator and the simulator of navigation satellite ephemeris of the present invention are by by satellite
The actual distribution situation of spatial position carries out physical mappings in microwave dark room, forms hardware-in-the-loop environment, thus true anti-
Satellite navigation machine receptivity is reflected, conventional method is effectively solved and needs to lead using the output of dedicated branch in the emulation of long-time ephemeris
Problem brought by boat satellite signal simulator and in advance the test antenna of arrangement substantial amounts or installation mechanical movement means, it is logical
It crosses using cheap and widely used combining output satellite navigation signal simulator and reduces default test antenna amount, make
With combining output satellite navigation signal simulator and default test antenna amount is reduced, under the premise of not changing geometric dilution of precision
Long-time simulation navigational satellite ephemeris.
Detailed description of the invention
Fig. 1 is shown as the theory structure schematic diagram of navigation satellite navigation signal simulator in the prior art.
Fig. 2 is shown as theory structure schematic diagram of the method for navigation satellite ephemeris emulation of the invention in an embodiment.
Fig. 3 is shown as schematic perspective view of the present invention test zone main in microwave dark room in an embodiment.
Fig. 4 is shown as top plan view structural representation of the present invention in microwave dark room neutron test zone in an embodiment
Figure.
Fig. 5 is shown as the principle assumption diagram that navigation satellite signal simulator of the invention is applied in an embodiment.
Fig. 6 is shown as theory structure schematic diagram of the analogue system of navigation satellite ephemeris of the invention in an embodiment.
Fig. 7 is shown as the theory structure schematic diagram of emulator of the invention in an embodiment.
Fig. 8 is shown as the theory structure schematic diagram of simulator of the invention in an embodiment.
Component label instructions
1, navigation satellite signal simulator
5
11 boards
The combining of 12 radio frequencies
13 radio frequency branches
51, processor board
52,
53
54 output ports
The analogue system of 6 navigation satellite ephemeris
61 division modules
62 control modules
7 emulators
8 simulators
81 test antennas
82 navigation satellite signal simulators
S21~S22 step
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example, those skilled in the art can be by this specification
Other advantages and efficacy of the present invention can be easily understood for disclosed content.The present invention can also pass through in addition different specific realities
The mode of applying is embodied or practiced, the various details in this specification can also based on different viewpoints and application, without departing from
Various modifications or alterations are carried out under spirit of the invention.It should be noted that in the absence of conflict, following embodiment and implementation
Feature in example can be combined with each other.
It should be noted that illustrating the basic structure that only the invention is illustrated in a schematic way provided in following embodiment
Think, only shown in schema then with related component in the present invention rather than component count, shape and size when according to actual implementation
Draw, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout kenel
It is likely more complexity.
Embodiment one
The present embodiment provides a kind of emulation mode of navigation satellite ephemeris, the emulation mode of the navigation satellite ephemeris includes
Following steps：
According to zoning ordinance is prestored, multiple test sections are divided into the microwave dark room of the application satellite ephemeris emulation mode
Domain；
According to navigation satellite ephemeris to be emulated, the output of the navigation satellite signal of simulation is controlled, is led described in emulation accordingly
Navigate satellite ephemeris；Wherein, which generated by navigation satellite signal simulator, and each test zone is corresponding
The one navigation satellite signal simulator；The navigation satellite signal simulated is by being set to the test antenna of the test zone
Transmitting.
The emulation mode of navigation satellite ephemeris provided by the present embodiment is described in detail below with reference to diagram.This
The simulated environment that embodiment is used to execute the emulation mode of the navigation satellite ephemeris is microwave dark room.Referring to Fig. 2, being shown as
Theory structure schematic diagram of the emulation mode of navigation satellite ephemeris in an embodiment.As shown in Fig. 2, the navigation satellite ephemeris
Emulation mode have following steps：The navigation satellite signal simulator is combining output navigation satellite signal simulation
Device.
The microwave dark room of the emulation mode of the application navigation satellite ephemeris is divided by S21 according to zoning ordinance is prestored
Multiple test zones.The test zone includes main test zone and sub- test zone.In the present embodiment, described to prestore subregion
Rule is：Be modeled to satellite navigation receiver visual angle in the microwave dark room, by the virtual satellite navigation receiver visual angle with
Predetermined centre of sphere angle is divided into N number of main test zone；Each main test zone is divided into according to predetermined central angle again
Several described sub- test zones.In the present embodiment, since the virtual satellite navigation receiver visual angle is in ball missing shape, the ball
Coronal visual angle is first angle, then the predetermined centre of sphere angle need to meet first angle/predetermined centre of sphere angle=positive integer；Pre- centering
Angle need to meet 360 degree/predetermined central angle=positive integer.
Referring to Fig. 3, being shown as schematic perspective view of the main test zone in an embodiment in microwave dark room.Such as
Shown in Fig. 3, if the curved angle at virtual satellite navigation receiver visual angle is 180 degree, predetermined centre of sphere angle is 30 degree, will be virtual
Satellite navigation receiver visual angle 3 is divided into 3 main test zones, i.e., the first main test zone 31, the second main test zone 32, and
The main test zone 33 of third.
Referring to Fig. 4, being shown as the top plan view structural representation in microwave dark room neutron test zone in an embodiment
Figure.As shown in figure 4, the predetermined central angle of the first main test zone is 360 degree, i.e., the first main test zone is also its son test
Region A1；The predetermined central angle of second main test zone is 90 degree, i.e., the second main test zone is divided into 4 pieces of sub- test zones
A2, B2, C2, D2；The predetermined central angle of the main test zone of third is 45 degree, i.e., the main test zone of third is divided into 8 pieces of son tests
Region A3, B3, C3, D3, E3, F3, G3, H3.In the present embodiment, it needs to meet when dividing sub- test zone：Every height test
The first distance of geometric center position of any point apart from the sub- test zone on region need to be less than point distance and remove itself
The second distance of the geometric center position of outer sub- test zone.
S22 controls the output of the navigation satellite signal of simulation, accordingly in microwave according to navigation satellite ephemeris to be emulated
Navigation satellite ephemeris described in dark Indoor Simulation.In the present embodiment, which is by navigation satellite signal simulator
It generates, each corresponding navigation satellite signal simulator of the test zone；Wherein, the navigation satellite signal simulated is logical
Cross the test antenna transmitting for being set to the test zone.The navigation that each test antenna is all associated with one is defended
Star signal simulator is connected；The navigation satellite signal simulator be used for receive output its simulated navigation satellite letter
Number output order when, generate the navigation satellite signal of the simulation.
Specifically, according to navigation satellite ephemeris to be emulated, analog satellite is moved to another sub- survey from a sub- test zone
When trying region, out code is exported, stops exporting with control navigation satellite signal simulator corresponding with a sub- test zone and lead
Navigate satellite-signal；Meanwhile open instructions is exported, it is opened with control navigation satellite signal simulator corresponding with another sub- test zone
Begin output navigation satellite signal.
For example, the test antenna being arranged on the geometric center position of the sub- test zone, i.e., in sub- test zone A1,
Sub- test zone A2, B2, C2, D2, sub- test zone A3, B3, C3, D3, E3, F3, G3, H3 setting test 13 test days of antenna
Line emits the navigation satellite signal that the navigation satellite signal simulator generates by the test antenna.
For example, certain satellite is located at sub- test zone A1 at the first moment, control it is corresponding with sub- test zone A1 described in lead
Boat satellite signal simulator exports the output order for the navigation satellite signal that it is simulated, and generates the navigation satellite letter of the simulation
Number；When the second moment, the satellite was moved to sub- test zone B2 from sub- test zone A1, out code is exported, with control and son
The corresponding navigation satellite signal simulator of test zone A1 stops output navigation satellite signal, meanwhile, open instructions is exported, with control
Navigation satellite signal simulator corresponding with sub- test zone B2 is made to start to export its navigation satellite signal simulated.To third
When the moment satellite is moved to sub- test zone A3 from sub- test zone B2, out code is exported, with control and sub- test zone
The corresponding navigation satellite signal simulator of B2 stops output navigation satellite signal, meanwhile, open instructions is exported, is surveyed with control and son
The corresponding navigation satellite signal simulator of examination region A3 starts to export its navigation satellite signal simulated.Until completing wait emulate
Navigation satellite ephemeris.
In the present embodiment, in the present embodiment, the navigation satellite signal simulator is using combining output navigation satellite
Signal simulator is provided with N number of processor board and 1 output port in the navigation satellite signal simulator.At each
Reason device, which is applied for card, constitutes an output channel with output port.Each processor board handles the satellite test letter of different satellite to be measured
Number, the satellite test signal is subjected to Base-Band Processing, and analogue transmission delay and noise, treated, and baseband signal is become
Frequency and amplification, simulate satellite navigation signals.Referring to Fig. 5, being shown as signal simulator applied to the principle in an embodiment
Structure chart.For example, in the present embodiment, satellite to be measured is 3, then processor board 51, processor in signal simulator 5
Board 52, processor board 53 are corresponding with this 3 satellite to be measured respectively.In the present embodiment, need for a long time emulation to
The navigation satellite ephemeris time of emulation, by combining output navigation satellite signal simulator by different satellites synchronization navigation
Satellite-signal is exported together to the test antenna being arranged on different sub- test zones, so as to its transmitting.
The emulation mode of navigation satellite ephemeris described in the present embodiment is by by the actual distribution situation of satellite spatial position
Physical mappings are carried out in microwave dark room, form hardware-in-the-loop environment, to really reflect satellite navigation machine receptivity, are had
Effect solve conventional method long-time ephemeris emulation need using dedicated branch export navigation satellite signal simulator and in advance
Arrange problem brought by the test antenna or installation mechanical movement means of substantial amounts, it is wide by using cheap and purposes
The general default test antenna amount of combining output satellite navigation signal simulator and reduction, uses combining output satellite navigation signal
Simulator and the default test antenna amount of reduction, long-time simulation navigational satellite star under the premise of not changing geometric dilution of precision
It goes through.
Embodiment two
The present embodiment provides a kind of analogue system of navigation satellite ephemeris, the satellite ephemeris analogue system includes：
Division module, for according to zoning ordinance is prestored, the microwave dark room of the application satellite ephemeris emulation mode to be drawn
It is divided into multiple test zones；
Control module, for controlling the output of the navigation satellite signal of simulation according to navigation satellite ephemeris to be emulated, according to
To emulate the navigation satellite ephemeris in microwave dark room；Wherein, which is by navigation satellite signal simulator
It generates, each corresponding navigation satellite signal simulator of the test zone；The navigation satellite signal simulated is by setting
It is placed in the test antenna transmitting of the test zone.
The analogue system of navigation satellite ephemeris provided by the present embodiment is described in detail below with reference to diagram.
Referring to Fig. 6, being shown as theory structure schematic diagram of the analogue system of navigation satellite ephemeris in an embodiment.As shown in fig. 6,
The analogue system 6 of the navigation satellite ephemeris includes：Division module 61 and control module 62.
The division module 61 is used for according to zoning ordinance is prestored, by the emulation mode of the application navigation satellite ephemeris
Microwave dark room is divided into multiple test zones.The test zone includes main test zone and sub- test zone.In the present embodiment
In, prestoring zoning ordinance in the division module is：The division module is modeled to satellite navigation in the microwave dark room and receives
The virtual satellite navigation receiver visual angle is divided into N number of main test zone with predetermined centre of sphere angle by machine visual angle；It again will be every
A main test zone is divided into several sub- test zones according to predetermined central angle.In the present embodiment, due to this
Virtual satellite navigation receiver visual angle is in ball missing shape, which is first angle, then the predetermined centre of sphere angle need to expire
Sufficient first angle/predetermined centre of sphere angle=positive integer；Predetermined central angle need to meet 360 degree/predetermined central angle=positive integer.In this reality
It applies in example, needs to meet when dividing sub- test zone：Any point on every sub- test zone is apart from the sub- test zone
The first distance of geometric center position need to be less than the second of the geometric center position of sub- test zone of the distance in addition to itself
Distance.
The control module 62 connecting with the division module 61 is used for according to navigation satellite ephemeris to be emulated, control simulation
Navigation satellite signal output, the navigation satellite ephemeris is emulated in microwave dark room accordingly；The navigation satellite signal be by
Navigation satellite signal simulator generates, each corresponding navigation satellite signal simulator of the test zone；Wherein, institute's mould
Quasi- navigation satellite signal is emitted by being set to the test antenna of the test zone.
Specifically, the control module 62 is according to navigation satellite ephemeris to be emulated, and analog satellite is from a sub- test zone
When being moved to another sub- test zone, out code is exported, with control navigation satellite signal mould corresponding with a sub- test zone
Quasi- device stops output navigation satellite signal；Meanwhile open instructions is exported, it is defended with navigate corresponding with another sub- test zone of control
Star signal simulator starts to export navigation satellite signal.
For example, certain satellite is located at sub- test zone A1, the control of control module 62 and sub- test zone at the first moment
The corresponding navigation satellite signal simulator of A1 exports the output order for the navigation satellite signal that it is simulated, and generates the simulation
Navigation satellite signal；When the second moment, the satellite was moved to sub- test zone B2 from sub- test zone A1, output, which is closed, to be referred to
It enables, stops output navigation satellite signal to control navigation satellite signal simulator corresponding with sub- test zone A1, meanwhile, output
Open instructions starts to export the navigation that it is simulated to control corresponding with sub- test zone B2 navigation satellite signal simulator and defend
Star signal.When the third moment, the satellite was moved to sub- test zone A3 from sub- test zone B2, out code is exported, with control
Navigation satellite signal simulator corresponding with sub- test zone B2 stops output navigation satellite signal, meanwhile, open instructions is exported,
Start to export its navigation satellite signal simulated to control navigation satellite signal simulator corresponding with sub- test zone A3.Directly
To completing navigation satellite ephemeris to be emulated.
The present embodiment also provides a kind of emulator 7, referring to Fig. 7, being shown as original of the emulator in an embodiment
Manage structural schematic diagram.As shown in fig. 7, the emulator 7 includes the analogue system 6 of above-mentioned navigation satellite ephemeris.The emulation
Equipment 7 is made of processor and memory.Memory regular, predetermined centre of sphere angle, predetermined central angle for partition holding, and to imitative
Genuine navigation satellite ephemeris.The memory may include read-only memory and random access memory, and provide number to processor
According to.The a part of of memory can also include nonvolatile RAM.The processor connecting with memory is used for root
According to zoning ordinance is prestored, the microwave dark room of the application satellite ephemeris emulation mode is divided into multiple test zones；And according to
Navigation satellite ephemeris to be emulated, controls the output of the navigation satellite signal of simulation, leads described in emulation in microwave dark room accordingly
Navigate satellite ephemeris；The navigation satellite signal is generated by navigation satellite signal simulator, each corresponding institute of the test zone
State navigation satellite signal simulator；Wherein, the navigation satellite signal simulated is by being set to the test days of the test zone
Line transmitting.
The present embodiment also provides a kind of simulator 8, referring to Fig. 8, being shown as original of the simulator in an embodiment
Manage structural schematic diagram.As shown in figure 8, the simulator 8 includes test antenna 81；The navigation connecting with the test antenna is defended
Star signal simulator 82；And the emulator 7 being connect with the navigation satellite signal simulator 82.In the present embodiment
In, the geometric center position of the sub- test zone is arranged in the test antenna 81, and for emitting and sub- test zone pair
The navigation satellite signal that the navigation satellite signal simulator 82 answered generates.
In conclusion the emulation mode of navigation satellite ephemeris of the present invention, analogue system, emulator and emulation dress
It sets by the way that the actual distribution situation of satellite spatial position is carried out physical mappings in microwave dark room, forms HWIL simulation ring
Border effectively solves conventional method and needs in the emulation of long-time ephemeris using special to really reflect satellite navigation machine receptivity
Branch exports navigation satellite signal simulator and in advance the test antenna of arrangement substantial amounts or installation mechanical movement means
Brought problem by using cheap and widely used combining output satellite navigation signal simulator and reduces default
Antenna amount is tested, using combining output satellite navigation signal simulator and reduces default test antenna amount, it is several not changing
Long-time simulation navigational satellite ephemeris under the premise of what dilution of precision.So the present invention effectively overcome it is in the prior art various
Disadvantage and have high industrial utilization value.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology all without departing from the spirit and scope of the present invention, carries out modifications and changes to above-described embodiment.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should be covered by the claims of the present invention.
Claims (11)
1. a kind of emulation mode of navigation satellite ephemeris, which is characterized in that the emulation mode of the navigation satellite ephemeris include with
Lower step：
According to zoning ordinance is prestored, the microwave dark room of the application satellite ephemeris emulation mode is divided into multiple test zones；
According to navigation satellite ephemeris to be emulated, the output of the navigation satellite signal of simulation is controlled, is imitated in microwave dark room accordingly
The very described navigation satellite ephemeris；Wherein, which generated by navigation satellite signal simulator, each test
Region corresponds to a navigation satellite signal simulator；The navigation satellite signal simulated is by being set to the test zone
Test antenna transmitting.
2. the emulation mode of navigation satellite ephemeris according to claim 1, it is characterised in that：
So test zone is divided into main test zone and sub- test zone；
The zoning ordinance that prestores is：Satellite navigation receiver visual angle is invented in the microwave dark room, by the virtual satellite
Navigation neceiver visual angle is divided into N number of main test zone with predetermined centre of sphere angle；Again by each main test zone according to
Predetermined central angle is divided into several sub- test zones.
3. navigation satellite ephemeris emulation mode according to claim 2, it is characterised in that：It is needed when dividing sub- test zone
Meet：The first distance of geometric center position of any point apart from the sub- test zone on every sub- test zone need to be less than
The second distance of the geometric center position of sub- test zone of the distance in addition to itself.
4. the emulation mode of navigation satellite ephemeris according to claim 2, it is characterised in that：
The one test antenna is set on the geometric center position of each sub- test zone, and each test antenna is all
It is connected with the navigation satellite signal simulator that one is associated；The navigation satellite signal simulator is for receiving
When exporting the output order for the navigation satellite signal that it is simulated, the navigation satellite signal is generated.
5. navigation satellite ephemeris navigation simulation method according to claim 4, it is characterised in that：The basis is to be emulated
Navigation satellite ephemeris, the step of controlling the output of the navigation satellite signal of simulation, emulating the navigation satellite ephemeris accordingly include：
It is defeated when analog satellite is moved to another sub- test zone from a sub- test zone according to navigation satellite ephemeris to be emulated
Out code out stops exporting navigation satellite signal with control navigation satellite signal simulator corresponding with a sub- test zone；
Meanwhile open instructions is exported, output is started with control navigation satellite signal simulator corresponding with another sub- test zone and is navigated
Satellite-signal.
6. a kind of analogue system of navigation satellite ephemeris, which is characterized in that the satellite ephemeris analogue system includes：
Division module, for according to zoning ordinance is prestored, the microwave dark room of the application satellite ephemeris emulation mode to be divided into
Multiple test zones；
Control module, for controlling the output of the navigation satellite signal of simulation, existing accordingly according to navigation satellite ephemeris to be emulated
The emulation navigation satellite ephemeris in microwave dark room；Wherein, which generated by navigation satellite signal simulator,
Each corresponding navigation satellite signal simulator of the test zone；The navigation satellite signal simulated is by being set to
State the test antenna transmitting of test zone.
7. the analogue system of navigation satellite ephemeris according to claim 6, it is characterised in that：It is pre- in the division module
Depositing zoning ordinance is to invent satellite navigation receiver visual angle in the microwave dark room, which is regarded
Angle is divided into N number of main test zone with predetermined centre of sphere angle；Each main test zone is divided into several according to predetermined central angle again
A sub- test zone.
8. the analogue system of navigation satellite ephemeris according to claim 7, it is characterised in that：The division module is dividing
Geometric center position of any point on every sub- test zone apart from the sub- test zone need to be met when sub- test zone
First distance need to be less than the second distance of the geometric center position of sub- test zone of the distance in addition to itself.
9. a kind of emulator, which is characterized in that imitative including the navigation satellite ephemeris as described in any one of claim 6-8
True system.
10. a kind of simulator, which is characterized in that the simulator includes emulator as claimed in claim 9；
Navigation satellite signal simulator is connect with the emulator, is controlled by the emulator；And
Test antenna；The navigation satellite signal simulator being connect with the test antenna；.
11. simulator according to claim 10, it is characterised in that：
The navigation satellite signal simulator, for generating the navigation satellite signal of simulation；
The geometric center position of the sub- test zone is arranged in the test antenna, for emitting and the sub- test zone pair
The navigation satellite signal that the navigation satellite signal simulator answered generates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710317057.8A CN108873021B (en) | 2017-05-08 | 2017-05-08 | Simulation method/system, simulation equipment and simulation device for navigation satellite ephemeris |
Applications Claiming Priority (1)
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