CN106569044A - Immersive virtual reality system-based electromagnetic spectrum situation observation method - Google Patents
Immersive virtual reality system-based electromagnetic spectrum situation observation method Download PDFInfo
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- G—PHYSICS
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- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0864—Measuring electromagnetic field characteristics characterised by constructional or functional features
- G01R29/0871—Complete apparatus or systems; circuits, e.g. receivers or amplifiers
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Abstract
The invention discloses an immersive virtual reality system-based electromagnetic spectrum situation observation method. The main objective of the invention is to solve the problem of incompleteness of spectrum situation map display information in a traditional observation method. The method of the invention has the advantages that: 1) an observation region three-dimensional model which contains a signal source is generated; 2) a plane in the model is selected as an observation plane, and distances from the signal source to each point on the observation plane are calculated; 3) the strength of signals which have been subjected to path loss and arrive at each point on the observation plane is calculated according to the distances of each point; 4) the strength of the signals is normalized, a three-dimensional electromagnetic situation spectrum map of an observation space is generated through using a color mapping method; and 5) a user wears a virtual reality head-mounted display device to watch a three-dimensional electromagnetic situation spectrum map. With the immersive virtual reality system-based electromagnetic spectrum situation observation method of the invention adopted, the spectrum information of an observation region can be completely displayed, and observation efficiency is improved. The method can be used for electromagnetic spectrum observation.
Description
Technical field
The invention belongs to Display Technique of Computer Graphics field, more particularly to a kind of frequency spectrum situation observational technique, can be used for
Electromagnetic spectrum is monitored.
Background technology
Electromagnetic spectrum is that electromagnetic wave gets up formed pedigree by wavelength or frequency permutation, with resource-constrained, altogether
Enjoy shared, time domain, spatial domain and the regional partition of frequency domain three are never consumed, the characteristics of being easily disturbed.
With the extensive application of electromagnetic technique and electronic equipment, electromagnetic environment becomes increasingly complicated, and electromagnetic spectrum resource is got over
Come more important, how system and intuitively describe electromagnetic spectrum situation and be always a difficult problem for electromagnetic spectrum monitoring, while being also to see
Survey personnel correctly hold Electromagnetic Situation, carry out the bottleneck of accurate commander.
With the development of modern electromagnetic spectrum monitoring technology, substantial amounts of application of new technology has arrived electromagnetic spectrum visualization and has worked as
In, at this stage the electromagnetic spectrum display packing of main flow is mainly based upon the softwares such as OpenGL, Visual C++, VTK and MATLAB
The display of two dimension or three-dimensional is carried out to electromagnetic spectrum.This several method is each advantageous, so the situation of electromagnetic spectrum and distribution feelings
Condition both can show that can carry out dynamic interaction again, the preferably decision-making for commander provided support with this several method.
Visualization processing is carried out to electromagnetic spectrum, mainly spectrum information spectrogram, Waterfall plot and three-dimensional frequency spectrum is made into
Situation map.These three frequency spectrum situation maps are required for by the way of bore hole direct viewing, and need observer to have when observing frequency spectrum
Preferable professional standards, because the uncontrollable object of observation of observer shows required information, many spectrum informations need observation
Person oneself goes to extract so that observation process is not intelligent enough.In addition, spectrogram and Waterfall plot cannot provide sky for observer
Between middle other positions spectrum information, and three-dimensional frequency spectrum shows and be finally also used to that two dimensional surface goes to show, this is again
So that three-dimensional spectrum information is difficult complete to present to observer.Therefore, design and realize the electromagnetism frequency of advantages of simple
The observation procedure of spectrum seems particularly urgent.
The content of the invention
It is an object of the invention to provide a kind of electromagnetic spectrum situation observation procedure based on immersed system of virtual reality,
To overcome the incomplete shortcoming of above-mentioned observation procedure intermediate frequency spectrum situation map display information.
In order to complete above-mentioned purpose, the frequency spectrum situation observation side based on immersed system of virtual reality proposed by the present invention
Method, comprises the steps：
(1) the three-dimensional geography model M of observation area is generated according to observation area geography information0, then select in the model
Some position addition stationary singnals and Dynamic Signal are taken, the threedimensional model M containing signal source is generated1；
(2) the threedimensional model M containing signal source is chosen1Camber for h plane S, 1≤h≤100, it is determined that static
Signal in the plane each point apart from d1With on Dynamic Signal to the plane each point apart from d2；
(3) distance is tried to achieve according to step (2) and calculates the signal that stationary singnal reaches each point in plane S after decline respectively
Intensity P1With the signal intensity P that Dynamic Signal reaches each point in plane S after decline2；
(4) signal intensity of gained in step (3) is normalized, and to intensity after the letter after normalized
P generates observation space 3 D electromagnetic frequency spectrum situation map by the way of color mapping；
(5) the observation space 3 D electromagnetic frequency spectrum situation map that step (4) is generated is tuned into into Virtual Reality pattern, observer
Watched by virtual reality head-mounted display apparatus, and controlled the frequency spectrum letter needed for 3 D electromagnetic frequency spectrum situation map shows
Breath.
The present invention has compared with prior art advantages below：
1st, the present invention can facilitate observer to frequency spectrum due to the geography information containing observation area in the threedimensional model of generation
The analysis of resource and utilization.
2nd, 3 D electromagnetic frequency spectrum situation is divided into planes highly different one by one by the present invention, and a plane is shown every time
On electromagnetic spectrum situation, observer can pass through adjustment level obtain space in other positions electromagnetic spectrum situation.
3rd, the present invention watches 3 D electromagnetic frequency spectrum situation by wearing virtual reality head-mounted display apparatus, compares traditional
Observation procedure, overcomes the incomplete shortcoming of traditional spectrogram display information, and observer can be immersed in observing environment and carry out
Viewing the whole spectrum information.
4th, the present invention compares traditional observation side due to extracting spectrum information while 3 D electromagnetic situation is observed
Method, observer can control 3 D electromagnetic frequency spectrum situation map with frequency, intensity, debud mode, the code of written form display signal
First speed these information, improve the efficiency of observation.
Description of the drawings
Fig. 1 is the flowchart of the present invention；
Fig. 2 is 3 D electromagnetic frequency spectrum situation of the monitored area in normal mode without mobile station generated with the present invention
Figure；
Fig. 3 is 3 D electromagnetic frequency spectrum situation of the monitored area in normal mode containing mobile station generated with the present invention
Figure；
Fig. 4 is the 3 D electromagnetic frequency spectrum situation map with the present invention after adjustment frequency spectrum shows height.
Specific embodiment
The solution of the present invention and effect are described further referring to the drawings.
The present invention is a kind of electromagnetic spectrum situation observation procedure based on immersed system of virtual reality, and immersion is virtually existing
Real system refers mainly to be closed the vision of user, audition using Helmet Mounted Display, produces virtual sense.Set using virtual reality
Standby observation electromagnetic spectrum needs to be modeled observation area, while needing the frequency spectrum data for processing observation area.
With reference to Fig. 1, the present invention's realizes that step is as follows：
Step 1, generates electromagnetic field propagation model.
The trees of observation area, building these objects are modeled using triangulation, so as to generate the area of observation coverage
The threedimensional model in domain；
Pinup picture is carried out to threedimensional model, i.e., the flattening figure of building is set up according to the vertex position of building, then will be established
Flattening figure import in threedimensional model, generate observation area electromagnetic field propagation model.
Step 2, is electromagnetic field propagation model addition stationary singnal.
As shown in Fig. 2 the present invention uses base station as stationary singnal model, 8 are with the addition of altogether in electromagnetic field propagation model
Individual base station, when observer is watched, whether each base station needs to judge oneself in the observer visual field：
If in the observer visual field, the name of this base station is shown near base station, when the focus in the observer visual field
When the time of staying on base station was more than 2 seconds, then the signal location of display source signal, intensity, mid frequency, modulation system and code
First speed these essential informations；
If base station disappears from the observer visual field, the name of this base station is no longer shown.
Step 3, is electromagnetic field propagation model addition Dynamic Signal.
As shown in figure 3, the present invention use dolly as Dynamic Signal model, while dolly is moved in observation area to
Surrounding sending signal；
When being watched, whether dolly needs to judge oneself in the visual field of observer observer：
If in the observer visual field, the name of dolly is shown, and when the focus in the observer visual field is stopped on dolly
When the time stayed was more than 2 seconds, then the current location of dolly and intensity, mid frequency, the modulation system of dolly sending signal are shown
With these essential informations of chip rate；
If dolly disappears from the observer visual field, the name of dolly is no longer shown.
Step 4, determines plane of vision.
Plane that height is 1 is selected in the electromagnetic field propagation model for generating in step 1 as plane of vision, then
Quantify to choose 10000 points on plane of vision, and these points being selected is evenly distributed on plane of vision；
Observer is adjusted by two different key mappings on keyboard to the height of plane of vision, as shown in figure 4, observation
The 3 D electromagnetic frequency spectrum situation map of observation area differing heights can be seen after person's adjustment plane of vision height.
Step 5, determines the distance and intensity of stationary singnal each point to plane of vision.
The distance of the stationary singnal each point selected to plane of vision 5a) is determined using equation below：
Wherein dsRefer to the actual range of base station signal each point to plane of vision, d1It is that base station is reached on plane of vision respectively
Point process after distance, when observer adjust plane of vision when, by redefine stationary singnal each point to plane of vision away from
From.
5b) using equation below calculate stationary singnal reach after channel fading each point on plane of vision signal it is strong
Degree：
Wherein P1Refer to that stationary singnal reaches the signal intensity of each point on plane of vision, P after declinesRefer to stationary singnal
Transmission power, λ refers to the wavelength of signal.
Step 6, determines the distance and intensity of Dynamic Signal each point to plane of vision.
The distance of the Dynamic Signal each point selected to plane of vision 6a) is determined using equation below：
Wherein ddRefer to the actual range of Dynamic Signal each point to plane of vision, d2It is that Dynamic Signal reaches plane of vision
Upper each point process after distance, when observer adjusts plane of vision, will redefine Dynamic Signal to plane of vision each point
Distance.
6b) using equation below calculate Dynamic Signal reach after channel fading each point on plane of vision signal it is strong
Degree：
Wherein P2Refer to that Dynamic Signal reaches the signal intensity of each point on plane of vision, P after declinedRefer to Dynamic Signal
Transmission power, λ refers to the wavelength of signal.
Step 7, determines the signal overall strength of each point on plane of vision.
Intensity P of the stationary singnal that step 5 is determined to each point on plane of vision1The Dynamic Signal determined with step 6 is arrived
Intensity P of each point on plane of vision2Be added, so as to obtain stationary singnal and Dynamic Signal collective effect under plane of vision on it is each
Signal overall strength P of point0。
Step 8, normalized signal intensity.
By signal overall strength P of each point on the plane of vision of gained in step 70It is normalized, normalization process
Carry out according to equation below：
Wherein P is signal intensity after normalization, PiIt is the signal intensity for needing each point in the plane that is normalized, Pmax
It is the maximum of the signal intensity of each point in plane, PminIt is the minima of the signal intensity of each point in plane, W refers to normalization
Weights, herein value is 1.2.
Step 9, generates 3 D electromagnetic frequency spectrum situation map.
3 D electromagnetic frequency spectrum situation map is generated by the way of color mapping, i.e., between normalized signal intensity and color
A mapping relations are set up, different normalized signal intensity is mapped as different colors, its specific implementation is：
9a) calculate the corresponding red, green of normalized signal intensity, the numerical value of blue three kinds of basic colors.
The present invention calculates the corresponding red, green of normalized signal intensity, blue three kinds of basic colors using equation below
Numerical value：
Wherein L represents the maximum of the signal intensity after normalized, and P represents each point in the plane after normalization
Signal intensity, R, G, B represent respectively the numerical value that signal intensity is carried out the three kinds of colors of red, green, blue after color mapping, R, G, B
Numerical value with generate 3 D electromagnetic frequency spectrum situation map per frame calculate once, the number of R, G, B when signal intensity changes
Value can and then be updated；
The color of point selected on plane of vision 9b) is determined according to R, G, B numerical value for obtaining, so as to generate 3 D electromagnetic frequency
Spectrum situation map.
The present invention is using the function of computer hardware offer directly by above-mentioned steps 9a) middle red, the green, blueness for determining
The numerical value of three kinds of basic colors is converted into corresponding color.
Step 10, watches 3 D electromagnetic frequency spectrum situation map.
The 3 D electromagnetic frequency spectrum situation map for 10a) generating step 9 switches to virtual real mode：
The present invention generates 3 D electromagnetic frequency spectrum situation map using Unity3D designs, adds to virtual reality in Unity3D
Support, choose Virtual Reality Supported in operation interface before operation program and be capable of achieving；
10b) wear virtual reality head-mounted display apparatus viewing 3 D electromagnetic frequency spectrum situation map.
Virtual reality head-mounted display apparatus are aobvious also known as VR heads, are the equipment for watching virtual scene, at present on the market
There are many producers to have begun to produce this equipment, the equipment can be closed people's vision to external world, audition, guiding is used
Family produces a kind of sensation in virtual scene.Its primary structure for being responsible for being imaged is lens and screen, lens 2- before eyes
At 3cm, away from lens 3-6cm, the picture on screen can formed screen in the presence of lens at eyes 25-50cm
Virtual scene, wears VR heads and shows that seen during viewing is exactly this virtual scene.VR heads are aobvious to be built-in with gyroscope, can be with
The action of head is sensed, the angle of oneself virtual scene of viewing will be changed when end rotation.Wear that VR heads are aobvious can to make void
The scene of plan has third dimension, and its principle is that the image seen using left eye and right eye has small difference, this discrepant figure
As the fusion through brain, there will be the image of stereoscopic visual effect.
In the present invention, observer needs to wear virtual reality head-mounted display apparatus viewing 3 D electromagnetic frequency spectrum situation map,
As long as the equipment is connected on computer during viewing, then arriving the 3 D electromagnetic frequency spectrum situation map generated on computer output should
On the screen of equipment, observer is it is seen that there is the electromagnetic spectrum situation map of stereoscopic visual effect.
Claims (9)
1. a kind of electromagnetic spectrum situation observation procedure based on immersed system of virtual reality, comprises the steps：
(1) the three-dimensional geography model M of observation area is generated according to observation area geography information0, then choose in the model some
Stationary singnal and Dynamic Signal are added in position, generate the threedimensional model M containing signal source1；
(2) the threedimensional model M containing signal source is chosen1Camber is plane S of h, and 1≤h≤100 determine that stationary singnal is arrived
Each point apart from d in the plane1With on Dynamic Signal to the plane each point apart from d2；
(3) distance tried to achieve according to step (2) calculate respectively stationary singnal reach after decline each point in plane S signal it is strong
Degree P1With the signal intensity P that Dynamic Signal reaches each point in plane S after decline2；
(4) signal intensity of gained in step (3) is normalized, and intensity P after the letter after normalized is adopted
The mode mapped with color generates observation space 3 D electromagnetic frequency spectrum situation map；
(5) the observation space 3 D electromagnetic frequency spectrum situation map that step (4) is generated is tuned into into Virtual Reality pattern, observer passes through
Virtual reality head-mounted display apparatus are watched, and control the spectrum information needed for 3 D electromagnetic frequency spectrum situation map shows.
2. method according to claim 1, the wherein stationary singnal in step (1), refer to and do not change over position
Base station, it includes base station signal location, intensity, mid frequency, modulation system and chip rate these essential informations.
3. method according to claim 1, the wherein Dynamic Signal in step (1), refer to the shifting for changing over position
Dynamic platform, it includes mobile station signal location, intensity, mid frequency, modulation system and chip rate these essential informations.
4. method according to claim 1, wherein the threedimensional model M containing signal source in step (2)1In level
H, is adjusted as needed, when the height of plane changes, then needs again process signal source to each point in plane
Distance.
5. determine in method according to claim 1, wherein step (2) stationary singnal in the plane each point apart from d1
With on Dynamic Signal to the plane each point apart from d2, calculated as follows：
Wherein dsRefer to the actual range of stationary singnal each point to plane, ddRefer to the reality of Dynamic Signal each point to plane
Distance.
6. method according to claim 1, the signal intensity of each point adopts equation below meter wherein on step (3) midplane
Calculate：
Wherein, P1Refer to that stationary singnal reaches the signal intensity of each point in plane, P after decline2Refer to Dynamic Signal after decline
Reach the signal intensity of each point in plane, PsRefer to the transmission power of stationary singnal, PdRefer to the transmission power of Dynamic Signal, λ refers to signal
Wavelength.
7. method according to claim 1, is wherein normalized, by following public affairs in step (4) to signal intensity
Formula is carried out：
Wherein P is signal intensity after normalization, PiIt is the signal intensity for needing each point in the plane that is normalized, PmaxIt is plane
The maximum of the signal intensity of upper each point, PminIt is the minima of the signal intensity of each point in plane, W refers to normalization weights, this
Place's value is 1.2.
8. method according to claim 1, the color mapping wherein in step (4), is calculated respectively according to below equation
The value of the corresponding three kinds of colors of red, green, blue of signal intensity after normalization.
Wherein L represents the maximum of the signal intensity after normalized, and P represents that the signal of each point in the plane after normalization is strong
Degree, R, G, B represent respectively the numerical value that signal intensity is carried out the three kinds of colors of red, green, blue after color mapping；
The numerical value of R, G, B is calculated once with the 3 D electromagnetic frequency spectrum situation map for generating per frame, when signal intensity changes
The numerical value of R, G, B can and then be updated.
9. method according to claim 1, wherein observer is seen by virtual reality head-mounted display apparatus in step (5)
3 D electromagnetic frequency spectrum situation is seen, is the key up and down by keyboard changing the observation position of oneself, or seen by rotating
The head of survey person changes the angle of observation, after signal source enters the visual field of observer can automatic display source signal name,
After observer stared at time of a signal source more than 2 seconds, it will the mid frequency of display source signal, code element digit rate, modulation methods
Formula these essential informations.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108268636A (en) * | 2018-01-17 | 2018-07-10 | 四川开澜科技有限公司 | A kind of space-time situation three-dimensional display based on electromagnetic monitoring big data |
| CN108318029A (en) * | 2017-11-27 | 2018-07-24 | 中国电子科技集团公司电子科学研究院 | Attitude Tracking and image superimposing method and display equipment |
| CN112040215A (en) * | 2020-08-30 | 2020-12-04 | 河北军云软件有限公司 | Naked eye stereoscopic display system in electromagnetic environment |
| CN114003981A (en) * | 2021-11-05 | 2022-02-01 | 成都戎星科技有限公司 | Electromagnetic spectrum visual analysis method based on space-time integrated digital earth |
| WO2022206149A1 (en) * | 2021-03-30 | 2022-10-06 | 南京航空航天大学 | Three-dimensional spectrum situation completion method and apparatus based on generative adversarial network |
| CN115980464A (en) * | 2023-03-17 | 2023-04-18 | 中国人民解放军国防科技大学 | Electromagnetic environment construction method and device based on metauniverse |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315642A (en) * | 2008-04-25 | 2008-12-03 | 东南大学 | Virtual reality simulation method of wind power generation system |
| CN103479138A (en) * | 2013-08-08 | 2014-01-01 | 罗轶 | Interactive virtual reality car show platform |
| CN104316778A (en) * | 2014-11-13 | 2015-01-28 | 李建 | Spatial electromagnetic frequency spectrum detection method |
| CN105807931A (en) * | 2016-03-16 | 2016-07-27 | 成都电锯互动科技有限公司 | Realization method of virtual reality |
-
2016
- 2016-11-02 CN CN201610966554.6A patent/CN106569044B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101315642A (en) * | 2008-04-25 | 2008-12-03 | 东南大学 | Virtual reality simulation method of wind power generation system |
| CN103479138A (en) * | 2013-08-08 | 2014-01-01 | 罗轶 | Interactive virtual reality car show platform |
| CN104316778A (en) * | 2014-11-13 | 2015-01-28 | 李建 | Spatial electromagnetic frequency spectrum detection method |
| CN105807931A (en) * | 2016-03-16 | 2016-07-27 | 成都电锯互动科技有限公司 | Realization method of virtual reality |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318029A (en) * | 2017-11-27 | 2018-07-24 | 中国电子科技集团公司电子科学研究院 | Attitude Tracking and image superimposing method and display equipment |
| CN108268636A (en) * | 2018-01-17 | 2018-07-10 | 四川开澜科技有限公司 | A kind of space-time situation three-dimensional display based on electromagnetic monitoring big data |
| CN112040215A (en) * | 2020-08-30 | 2020-12-04 | 河北军云软件有限公司 | Naked eye stereoscopic display system in electromagnetic environment |
| WO2022206149A1 (en) * | 2021-03-30 | 2022-10-06 | 南京航空航天大学 | Three-dimensional spectrum situation completion method and apparatus based on generative adversarial network |
| CN114003981A (en) * | 2021-11-05 | 2022-02-01 | 成都戎星科技有限公司 | Electromagnetic spectrum visual analysis method based on space-time integrated digital earth |
| CN114003981B (en) * | 2021-11-05 | 2024-04-30 | 成都戎星科技有限公司 | Electromagnetic spectrum visual analysis method based on space-time integrated digital earth |
| CN115980464A (en) * | 2023-03-17 | 2023-04-18 | 中国人民解放军国防科技大学 | Electromagnetic environment construction method and device based on metauniverse |
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