CN115687499B - Global frequency spectrum map design and implementation system - Google Patents
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Abstract
The invention relates to the technical field of electromagnetic spectrum data visualization, and provides a global spectrum map design and implementation system. The system comprises: the data source module is used for acquiring global spectrum mapping data and storing the global spectrum mapping data into a database; the data service processing module is used for preprocessing the global spectrum mapping data through data reading, service operation and data transmission to obtain preprocessed global spectrum mapping data, rendering and drawing the preprocessed global spectrum mapping data, and transmitting the rendered and drawn global spectrum mapping data to the data display module; the data display module is used for converting the rendered and drawn global spectrum mapping data into a screen view form for display through logic control, man-machine interaction and visual display. The invention realizes the multi-scale unified modeling of the data and the multi-dimensional, multi-view and multi-scale expression of the global spectrum mapping data.
Description
Technical Field
The invention relates to the technical field of electromagnetic spectrum data visualization, in particular to a global spectrum map design and realization system.
Background
Currently, global spectrum resource conditions are subjected to general investigation, global spectrum maps are drawn, and the electromagnetic space is the first link for utilizing and controlling spectrum resources to be correctly recognized and understood. There have been many advances in visualizing spectral data, but global spectral mapping data has the following new problems over previous studies: firstly, the data volume is huge, the global spectrum resource cannot be mapped continuously by depending on a spectrum monitoring satellite, and the huge spectrum mapping data in a specific frequency band can be obtained, so that the characteristics of mass, high growth rate and diversification are presented; secondly, the data steady state and dynamic state, concentration and dispersion are difficult to unify, the spectrum mapping data has long-term steady state property and regular variability in time domain, and the spectrum resource distribution range is distributed globally but relatively concentrated in a certain area in space domain.
Therefore, there is a need for re-cognition and understanding of global spectral mapping data, which is studied using a suitable data organization and visual representation method.
Disclosure of Invention
In view of this, the invention provides a design and implementation method of global spectrum map, so as to solve the technical problems that in the prior art, massive and high growth rate and diversification are difficult to organize data, steady state and dynamic state of data, and unified and decentralized phase are difficult to visually express.
The invention provides a global frequency spectrum map design and realization system, comprising:
a data source module, a data service processing module and a data display module,
the data source module is used for acquiring global spectrum mapping data and storing the global spectrum mapping data into a database;
the data service processing module is used for preprocessing the global spectrum mapping data through data reading, service operation and data transmission to obtain preprocessed global spectrum mapping data, rendering and drawing the preprocessed global spectrum mapping data, and transmitting the rendered and drawn global spectrum mapping data to the data display module;
the data display module is used for converting the rendered and drawn global spectrum mapping data into a screen view form for display through logic control, man-machine interaction and visual display.
Further, the data source module comprises a definition data unit and an access data unit,
the definition data unit is used for defining a global spectrum mapping data source, a data format and a data interface;
the access data unit is used for accessing the global spectrum mapping data through the data interface to obtain dynamic perception of the spectrum situation.
Further, the data service processing module includes: a preprocessing unit, a business operation unit and a visual view drawing unit,
the preprocessing unit is used for preprocessing the global spectrum mapping data through data transmission, data sorting and data normalization to obtain processed global spectrum mapping data;
the business operation unit is used for transmitting the processed global spectrum mapping data to the visual view drawing unit based on corresponding business operation;
the visual view drawing unit is used for rendering and drawing the processed global spectrum mapping data to obtain rendered and drawn global spectrum mapping data.
Further, the service operation unit includes: a global spectrum mapping thermodynamic diagram subunit, a global radiation source distribution subunit, a radar three-dimensional coverage area subunit, a regional electromagnetic three-dimensional subdivision subunit and a multidimensional electromagnetic situation visualization analysis subunit,
the global spectrum mapping thermodynamic diagram subunit is used for displaying a global spectrum mapping thermodynamic diagram according to a sampling rule based on the spatial domain information and the energy domain information of the read global spectrum mapping data;
the global radiation source distribution sub-unit is used for determining a subdivision grid where the radiation source is positioned according to a positioning result of the radiation source based on the airspace, energy domain and frequency domain information of the read global spectrum mapping data and displaying a global radiation source distribution sub-image;
the radar three-dimensional coverage area sub-unit is used for searching an equivalent surface by combining a subdivision grid through a mobile cube algorithm based on the airspace, energy domain and frequency domain information of the read global spectrum mapping data, determining that the preprocessed global spectrum mapping data corresponds to the grid at the grid level, and displaying a radar three-dimensional coverage area sub-unit;
the regional electromagnetic three-dimensional subdivision sub-unit is used for determining grid levels to be drawn based on the energy domain and airspace information of the read global spectrum mapping data and displaying the regional electromagnetic three-dimensional subdivision sub-unit;
the multi-dimensional electromagnetic situation visualization analysis sub-graph sub-unit is used for displaying a multi-dimensional electromagnetic situation visualization analysis sub-graph based on time domain, space domain, energy domain and frequency domain information of the read global spectrum mapping data.
Further, the sampling rule includes:
a. determining a sampling granularity of global spectral mapping data, assuming that a pitch distribution of the global spectral mapping data in three dimensions of longitude and latitude is: the longitude interval is delta lon, the latitude interval is delta lat, and the altitude interval is delta h, the sampling granularity of the global spectrum mapping data is determined by adopting the minimum value of the three sampling granularities of the global spectrum mapping data, namely delta=min (delta lon, delta lat, delta h);
b. determining a grid correspondence level, and determining a network correspondence level according to a level correspondence rule based on the sampling granularity of the global spectrum mapping data, wherein the level correspondence rule comprises:
rule 2. If the subdivision granularity under the nth hierarchy is less than or equal to the sampling granularity and is the minimum value size (n+1) of the three, delta is less than or equal to size (N), then N=n+1;
wherein size (N) represents the subdivision granularity under the nth hierarchy, and N represents the subdivision network hierarchy;
c. calculating a corresponding subdivision grid according to the longitude and latitude heights acquired by the global spectrum mapping data, and mapping the sampling point attribute to the grid coordinate when the longitude and latitude heights of the sampling points fall into the subdivision grid coordinate range of the set range to determine the grid position;
d. interpolation processing is carried out on the grid lacking data.
Further, the moving cube algorithm specifically comprises the following steps:
step1: an initial subdivision level L is determined, and the data cube is traversed and vertices are marked under that level, with the iso-surface marked "0", otherwise marked "1".
step2: and judging whether the vertex mark under the hierarchy is 0, if so, continuing downward subdivision of the grid, and if not, stopping subdivision.
step3: and (3) continuing the steps 1 and 2 until grids where all the isosurfaces are located are found out under the grids of the required hierarchy.
Further, the visual view drawing unit includes a determination grid unit, a piecewise function subunit, a drawing visual subunit, and a resizing visual subunit,
the grid determining subunit is used for determining the space position of the grid in the scene according to the calculated center coordinates of the split grid;
the piecewise function subunit maps the field intensity data from small to large into red to blue gradual change by adopting a piecewise function method according to the change rule of the data and adopting a color mapping scheme, and obtains the color gradual change from red to green according to the change of the field intensity value from large to small;
the drawing visualization subunit is used for combining the geospatial data in the system and realizing the visual display of the frequency spectrum mapping data in the three-dimensional earth scene;
the dimension changing visualization subunit is used for changing the dimension during visualization by changing the mesh level, so as to realize multi-scale visual display of the frequency spectrum mapping data.
Further, the color mapping scheme includes an expression:
wherein E represents an energy domain value, emax represents a maximum value of the energy domain, emin represents a minimum value of the energy domain, R (E), G (E), B (E) represent three components of red, green and blue of a color, A (E) represents transparency of the color block
Further, the data presentation module includes: logic control unit, man-machine interaction unit and visual display unit,
the logic control unit is used for performing logic control of the whole system interface;
the man-machine interaction unit is used for judging the input states and contents of the keyboard and the mouse and transmitting the input states and contents to the data service processing module for processing;
and the visual display unit is used for converting the rendered and drawn global spectrum mapping data into a screen view in the three-dimensional earth scene for presentation.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention realizes the multi-scale unified modeling of the data by judging the data sampling granularity;
2. the invention realizes multidimensional, multi-view and multi-scale expression of the global spectrum mapping data by the multi-view expression method.
Drawings
In order to more clearly illustrate the technical solutions of the present invention, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a block diagram of a global spectrum map design and implementation system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a design and implementation system of a global spectrum mapping system according to an embodiment of the present invention.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
A global spectrum map design and implementation system according to the present invention is described in detail below with reference to the accompanying drawings.
FIG. 1 is a block diagram of a global spectrum map design and implementation system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a design and implementation system for a global spectrum map according to an embodiment of the present invention;
as shown in fig. 1, the system includes:
a data source module, a data service processing module and a data display module,
the data source module is used for acquiring global spectrum mapping data and storing the global spectrum mapping data into a database;
the data source module receives the global spectrum mapping data uniformly through a defined data interface.
The data source module comprises a definition data unit and an access data unit,
the definition data unit is used for defining a global spectrum mapping data source, a data format and a data interface;
the access data unit is used for accessing the global spectrum mapping data through the data interface to obtain dynamic perception of the spectrum situation.
The data source module receives global spectrum mapping data in an excel format and stores the global spectrum mapping data in a database. The method defines the source of global spectrum mapping data, the format of the data and related data interfaces, provides data support service for system operation, and realizes the dynamic perception of spectrum situation by accessing global spectrum monitoring data through the data interfaces. The database is mainly used for storing various data resources, and specifically comprises a geospatial database (specifically comprising geographic elevation data, geographic image data, administrative region division and the like), a global radiation source characteristic and attribute database (specifically comprising spatial position coordinates, frequency bands, power, duration and the like), a business service database (specifically comprising radio law regulation policies and the like), a frequency spectrum resource database and a historical spectrum monitoring data construction historical database. The data source module is also used for storing process data generated in the operation of the system.
The data service processing module is used for preprocessing the global spectrum mapping data through data reading, service operation and data transmission to obtain preprocessed global spectrum mapping data, rendering and drawing the preprocessed global spectrum mapping data, and transmitting the rendered and drawn global spectrum mapping data to the data display module;
performing different processing according to display requirements includes: three steps of data reading, service operation and data transmission, adopting different service operation processes according to different visual display contents,
the data service processing module comprises: a preprocessing unit, a business operation unit and a visual view drawing unit,
the preprocessing unit is used for preprocessing the global spectrum mapping data through data transmission, data sorting and data normalization to obtain processed global spectrum mapping data;
the business operation unit is used for transmitting the processed global spectrum mapping data to the visual view drawing unit based on corresponding business operation;
the business operation unit comprises: a global spectrum mapping thermodynamic diagram subunit, a global radiation source distribution subunit, a radar three-dimensional coverage area subunit, a regional electromagnetic three-dimensional subdivision subunit and a multidimensional electromagnetic situation visualization analysis subunit,
the global spectrum mapping thermodynamic diagram subunit is configured to obtain first grid corresponding data according to a sampling rule by corresponding the global spectrum mapping data to the subdivision grid according to the spatial information based on reading spatial information and energy domain information of the global spectrum mapping data, and transmit the first grid corresponding data to the visualization drawing unit for rendering and drawing, and then display a global spectrum mapping thermodynamic diagram;
wherein the sampling rule includes:
a. determining a sampling granularity of global spectral mapping data, assuming that a pitch distribution of the global spectral mapping data in three dimensions of longitude and latitude is: the longitude interval is delta lon, the latitude interval is delta lat, and the altitude interval is delta h, the sampling granularity of the global spectrum mapping data is determined by adopting the minimum value of the three sampling granularities of the global spectrum mapping data, namely delta=min (delta lon, delta lat, delta h);
b. determining a grid correspondence level, and determining a network correspondence level according to a level correspondence rule based on the sampling granularity of the global spectrum mapping data, wherein the level correspondence rule comprises:
rule 2. If the subdivision granularity under the nth hierarchy is less than or equal to the sampling granularity and is the minimum value size (n+1) of the three, delta is less than or equal to size (N), then N=n+1;
wherein size (N) represents the subdivision granularity under the nth hierarchy, and N represents the subdivision network hierarchy;
c. calculating a corresponding subdivision grid according to the longitude and latitude heights acquired by the global spectrum mapping data, and mapping the sampling point attribute to the grid coordinate when the longitude and latitude heights of the sampling points fall into the subdivision grid coordinate range of the set range to determine the grid position;
d. interpolation processing is carried out on the grid lacking data.
The global radiation source distribution sub-unit is used for determining a subdivision grid where the radiation source is positioned according to a positioning result of the radiation source based on the airspace, energy domain and frequency domain information of the read global spectrum mapping data and displaying a global radiation source distribution sub-image;
the global radiation source distribution sub-unit is used for determining a split grid where the radiation source is located according to a positioning result of the radiation source based on the airspace, energy domain and frequency domain information of the read global spectrum mapping data, obtaining second grid corresponding data, transmitting the second grid corresponding data to the visual drawing unit for rendering and drawing, and then displaying a global radiation source distribution sub-image;
the radar three-dimensional coverage area sub-unit is used for searching an equivalent surface by combining a subdivision grid through a mobile cube algorithm based on the airspace, energy domain and frequency domain information of the read global spectrum mapping data, determining that the preprocessed global spectrum mapping data corresponds to the grid at the grid level, and displaying a radar three-dimensional coverage area sub-unit;
the radar three-dimensional coverage area sub-unit is used for reading the airspace, energy domain and frequency domain information of the global spectrum mapping data, determining that the data corresponds to a grid under a grid level, obtaining third grid corresponding data, searching an equivalent surface by combining a moving cube algorithm with a subdivision grid, transmitting the third grid corresponding data to the visual drawing unit for drawing, and then displaying the radar three-dimensional coverage area sub-unit;
the moving cube algorithm comprises the following specific steps:
step1: an initial subdivision level L is determined, and the data cube is traversed and vertices are marked under that level, with the iso-surface marked "0", otherwise marked "1".
step2: and judging whether the vertex mark under the hierarchy is 0, if so, continuing downward subdivision of the grid, and if not, stopping subdivision.
step3: and (3) continuing the steps 1 and 2 until grids where all the isosurfaces are located are found out under the grids of the required hierarchy.
The regional electromagnetic three-dimensional subdivision sub-unit is used for determining grid levels to be drawn based on the energy domain and airspace information of the read global spectrum mapping data and displaying the regional electromagnetic three-dimensional subdivision sub-unit;
the regional electromagnetic three-dimensional subdivision sub-unit is used for determining a grid level to be drawn based on the energy domain and airspace information of the read global spectrum mapping data, corresponding the data with the grid under the network level to obtain fourth grid corresponding data, transmitting the fourth grid corresponding data to the visual view drawing unit for rendering and drawing according to a visual data request of the fourth grid corresponding data display module, and displaying the regional electromagnetic three-dimensional subdivision sub-unit;
the multi-dimensional electromagnetic situation visualization analysis sub-graph sub-unit is used for displaying a multi-dimensional electromagnetic situation visualization analysis sub-graph based on time domain, space domain, energy domain and frequency domain information of the read global spectrum mapping data.
The multi-dimensional electromagnetic situation visualization analysis sub-picture unit is used for obtaining fifth grid corresponding data based on time domain, space domain, energy domain and frequency domain information of the read global frequency spectrum mapping data according to the space coordinates of the radiation source, transmitting the fifth grid corresponding data to the visualization drawing unit for rendering and drawing, and then displaying the multi-dimensional electromagnetic situation visualization analysis sub-picture.
The visual view drawing unit is used for rendering and drawing the processed global spectrum mapping data to obtain rendered and drawn global spectrum mapping data.
The visual view drawing unit includes a determination grid unit, a piecewise function subunit, a drawing visual subunit, and a resize visual subunit,
the grid determining subunit is used for determining the space position of the grid in the scene according to the calculated center coordinates of the split grid;
the piecewise function subunit maps the field intensity data from small to large into red to blue gradual change by adopting a piecewise function method according to the change rule of the data and adopting a color mapping scheme, and obtains the color gradual change from red to green according to the change of the field intensity value from large to small;
the segmentation function subunit maps field intensity data from small to large into gradual change from red to blue by adopting a segmentation function method and a color mapping scheme according to the change rule of the data, the color is provided with four components RGBA, RGB is a color component and represents three primary colors of red, green and blue respectively, A is a transparency component and represents transparency of the color, the value range of each component is [0.0,1.0], a certain point field intensity value is E (in dBm) is assumed, the transfer function is carried out by adopting the color mapping scheme, the point red component with the largest field intensity is 1.0, the blue and green components are 0.0, the point green component with the smallest field intensity is 1.0, the transparency of the points with the zero field intensity is 0, namely the full transparent state, and the like, and the color gradually changes from red to green according to the change of the field intensity value from large to small, so that the rule of field intensity change is more met;
wherein the color mapping scheme includes the expression:
wherein Emax represents the maximum value of the energy domain, emin represents the minimum value of the energy domain, R (E), G (E), B (E) represent the three components of red, green and blue of the color, A (E) represents the transparency of the color block
The drawing visualization subunit is used for combining geographic space data (including topography, elevation, geographic image mapping and the like) in the system to realize the visual display of the frequency spectrum mapping data in the three-dimensional earth scene;
the dimension changing visualization subunit is used for changing the dimension during visualization by changing the mesh level, so as to realize multi-scale visual display of the frequency spectrum mapping data.
The data display module is used for converting the rendered and drawn global spectrum mapping data into a screen view form for display through logic control, man-machine interaction and visual display.
The data display module comprises: logic control unit, man-machine interaction unit and visual display unit,
the logic control unit is used for performing logic control of the whole system interface;
the man-machine interaction unit is used for judging the input states and contents of the keyboard and the mouse and transmitting the input states and contents to the data service processing module for processing;
and the visual display unit is used for converting the rendered and drawn global spectrum mapping data into a screen view in the three-dimensional earth scene for presentation.
The invention realizes the multi-scale unified modeling of the data by judging the data sampling granularity; the invention realizes multidimensional, multi-view and multi-scale expression of the global spectrum mapping data by the multi-view expression method.
Any combination of the above optional solutions may be adopted to form an optional embodiment of the present application, which is not described herein in detail.
It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic, and should not limit the implementation process of the embodiment of the present invention.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and are intended to be included in the scope of the present invention.
Claims (3)
1. A global spectrum map design and implementation system, comprising: a data source module, a data service processing module and a data display module,
the data source module is used for acquiring global spectrum mapping data and storing the global spectrum mapping data into a database;
the data service processing module is used for preprocessing the global spectrum mapping data through data reading, service operation and data transmission to obtain preprocessed global spectrum mapping data, rendering and drawing the preprocessed global spectrum mapping data, and transmitting the rendered and drawn global spectrum mapping data to the data display module;
the data display module is used for converting the rendered and drawn global spectrum mapping data into a screen view form for display through logic control, man-machine interaction and visual display;
the data service processing module comprises: a preprocessing unit, a business operation unit and a visual view drawing unit,
the preprocessing unit is used for preprocessing the global spectrum mapping data through data transmission, data sorting and data normalization to obtain processed global spectrum mapping data;
the business operation unit is used for transmitting the processed global spectrum mapping data to the visual view drawing unit based on corresponding business operation;
the visual view drawing unit is used for rendering and drawing the processed global spectrum mapping data to obtain rendered and drawn global spectrum mapping data;
the business operation unit comprises: a global spectrum mapping thermodynamic diagram subunit, a global radiation source distribution subunit, a radar three-dimensional coverage area subunit, a regional electromagnetic three-dimensional subdivision subunit and a multidimensional electromagnetic situation visualization analysis subunit,
the global spectrum mapping thermodynamic diagram subunit is used for displaying a global spectrum mapping thermodynamic diagram according to a sampling rule based on the spatial domain information and the energy domain information of the read global spectrum mapping data;
the global radiation source distribution sub-unit is used for determining a subdivision grid where the radiation source is positioned according to a positioning result of the radiation source based on the airspace, energy domain and frequency domain information of the read global spectrum mapping data and displaying a global radiation source distribution sub-image;
the radar three-dimensional coverage area sub-unit is used for searching an equivalent surface by combining a subdivision grid through a mobile cube algorithm based on the airspace, energy domain and frequency domain information of the read global spectrum mapping data, determining that the preprocessed global spectrum mapping data corresponds to the grid at the grid level, and displaying a radar three-dimensional coverage area sub-unit;
the regional electromagnetic three-dimensional subdivision sub-unit is used for determining grid levels to be drawn based on the energy domain and airspace information of the read global spectrum mapping data and displaying the regional electromagnetic three-dimensional subdivision sub-unit;
the multi-dimensional electromagnetic situation visualization analysis sub-graph unit is used for displaying a multi-dimensional electromagnetic situation visualization analysis sub-graph based on time domain, space domain, energy domain and frequency domain information of the read global spectrum mapping data;
the sampling rule includes:
a. determining a sampling granularity of global spectral mapping data, assuming that a pitch distribution of the global spectral mapping data in three dimensions of longitude and latitude is: the longitude interval is delta lon, the latitude interval is delta lat, and the altitude interval is delta h, the sampling granularity of the global spectrum mapping data is determined by adopting the minimum value of the three sampling granularities of the global spectrum mapping data, namely delta=min (delta lon, delta lat, delta h);
b. determining a grid correspondence level, and determining a network correspondence level according to a level correspondence rule based on the sampling granularity of the global spectrum mapping data, wherein the level correspondence rule comprises:
rule 1. If the subdivision granularity and the sampling granularity at the nth level are equal to the minimum of the three, i.e. size (N) =δ, then n=n;
rule 2. If the subdivision granularity under the nth hierarchy is less than or equal to the sampling granularity and is the minimum value size (n+1) of the three, delta is less than or equal to size (N), then N=n+1;
wherein size (N) represents the subdivision granularity under the nth hierarchy, and N represents the subdivision network hierarchy;
c. calculating a corresponding subdivision grid according to the longitude and latitude heights acquired by the global spectrum mapping data, and mapping the sampling point attribute to the grid coordinate when the longitude and latitude heights of the sampling points fall into the subdivision grid coordinate range of the set range to determine the grid position;
d. interpolation processing is carried out on the grid lacking data;
the moving cube algorithm comprises the following specific steps:
step1: determining an initial subdivision level L, traversing a data cube under the level L, marking vertexes, marking the existence of an isosurface as '0', and marking the isosurface as '1' otherwise;
step2: judging whether the vertex mark under the hierarchy is 0, if so, continuing downward subdivision of the grid, otherwise, stopping subdivision;
step3: continuing the steps 1 and 2 until grids where all the iso-surfaces are located are found out under the grids of the required level;
the visual view drawing unit includes a determination grid unit, a piecewise function subunit, a drawing visual subunit, and a resize visual subunit,
the grid determining subunit is used for determining the space position of the grid in the scene according to the calculated center coordinates of the split grid;
the piecewise function subunit maps the field intensity data from small to large into red to blue gradual change by adopting a piecewise function method according to the change rule of the data and adopting a color mapping scheme, and obtains the color gradual change from red to green according to the change of the field intensity value from large to small;
the drawing visualization subunit is used for combining the geospatial data in the system and realizing the visual display of the frequency spectrum mapping data in the three-dimensional earth scene;
the dimension changing visualization subunit is used for changing the dimension during visualization by changing the mesh level, so as to realize multi-scale visual display of the frequency spectrum mapping data;
the color mapping scheme includes the expression:
wherein E represents an energy domain value, emax represents a maximum value of the energy domain, R (E), G (E), B (E) represent three components of red, green, and blue of a color, and a (E) represents transparency of the color patch.
2. The design and implementation system of claim 1, wherein the data source module comprises a definition data unit and an access data unit,
the definition data unit is used for defining a global spectrum mapping data source, a data format and a data interface;
the access data unit is used for accessing the global spectrum mapping data through the data interface to obtain dynamic perception of the spectrum situation.
3. The design and implementation system of claim 1, wherein the data presentation module comprises: logic control unit, man-machine interaction unit and visual display unit,
the logic control unit is used for performing logic control of the whole system interface;
the man-machine interaction unit is used for judging the input states and contents of the keyboard and the mouse and transmitting the input states and contents to the data service processing module for processing;
and the visual display unit is used for converting the rendered and drawn global spectrum mapping data into a screen view in the three-dimensional earth scene for presentation.
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