CN101349718A - Method, system and apparatus for generating electromagnetic field three-dimensional model - Google Patents
Method, system and apparatus for generating electromagnetic field three-dimensional model Download PDFInfo
- Publication number
- CN101349718A CN101349718A CNA2007100752164A CN200710075216A CN101349718A CN 101349718 A CN101349718 A CN 101349718A CN A2007100752164 A CNA2007100752164 A CN A2007100752164A CN 200710075216 A CN200710075216 A CN 200710075216A CN 101349718 A CN101349718 A CN 101349718A
- Authority
- CN
- China
- Prior art keywords
- field intensity
- parameter information
- dimensional
- signal parameter
- information
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention provides a generation method for the three-dimension model of an electromagnetic field, a system and a device thereof, belonging to the engineering design technical field. The method comprises the steps of: processing the signal parameter information attained at the check point; according to the signal parameter information and the actual landform in a preset signal coverage region, plotting a three-dimension field intensity distribution model. In the embodiment of the invention, a three-dimension field intensity distribution model of virtual wireless launch points at actual landform is built on an electric map to accurately represent the signal field intensity distribution of a launching pad and provide a reference platform for the location of new signal launch points.
Description
Technical field
The invention belongs to engineering design field, relate in particular to a kind of generation method, system and equipment of electromagnetic field three-dimensional model.
Background technology
Under perfect condition, the signal coverage in the horizontal direction of wireless transmit point emission only and distance dependent, the field intensity isoline is one group of concentric circles.Under actual conditions, electromagnetic field is subjected to topographic condition (high mountain, forest etc.) influence, and actual field intensity isoline is irregular.For the plan overlay area of determining, the geographic position of transmitting set and emissive power are the deciding factors of signal cover.
For the field strength distribution analysis of wireless transmit point, be emissive power and coverage concentric circles to be estimated according to perfect condition, by signal strength measurement, revise field intensity map to a plurality of points in the overlay area.Because objective condition such as traffic restriction, sampled point to signal strength measurement in the overlay area is limited, and the uniqueness in geographic position, make this field strength distribution analytical approach of verifying by ideal conditions estimation and limited measurement point exist, be difficult to react strictly according to the facts the field strength distribution situation in the overlay area than mistake.
Wherein, location positioning for wireless transmit point, consider factors such as signal covering, cost, humanity, for selected launching site position, according to perfect condition emissive power and coverage are carried out qualitative evaluation, through signal strength measurement, determine emissive power and position to a plurality of points in the overlay area.This method for designing engineering design cycle is long, workload is big, and because the restriction of objective condition such as traffic, sampled point to signal strength measurement in the overlay area is limited, and the uniqueness in geographic position, make and this method for designing of verifying by ideal conditions estimation and limited measurement point be difficult to be implemented in the ideal signal covering in the presumptive area.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of generation method of electromagnetic field three-dimensional model, is intended to solve prior art the problem that exists than mistake is described in the field strength distribution measurement that the transmitting station signal covers.
The embodiment of the invention is achieved in that a kind of generation method of electromagnetic field three-dimensional model, and described method comprises the steps:
Handle the signal parameter information that check point obtains;
Draw to generate three-dimensional field intensity distributed model according to described signal parameter information and the terrain information of drafting the signal coverage areas scope.
Another purpose of the embodiment of the invention is to provide a kind of localization method of launching site, and described method comprises the steps:
According to the corrected parameter of three-dimensional field intensity distributed model analytical calculation landform to field strength distribution;
According to the corrected parameter of described landform, generate the three-dimensional field intensity distributed model of virtual launching site to field strength distribution;
The new signal launching site in three-dimensional field intensity distributed model location according to described virtual launching site.
Another purpose of the embodiment of the invention is to provide a kind of generation system of electromagnetic field three-dimensional model, and described system comprises:
Signal parameter information acquisition process module is used to handle the signal parameter information that check point obtains;
Database is used to store described signal parameter information;
Electronic map database is used to provide terrain information; And
Three-dimensional field intensity distributed model is drawn generation module, is used for drawing according to described signal parameter information and the terrain information of drafting the signal coverage areas scope generating three-dimensional field intensity distributed model.
Another purpose of the embodiment of the invention is to provide a kind of positioning system of launching site, and described system comprises:
The corrected parameter computing module is used for according to the corrected parameter of three-dimensional field intensity distributed model analytical calculation landform to field strength distribution;
The three-dimensional field intensity distributed model generation module of virtual launching site is used for according to the corrected parameter of described landform to field strength distribution, generates the three-dimensional field intensity distributed model of virtual launching site; And
The launching site locating module is used for the new signal launching site in three-dimensional field intensity distributed model location according to described virtual launching site.
Another purpose of the embodiment of the invention is to provide a kind of equipment, and described equipment comprises mobile field intensity sense terminals and server;
Described mobile field intensity sense terminals is handled the signal parameter information of check point, and the signal parameter information after the described processing is sent to server;
Described server is drawn on electronic chart according to described signal parameter information and is generated three-dimensional field intensity distributed model, and generates the three-dimensional field intensity distributed model of virtual launching site according to described three-dimensional field intensity distributed model, locatees new signal launching site.
In embodiments of the present invention,, reflect that accurately the signal strength of transmitting station distributes, for the location of new signal launching site provides with reference to platform by setting up the three-dimensional field intensity distributed model of virtual radio launching site under the actual landform condition on the electronic chart.
Description of drawings
Fig. 1 is the generation method realization flow figure of the electromagnetic field three-dimensional model that provides of the embodiment of the invention;
Fig. 2 is the realization flow figure that sends data that obtains of the mobile field intensity sense terminals that provides of the embodiment of the invention;
Fig. 3 is the realization flow figure that draws the three-dimensional field intensity distributed model of generation on electronic chart that the embodiment of the invention provides;
Fig. 4 is the localization method realization flow figure of the signal launching site that provides of the embodiment of the invention;
Fig. 5 is the generation system of the electromagnetic field three-dimensional model that provides of the embodiment of the invention and the structural drawing of launching site positioning system.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
In embodiments of the present invention,, reflect that accurately the signal strength of transmitting station distributes, for the location of new signal launching site provides with reference to platform by setting up the three-dimensional field intensity distributed model of virtual radio launching site under the actual landform condition on the electronic chart.
Fig. 1 shows the generation method realization flow of the electromagnetic field three-dimensional model that the embodiment of the invention provides, and its detailed step is as described below:
In step S101, several check points are set in the signal coverage areas of actual transmission point.
In step S102, real space position according to above-mentioned check point, utilize mobile field intensity sense terminals to obtain the signal parameter information of this check point, and the signal parameter information after will this mobile field intensity sense terminals handling is by GPRS (General Packet Radio Service, GPRS) send to server end, wherein this signal parameter information comprises the field intensity information and GPS (the Global Positioning System of this check point locus, GPS) data message, this gps data are the coordinate information of this check point locus.
In step S103, the signal parameter information of several check points that the above-mentioned mobile field intensity sense terminals that server stores receives sends, wherein, the number of this check point can be determined according to actual conditions, satisfy needs according to drawing isoline on electronic chart, but the number of check point is The more the better, and the three-dimensional field intensity distributed model of Hui Zhiing just can be got over the signal coverage varies of simulating accurately under the physical condition like this.
In embodiments of the present invention, before this signal parameter information of server stores, need this signal parameter information is carried out data processing, because server is to obtain data from GPRS, therefore these data are unpacked and resolve generation original signal parameter information, promptly in the detected signal parameter information of mobile field intensity sense terminals.
In step S104, extract this signal parameter information from server, adopt the equivalent fitting algorithm of electromagnetic field, on electronic chart, draw and generate three-dimensional field intensity distributed model figure.
As one embodiment of the present of invention, Fig. 2 shows the realization flow that sends data that obtains of mobile field intensity sense terminals that the embodiment of the invention provides, and its detailed step is as described below:
In step S201, according to GPS information, obtain this check point signal parameter information, i.e. the gps data of check point and field intensity information, this gps data is the coordinate information of this check point locus.
In step S202, the signal parameter information of the check point that gets access to is carried out data processing, comprise packing data, modulation etc.
In step S203, the signal parameter information data after the above-mentioned processing is sent to server by GPRS network.
Because the signal parameter information that mobile field intensity sense terminals is obtained must be transmitted by handling just can be modulated on the GPRS network, therefore, in above-mentioned steps, to pack, be modulated into the data that on GPRS network, to transmit the signal parameter information that gets access to.
As a preferred embodiment of the present invention, Fig. 3 shows the realization flow of drawing the three-dimensional field intensity distributed model of generation on electronic chart that the embodiment of the invention provides, and its detailed step is as described below:
In step S301, in server, extract signal parameter information, this parameter information is promptly by the original signal parameter information after handling.
In step S302, according to the parameter information of launching site and the signal parameter information of said extracted, on electronic chart, draw field intensity isoline and contour surface according to the terrain information (electronic map database provides) of drafting the signal coverage areas scope, wherein, the parameter information of launching site is promptly drafted the gps data of launching site and field intensity emissive power etc.; And this isoline and contour surface are to finish by the mathematics drawing instrument (algorithm) of special use.
In step S303, generate the field intensity data fields according to field intensity isoline on the above-mentioned electronic chart and contour surface.
In step S304, above-mentioned field intensity data fields is carried out volume drawing generate three-dimensional field intensity distributed model.
Realized setting up the accurate three-dimensional field intensity distributed model that influenced by topography and geomorphology by above-mentioned steps.
Fig. 4 shows the localization method realization flow of the signal launching site that the embodiment of the invention provides, and its detailed step is as described below:
In step S401, according to the three-dimensional field intensity distributed model of having set up in the above-mentioned steps, analyze this three-dimensional field intensity distributed model and calculate in drafting coverage landform the corrected parameter of field strength distribution, this parameter is exactly the influence parameter information of topography and geomorphology to field intensity, and promptly high mountain, forest are to the attenuation of field intensity.
In step S402, on electronic chart, in drafting coverage, select a launching site arbitrarily, the landform that analytical calculation obtains according to above-mentioned steps is drawn field intensity isoline, contour surface to the corrected parameter of field strength distribution.
In step S403, generate the three-dimensional field intensity distributed model of virtual launching site according to field intensity isoline, the contour surface of above-mentioned drafting, the as above description of the drafting product process of three-dimensional model in the accompanying drawing of its detailed process does not repeat them here.
In step S404, the three-dimensional field intensity distributed model of a plurality of virtual launching site that generate according to above-mentioned drafting, the new signal launching site in location in drafting coverage.
In embodiments of the present invention, on electronic chart, by in original actual test result, on the three-dimensional field intensity distributed model that generates in conjunction with the equivalent fitting algorithm of electromagnetic field, calculate the corrected parameter of landform, obtain on the electronic chart actual landform condition the corrected parameter of field strength distribution to field strength distribution.Like this, can determine to draft in the coverage arbitrfary point as the field intensity coverage of signal launching site, thereby from the comprehensive optimum position of finding out launching site in this coverage of signal cover.For example, in the display effect on this electronic chart can be: on the three-dimensional field intensity distributed model that original actual test generates, when the trigger point of electronic chart moves to the optional position (removing launching site) of this three-dimensional field intensity distributed model, landform according to aforementioned calculation is drawn the new virtual three-dimensional field intensity distributed model of generation automatically to the corrected parameter of field strength distribution, the demonstration curve of its model can have the difference of color or further feature with original actual demonstration curve of testing the three-dimensional field intensity distributed model that generates, making things convenient for the user can determine the covering area range of new launching site clearly, thereby find best signal launching site.
In embodiments of the present invention, after having set up three-dimensional field intensity distributed model, just can be on electronic chart, the virtual particular location of determining the optimum signal launching site in this drafts coverage, thus the engineering staff determines actual signal launching site and emissive power according to the three-dimensional field intensity distributed model of this launching site.
Fig. 5 shows the generation system of the electromagnetic field three-dimensional model that the embodiment of the invention provides and the structure of launching site positioning system, only show the part relevant for convenience of explanation with the embodiment of the invention, the generation system 1 and the launching site positioning system 2 of this three-dimensional model is built in software unit, hardware cell or the software and hardware unit of equipment, wherein, this equipment comprises and moves field intensity sense terminals and server.
In embodiments of the present invention, the generation system 1 of this electromagnetic field three-dimensional model comprises signal parameter information acquisition process module 11, database 12, three-dimensional field intensity distributed model drafting generation module 13 and electronic map database 14.
Signal parameter information acquisition process module 11 places mobile field intensity sense terminals, handle the signal parameter information that check point obtains, and the signal parameter information after will handling sends to server; Database 12 places server, and the storage signal parameter information obtains the signal parameter information that processing module 11 sends; Three-dimensional field intensity distributed model is drawn generation module 13 and is placed server to draw according to described signal parameter information and the actual landform information of drafting the signal coverage areas scope to generate three-dimensional field intensity distributed model; Wherein, electronic map database 14 provides the actual landform information of the virtual signal coverage areas scope of drafting.
As another embodiment of the present invention, place the signal parameter information acquisition process module 11 of mobile field intensity sense terminals to comprise signal parameter information acquisition module 111, signal parameter message processing module 112 and information sending module 113 again, wherein:
Signal parameter information acquisition module 111 obtains this check point signal parameter information according to GPS information; The signal parameter information of the check point that 112 pairs of signal parameter information of signal parameter message processing module acquisition module gets access to is carried out data processing; Then information sending module 113 sends the signal parameter information after the signal parameter message processing module is handled.
As another embodiment of the present invention, three-dimensional field intensity distributed model is drawn generation module 13 and is comprised drafting module 131, data fields generation module 132 and three-dimensional field intensity distributed model generation module 133 again, wherein:
Signal parameter information that drafting module 131 receives according to database 12 and the actual landform information of drafting the signal coverage areas scope are drawn field intensity isoline and contour surface; Data fields generation module 132 generates 3 d data field according to isoline and contour surface; 133 pairs of 3 d data fields of three-dimensional field intensity distributed model generation module carry out volume drawing and generate three-dimensional field intensity distributed model.
In embodiments of the present invention, the positioning system 2 of launching site comprises the three-dimensional field intensity distributed model generation module 22 and the launching site locating module 23 of corrected parameter computing module 21, virtual launching site, wherein:
Corrected parameter computing module 21 is according to the corrected parameter of three-dimensional field intensity distributed model analytical calculation landform to field strength distribution; The three-dimensional field intensity distributed model generation module 22 of virtual launching site generates the three-dimensional field intensity distributed model of virtual launching site to the corrected parameter of field strength distribution according to the landform of analytical calculation; Launching site locating module 23 is according to the new signal launching site in three-dimensional field intensity distributed model location of the virtual launching site that generates.
In embodiments of the present invention, by setting up the three-dimensional field intensity distributed model of wireless transmit point under the actual landform condition, accurately the signal strength of reflection transmitting station distributes; Simultaneously, on electronic chart, the field intensity coverage condition of the virtual launching site of accurate Calculation, the virtual optimum signal launching site of orienting in this drafts coverage, thereby shorten the launching site engineering design cycle, reduce debugging, test and checking link cost, improve the coverage effect of launching site.
The above only is preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of being done within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (11)
1, a kind of generation method of electromagnetic field three-dimensional model is characterized in that, described method comprises the steps:
Handle the signal parameter information that check point obtains;
Draw to generate three-dimensional field intensity distributed model according to described signal parameter information and the terrain information of drafting the signal coverage areas scope.
2, the generation method of electromagnetic field three-dimensional model as claimed in claim 1 is characterized in that, field intensity information that described signal parameter information is the check point locus and gps data information.
3, the generation method of electromagnetic field three-dimensional model as claimed in claim 1 is characterized in that, the step of the signal parameter information that described processing check point obtains is specially:
According to GPS information, obtain this check point signal parameter information;
Signal parameter information to the check point that gets access to is carried out data processing;
Signal parameter information after the described processing is sent to server by GPRS.
4, the generation method of electromagnetic field three-dimensional model as claimed in claim 1 is characterized in that, the described step that draw to generate three-dimensional field intensity distributed model according to described signal parameter information and the terrain information of drafting the signal coverage areas scope is specially:
Draw field intensity isoline and contour surface according to described signal parameter information and the actual landform information of drafting the signal coverage areas scope;
Generate the field intensity data fields according to described isoline and contour surface;
Described field intensity data fields is drawn the three-dimensional field intensity distributed model of generation.
5, a kind of localization method of launching site is characterized in that, described method comprises the steps:
According to the corrected parameter of three-dimensional field intensity distributed model analytical calculation landform to field strength distribution;
According to the corrected parameter of described landform, generate the three-dimensional field intensity distributed model of virtual launching site to field strength distribution;
The new signal launching site in three-dimensional field intensity distributed model location according to described virtual launching site.
6, a kind of generation system of electromagnetic field three-dimensional model is characterized in that, described system comprises:
Signal parameter information acquisition process module is used to handle the signal parameter information that check point obtains;
Database is used to store described signal parameter information;
Electronic map database is used to provide terrain information; And
Three-dimensional field intensity distributed model is drawn generation module, is used for drawing according to described signal parameter information and the terrain information of drafting the signal coverage areas scope generating three-dimensional field intensity distributed model.
7, the generation system of electromagnetic field three-dimensional model as claimed in claim 6 is characterized in that, field intensity information that described signal parameter information is the check point locus and gps data information.
8, the generation system of electromagnetic field three-dimensional model as claimed in claim 6 is characterized in that, described signal parameter information acquisition process module further comprises:
Signal parameter information acquisition module is used for the information according to GPS, obtains this check point signal parameter information;
The signal parameter message processing module is used for the signal parameter information of the check point that gets access to is carried out data processing; And
Information sending module is used to send the signal parameter information after the described processing.
9, the generation system of electromagnetic field three-dimensional model as claimed in claim 6 is characterized in that, described three-dimensional field intensity distributed model is drawn generation module and further comprised:
Drafting module is used for drawing field intensity isoline and contour surface according to described signal parameter information and the actual landform information of drafting the signal coverage areas scope;
The data fields generation module is used for generating the field intensity data fields according to described isoline and contour surface; And
Three-dimensional field intensity distributed model generation module is used for that described 3 d data field is carried out volume drawing and generates three-dimensional field intensity distributed model.
10, a kind of positioning system of launching site is characterized in that, described system comprises:
The corrected parameter computing module is used for according to the corrected parameter of three-dimensional field intensity distributed model analytical calculation landform to field strength distribution;
The three-dimensional field intensity distributed model generation module of virtual launching site is used for according to the corrected parameter of described landform to field strength distribution, generates the three-dimensional field intensity distributed model of virtual launching site; And
The launching site locating module is used for the new signal launching site in three-dimensional field intensity distributed model location according to described virtual launching site.
11, a kind of equipment is characterized in that, described equipment comprises mobile field intensity sense terminals and server;
Described mobile field intensity sense terminals is handled the signal parameter information of check point, and the signal parameter information after the described processing is sent to server;
Described server is drawn on electronic chart according to described signal parameter information and is generated three-dimensional field intensity distributed model, and generates the three-dimensional field intensity distributed model of virtual launching site according to described three-dimensional field intensity distributed model, locatees new signal launching site.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100752164A CN101349718A (en) | 2007-07-20 | 2007-07-20 | Method, system and apparatus for generating electromagnetic field three-dimensional model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100752164A CN101349718A (en) | 2007-07-20 | 2007-07-20 | Method, system and apparatus for generating electromagnetic field three-dimensional model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101349718A true CN101349718A (en) | 2009-01-21 |
Family
ID=40268578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100752164A Pending CN101349718A (en) | 2007-07-20 | 2007-07-20 | Method, system and apparatus for generating electromagnetic field three-dimensional model |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101349718A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983862A (en) * | 2014-04-11 | 2014-08-13 | 中国石油化工股份有限公司 | Thunder early warning method based on wireless transmission and mobile internet honeycomb structure detector |
| CN104111383A (en) * | 2014-06-16 | 2014-10-22 | 国家电网公司 | Three-dimensional field intensity detector and method with range finding function |
| CN104764937A (en) * | 2015-03-24 | 2015-07-08 | 中国人民解放军63892部队 | Electromagnetic environment complexity quick mesh generation and display method |
| CN105676173A (en) * | 2016-01-14 | 2016-06-15 | 广州市万联信息科技有限公司 | Indoor positioning system and indoor positioning method |
| CN107655481A (en) * | 2017-09-21 | 2018-02-02 | 广东工业大学 | A kind of air navigation aid based on Qcell, device and computer-readable recording medium |
| CN108134815A (en) * | 2017-11-27 | 2018-06-08 | 国网北京市电力公司 | For the control method of electromagnetic field map denotation, device and server |
| CN109460854A (en) * | 2018-09-29 | 2019-03-12 | 北京小米移动软件有限公司 | Information processing method, equipment and storage medium |
| CN111562446A (en) * | 2020-06-23 | 2020-08-21 | 黑龙江科技大学 | Electromagnetic field test processing method |
| CN111818555A (en) * | 2017-06-30 | 2020-10-23 | 北京德辰科技股份有限公司 | Radio monitoring station coverage area evaluation and analysis method based on virtual station building |
| CN113466571A (en) * | 2021-09-06 | 2021-10-01 | 中国人民解放军国防科技大学 | Method and system for constructing electromagnetic map |
| CN116953356A (en) * | 2023-09-20 | 2023-10-27 | 南京纳特通信电子有限公司 | Ground-air integrated three-dimensional space radio frequency spectrum monitoring method and system |
-
2007
- 2007-07-20 CN CNA2007100752164A patent/CN101349718A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983862A (en) * | 2014-04-11 | 2014-08-13 | 中国石油化工股份有限公司 | Thunder early warning method based on wireless transmission and mobile internet honeycomb structure detector |
| CN104111383A (en) * | 2014-06-16 | 2014-10-22 | 国家电网公司 | Three-dimensional field intensity detector and method with range finding function |
| CN104764937A (en) * | 2015-03-24 | 2015-07-08 | 中国人民解放军63892部队 | Electromagnetic environment complexity quick mesh generation and display method |
| CN105676173A (en) * | 2016-01-14 | 2016-06-15 | 广州市万联信息科技有限公司 | Indoor positioning system and indoor positioning method |
| CN105676173B (en) * | 2016-01-14 | 2018-05-15 | 广州市万联信息科技有限公司 | Indoor locating system and indoor orientation method |
| CN111818555B (en) * | 2017-06-30 | 2022-03-22 | 北京德辰科技股份有限公司 | Radio monitoring station coverage area evaluation and analysis method based on virtual station building |
| CN111818555A (en) * | 2017-06-30 | 2020-10-23 | 北京德辰科技股份有限公司 | Radio monitoring station coverage area evaluation and analysis method based on virtual station building |
| CN107655481A (en) * | 2017-09-21 | 2018-02-02 | 广东工业大学 | A kind of air navigation aid based on Qcell, device and computer-readable recording medium |
| CN108134815A (en) * | 2017-11-27 | 2018-06-08 | 国网北京市电力公司 | For the control method of electromagnetic field map denotation, device and server |
| CN108134815B (en) * | 2017-11-27 | 2021-03-16 | 国网北京市电力公司 | Control method and device for electromagnetic field map display and server |
| CN109460854A (en) * | 2018-09-29 | 2019-03-12 | 北京小米移动软件有限公司 | Information processing method, equipment and storage medium |
| CN111562446A (en) * | 2020-06-23 | 2020-08-21 | 黑龙江科技大学 | Electromagnetic field test processing method |
| CN113466571B (en) * | 2021-09-06 | 2022-02-22 | 中国人民解放军国防科技大学 | Method and system for constructing electromagnetic map |
| CN113466571A (en) * | 2021-09-06 | 2021-10-01 | 中国人民解放军国防科技大学 | Method and system for constructing electromagnetic map |
| CN116953356A (en) * | 2023-09-20 | 2023-10-27 | 南京纳特通信电子有限公司 | Ground-air integrated three-dimensional space radio frequency spectrum monitoring method and system |
| CN116953356B (en) * | 2023-09-20 | 2023-12-26 | 南京纳特通信电子有限公司 | Ground-air integrated three-dimensional space radio frequency spectrum monitoring method and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101349718A (en) | Method, system and apparatus for generating electromagnetic field three-dimensional model | |
| CN102291817B (en) | Group positioning method based on location measurement sample in mobile communication network | |
| US7945939B2 (en) | Method and system for analyzing cable television signal leak information | |
| CN104820759A (en) | Data acquisition method and system of pipeline facility | |
| CN105474031A (en) | 3D sectorized path-loss models for 3D positioning of mobile terminals | |
| CN102395200A (en) | Node positioning method in wireless sensor network and apparatus thereof | |
| US7548201B2 (en) | Method and system for automatically analyzing and modifying cable television signal leak information | |
| CA2715798C (en) | A method and system for testing the wireless signal propagation model of the cellular network | |
| CN105891866A (en) | Positioning method and device and electronic equipment | |
| CN102573053A (en) | System and method for realizing hybrid positioning on cloud server | |
| CN109253660A (en) | A kind of bullet landing point coordinates acoustic shock wave detection system and detection method | |
| CN102915632A (en) | Meter reading data processing method, device and system | |
| CN105517149A (en) | Positioning method and system based on RSSI (Received Signal Strength Indicator) and Zigbee technology | |
| CN101141683B (en) | System and method for implementing landmark collection of geographic information system using mobile phone | |
| CN105992337A (en) | Pseudo base station positioning method and apparatus | |
| CN102036374B (en) | Method and device for positioning mobile terminal through single base station | |
| CN104883735A (en) | Accurate position judging method based on mobile internet | |
| CN104613981A (en) | Inertial-navigation dynamic directional precision testing system | |
| CN204613941U (en) | The data acquisition system (DAS) of pipeline facility | |
| CN107607677A (en) | Industrial area carbon emission detecting system and method | |
| CN113873431A (en) | Building network quality presentation method and device | |
| CN105898778B (en) | A kind of communication blind district confirmation method, communication blind district confirm device | |
| CN113316160B (en) | MR-based operation and maintenance method, system and storage medium for base station equipment | |
| CN112950005B (en) | Shared iron tower site selection method, system, site selection device and readable storage medium | |
| KR101318369B1 (en) | Method and apparatus for collecting information of access point for indoor position measurement using access point |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| AD01 | Patent right deemed abandoned |
Effective date of abandoning: 20090121 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |