CN101464911B - Customizable countryside information acquisition system and method thereof - Google Patents
Customizable countryside information acquisition system and method thereof Download PDFInfo
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Abstract
The invention discloses a customizable collecting system for field information and an implementation method thereof. The system is integrated by a GPS, a GIS and a portable device, and comprises a collected topic management module, an information collecting port setting module, an information collecting module and an information transmitting and switching module; meanwhile, the structure organizing method of the system is organized on the basis of three layers: a collected topic set, collecting topics and collected topic features, wherein, the collected topic features comprises space class features and attribute features; and the attribute features comprise general attribute features and input mode features. The invention ensures that custom management can be flexibly performed on the collected topic; the information can be input conveniently and accurately when collecting is performed in field; and spatial information collection and attribute information collection for any geographic objects in points, lines and planes and attribute information collection for non-geography objects are achieved through customization.
Description
Technical field
The present invention relates to a kind of implementation method of information acquisition system, specifically, relate to the technical method of a kind of customizable field information acquisition system and realization.
Background technology
Has the advantage of obtaining high precision position information quickly and easily for the global satellite positioning of representative with GPS (Global Position System, GPS) and GLONASS (Global Navigation Satellite System GLONASS (Global Navigation Satellite System)).At present, (English name is Differential GPS to differential position system, be abbreviated as DGPS) bearing accuracy can reach the sub-meter grade level, real time dynamic differential (Real Time Kinematics, be abbreviated as RTK) technology can obtain the bearing accuracy of centimetre-sized in the open air in real time, particularly U.S. government's cancellation gps data precision is selected policy for use, and the user among the people of GPS can make bearing accuracy improve 10 times.Global satellite positioning is applied at aspects such as control survey, open-air location and control navigation, and wherein, the positioning function of field information acquisition is that the one item is used the most widely.
At present, a large amount of manufacturers have developed the field information acquisition system based on GPS on the mobile devices such as running on PDA(Personal Digital Assistant), these systems are at specific special topic exploitation basically, the attribute item information of gathering special topic immobilizes, even if some system can increase the attribute item of gathering special topic, but when information acquisition, the attribute item of increase can only be realized importing and can not pass through simple the selection by handwriting input.For the inconvenient portable set of input, increased the field work amount, increase information input error probability.
In addition, if gather another kind of thematic data, then need development system again, system reuse is poor, in the time of gathering some thematic datas simultaneously, then several acquisition systems, troublesome poeration need be installed on equipment.In actual applications, the special topic of gathering is many, and need to gather simultaneously, it is many to relate to industry such as agricultural resource information, nearly tens of special topics, this can customize the acquisition system of gathering special topic for exploitation is a kind of and propose requirement, but the system that customization is at present come out, can only be when information acquisition by handwriting input.Therefore can not satisfy the demand equally.
Summary of the invention
In order to overcome the deficiency of present portable field information acquisition system customization difficulty and collection input information inconvenience, the purpose of this invention is to provide a kind of flexibly customized field information acquisition system.
This invention has mainly solved two problems of field acquisition system: the one, and system's flexible customization can flexible customization be gathered special topic, and can be gathered some thematic informations simultaneously in same system; The 2nd, the information input when gathering of the special topic of customization is convenient and swift, and as can drop-downly selecting for classification information, the information of date class can be selected input by the calendar mode.
The present invention is achieved through the following technical solutions:
A kind of customizable field information acquisition system comprises:
Information acquisition special topic administration module, comprise being used for reading and gather thematic set metadata information and gather the thematic administration module of collection of special topic, and be used to customize the thematic customized module of the collection of gathering topic space classification and attribute item feature to collection special topic set interpolation, deletion and modification;
The information acquisition port is provided with module, is used to realize the port setting that is connected with GPS or other sensor, and GPS and other sensor acquisition to information transmission in information acquisition module;
Information acquisition module is used for the collection special topic according to the generation of information acquisition special topic administration module, realizes the collection input of gathering the spatial information and the attribute information of special topic to chosen;
Information transmission and Switching Module are used to be implemented between acquisition system and the external information system collection result transmission of Information and exchange to information acquisition module.
Described customizable field information acquisition system is integrated in and contains the GPS receiver in the portable set of one, and the GPS receiver can be any among bluetooth GPS, shell on the back formula GPS or the CF cassette GPS.
Described information acquisition module also comprises:
The spatial information acquisition module is used for providing corresponding spatial information acquisition interface according to the thematic type of being gathered special topic of gathering special topic set metadata information;
The attribute information acquisition module is used for gathering the input mode of the attribute item of being gathered special topic of metadata information provides corresponding input mode for the user input frame according to gathering special topic.
A kind of computer based is gathered thematic custom-built system, comprising:
Gather special topic set administration module, comprise and be used to create the collection special topic set creation module of not being with the collection special topic set of gathering special topic, be used for to the collection special topic maintenance module that the thematic set of collection is added or the deletion collection is thematic, and the thematic metadata information importing of the collection module that is used for importing from application system database the metadata information of the tables of data that will gather special topic;
Gather thematic customized module, be used to realize customization, comprise the customization of spaces category feature and attribute item feature the thematic structure of single collection.
A kind of acquisition method of field information acquisition special topic may further comprise the steps:
S1: at first gather one of thematic custom-built system customization and gather the special topic set, form the metadata information of gathering the special topic set by aforesaid computer based;
S2: will gather special topic set metadata information then and import in the aforesaid customizable field information acquisition system, can utilize the thematic administration module of collection that the chosen collection special topic of gathering in the special topic set is added once more, deletes and revises as required, and can utilize collection special topic customized module wherein to update gathering the thematic structure that customizes;
S3: before gathering, the GPS communication port is set, the attribute information of gathering by the serial ports input mode is arranged, also need to be provided with the port of the sensor that is connected with the described attribute item of gathering special topic if gathered special topic;
S4: carry out information acquisition then, information acquisition module in the field information acquisition system determines that by reading the thematic type of gathering in the special topic set metadata information spatial information is single-point or coordinate string, or there is not spatial information, the special topic of information if having living space, then gather input space information earlier, otherwise directly gather input attributes information, and pass through the geographical location information of GPS acquisition target;
S5: the mode of passing through radio communication at last realizes the renewal of application system data with the topic space information of collection and the computer application system outside the attribute information transmission acquisition system.
Described step S1 comprises further: the collection special topic that utilizes computer based to gather thematic custom-built system is gathered administration module and add one or several collection special topics that will gather in being gathered the special topic set, further utilize and gather thematic customized module, each topic space classification and attribute item feature are defined the final metadata information of gathering the special topic set that forms.
Described step S4 comprises further: provide corresponding spatial information acquisition interface by the spatial information acquisition module, according to the collection single-point coordinate interface that provides, gather the point-like geographic object,, gather line and planar geographic object according to the coordinate acquisition string interface that provides; When gathering sheerly the property special topic, acquisition module directly enters into the attribute information acquisition module, and the attribute information acquisition module provides the inputting interface of attribute information input mode, according to the attribute information of the inputting interface input acquisition target that provides.
Among the described step S4 in the information acquisition process, the field information acquisition system by numerical value, general text, simply enumerate selections, interlock and enumerate selection, calendar selection, select File, serial ports and import the attribute information that seven kinds of modes are imported acquisition target.
The invention has the advantages that and the flexible customization management to gather special topic, and in the open air can quick and convenient input information exactly during collection in worksite, can realize the spatial information of any point, line or planar geographic object and the collection of attribute information by customization, also can be used to gather the sheerly thematic information of property, system multiplexing height.This invention goes for the field information acquisition of every profession and trade, and use cost is not high, should have good market outlook.
Description of drawings
Fig. 1 is a customizable field information acquisition system organization structural drawing of the present invention;
Fig. 2 is the functional structure chart of customizable field information acquisition of the present invention system;
The functional structure that Fig. 3 gathers thematic custom-built system for computer based of the present invention;
Fig. 4 is the acquisition method process flow diagram of field information acquisition special topic of the present invention;
Fig. 5 is the synoptic diagram of the field information acquisition system of embodiments of the invention 1.
Embodiment
Following examples are used to illustrate the present invention, but are not used for limiting the scope of the invention.
Fig. 1 is customizable field information acquisition institutional framework mode figure.As can be seen from Figure 1 this mode is based on field information acquisition special topic set, gathers three levels such as special topic and thematic attribute item and organize, and it is thematic that acquisition system can customize and manage infinite a plurality of collections in principle; Gather special topic and be divided into spaces category feature and attribute item feature, collection special topic type in the collection special topic customization maintenance module of acquisition system is used for input space category feature, is used to import the attribute item feature of gathering special topic and gather thematic attribute mark structure list.Spaces category is divided into point, line, surface and property four classes sheerly, point, line, surface class special topic is respectively applied for the spatial positional information of collection point to the sequence geographic coordinate type of geographic coordinate, the sequence geographic coordinate that does not seal, sealing, and sheerly the property special topic is used to gather the general property special topic of not being with geographic coordinate information; Each special topic is made of several thematic attribute items, and attribute item feature is made of the general features and the input mode feature of attribute item.
As shown in Figure 2, be a kind of customizable field information acquisition system, this system comprise gather thematic administration module, the information acquisition port is provided with module, information acquisition module and information transmission and Switching Module.
Wherein, the thematic administration module of information acquisition is realized gathering the maintenance of the single special topic in special topic set and the set, comprises the management of collection special topic and two modules of single collection special topic customization.Can import computer based and gather the collection special topic set metadata information that thematic custom-built system generates by gathering thematic administration module, automatically generate and have several collection of gathering special topic special topic set, also can newly create and not be with the collection special topic set of gathering special topic, after creating the set of collection special topic, can in the set of collection special topic, add or deletion collection special topic by gathering thematic administration module.Gather the customization of thematic customized module realization to the thematic structure of single collection, promptly from gather the special topic set, select one to gather special topic, its spaces category feature and attribute item feature are defined, comprise the spaces category feature of determining special topic by the selection of the special topic of the collection in module type, by several attribute item features of the special topic of the collection in module attribute structure tabulation input.In attribute item characterizing definition, can add, delete or revise thematic attribute item feature, need the input field title during each attribute item definition, the field another name, field type, length, decimal digits, the attribute of define field in the general database tables such as codomain scope, also to select the input mode (promptly gathering " type " item in the thematic attribute structure tabulation) of attribute item, the input mode of attribute item refers to when Information Monitoring and by what mode object properties information is input in the system, and the present invention is divided into input mode: numerical value, general text, simply enumerate selection, selection is enumerated in interlock, calendar is selected, select File, seven kinds of modes such as serial ports input.
The information acquisition port is provided with module, mainly realizes the port setting of GPS, if gathered the attribute information that has serial communication type input mode to gather in the special topic, also is used for the sensor port setting that is connected with this attribute item;
Information acquisition module is used to realize chosen collection of gathering thematic spatial information and attribute information is imported.Spatial information acquisition module in the information acquisition module will provide corresponding spatial information acquisition interface according to the thematic type of being gathered special topic of gathering in the special topic set metadata information, when gathering the point-like geographic object, provide and gather single-point coordinate interface, when gathering line and planar geographic object, coordinate acquisition string interface is provided, and passes through the geographical location information of GPS acquisition target.Gather when sheerly property is thematic, acquisition module will directly enter into the attribute information acquisition module.When the cursor focus in the attribute information acquisition interface enters the property value input field of the attribute item that will gather, system will provide the input frame of corresponding input mode according to the input mode of gathering the attribute item of being gathered special topic in the special topic set metadata information for the user.Numerical value and general text are the text input frame, by handwriting input; Simply enumerate selection type and select input by enumerating drop-down selection input frame; It is drop-down selection input frame that selection type is enumerated in interlock, will list the options of this attribute item according to the selected property value of father's enumerated attributes item in drop-down selection input frame; The calendar selection type is selected input by calendar choice box mode; The select File type is imported by the dialog box mode of selecting to open file; Serial ports is imported directly to read information by the serial communication port that is provided with.
Information transmission and Switching Module are used to realize the collection result transmission of Information and the exchange of the information acquisition module between acquisition system and the external information system.
Field information acquisition of the present invention system operates in integrated GPS receiver in the portable sets such as PDA of one, the GPS receiver can be any among bluetooth GPS, shell on the back formula GPS or the CF cassette GPS, and wherein the GPS receiver is used to gather the geographical location information of geographic object.After data acquisition is finished, can be connected to and derive the data file of gathering on the desktop computer by the data sync mode, or directly read the data file of collection, and the data of gathering are directly imported to by the data exchange module in the concrete application system according to the collection special topic metamessage of definition and to realize in the database that application system database upgrades by card reader.
Create the set of collection special topic by gathering thematic customized module, thematic information is gathered in definition, and preserves the metadata information of collection special topic set in the mode of ordinary file, XML and database.Customized module can add a new special topic of gathering to the set of collection special topic, deletes a special topic or revise the attribute item of gathering special topic from gather the special topic set, as interpolation, modification and delete property item.The system customization maintenance module exists in two ways: one is included in the collection special topic administration module in the customizable field acquisition system, can make things convenient in the open air collection site to customize and revise and gather special topic; The 2nd, the computer based that is independent of acquisition system is gathered thematic custom-built system, and its structure as shown in Figure 3.
As shown in Figure 3, a kind of computer based collection special topic custom-built system is independent of portable field information acquisition system, realization is to gathering the maintenance of the single special topic in special topic set and the set, comprise and gather thematic aggregate and single collection special topic customization two modules, major advantage is than portable set input more convenient and quicker, has higher customization efficient.
Gather special topic set administration module and realize creating with the collection special topic set of gathering special topic, tie up to create gather the special topic set after, can thematic maintenance module adds in gathering the special topic set or special topic is gathered in deletion by gathering.An important submodule in this module is to gather thematic metadata information to import module, gathering thematic metadata information importing module mainly is to generate one or several collection special topics by reading in the application system database automatically with the metadata information (comprising metadata such as table name, field name, field another name, field type) of being gathered the corresponding tables of data of special topic, and add to and gather the special topic set, so further raising special topic customization efficient and accuracy.
Gather the customization of thematic customized module realization to the thematic structure of single collection, function is with the corresponding module of gathering in the acquisition system in the thematic administration module.
Collection special topic set by this system customization can be preserved the metadata information of gathering the special topic set in the mode of ordinary file, XML and database, the portable set that exports to the acquisition system place can use for the field data collection, reaches the loaded down with trivial details property of convenient special topic customization or the customization of reduction special topic like this.
Fig. 4 is the acquisition method realization flow figure of information acquisition system.At first gather thematic custom-built system and create the set of a collection special topic by computer based, and can utilize and gather thematic administration module one or several collection special topics that interpolation will be gathered in gathering the special topic set of gathering, further can utilize thematic customized module, each topic space classification and attribute item feature are defined the final metadata information of gathering the special topic set that forms.
To gather special topic set metadata information then passes in the customizable field information acquisition system in the portable set that is integrated with GPS, in customizable field information acquisition system, can utilize as required and gather special topic set administration module the chosen collection special topic of gathering in the special topic set is added once more, deletes, and can utilize collection special topic customized module wherein that the structure of gathering the special topic customization is redefined, such as adding an attribute item, revise the definition of an attribute item;
Before gathering, the GPS communication port is set, if gathered special topic the attribute information of gathering by the serial ports input mode is arranged, also need being provided with port that this attribute item is connected sensor.
The special topic of selecting to gather in the collection special topic tabulation of information acquisition module carries out information acquisition then.The spatial information acquisition module will provide corresponding spatial information acquisition interface according to the thematic type of being gathered special topic in this collection special topic set metadata information, when gathering the point-like geographic object, provide and gather single-point coordinate interface, the collection personnel directly click the spatial information that coordinate acquisition can collect current location by GPS in the position of point-like geographic object; When gathering line and planar geographic object, provide coordinate acquisition string interface, the user clicks the geographical location information that coordinate acquisition can collect current object by GPS at the vertex position of face or line geographic object successively.When gathering sheerly the property special topic, acquisition module will directly enter into the attribute information acquisition module.When the cursor focus in the attribute information acquisition interface enters the property value input field of the attribute item that will gather, system will provide the input frame of corresponding input mode according to the input mode of gathering the attribute item of being gathered special topic in the special topic set metadata information for the user.When input mode was numerical value and general text, the user was by text input frame handwriting input attribute information; When input mode when simply enumerating selection type, the user is by enumerating drop-down selection respective selection input attributes information; When input mode is enumerated selection type for interlock, the user is by enumerating drop-down selection respective selection input attributes information, and the content in this drop-down selection input frame will be listed the options of this attribute item according to the selected property value of father's enumerated attributes item in drop-down selection input frame; When input mode was the calendar selection type, the user selected corresponding date and time input attributes information by calendar; When input mode was the select File type, the dialog box that user by selecting opens file was selected corresponding file; When input mode is serial ports when imported, system will directly read information by the serial communication port that is provided with.
Mode that at last can be by radio communication or general data interchange file transmits the object information of gathering in the computer application system outside the acquisition system, realizes the renewal of computer application system database.
Embodiment 1
Now the invention will be further described in conjunction with example, supposes to customize the information acquisition special topic of an industrialized agriculture resource distribution, and realize the collection of industrialized agriculture resource information.
At first, create a special topic set that is used for the agricultural resource information acquisition, and carry out the customization of industrialized agriculture resource special topic.Industrialized agriculture resource special topic is planar special topic, and thematic attribute item comprises nine of small towns, place, place village, type of facility, support body type, protected crop classification, facility length, facility width, facility floor area, Facilities Construction times etc.In the collection special topic administration module of acquisition system, customize, shown in Fig. 5-B interface, input " industrialized agriculture " in gathering thematic name text frame, select in the drop-down selective listing in gathering thematic type in " face ", the expression industrialized agriculture is planar special topic, and then gather in the tabulation of thematic attribute structure, the following definition of foundation customizes one by one and preserves and gets final product.Each attribute item comprises following define field title, field another name, field type, length, decimal digits, codomain scope, information input mode, and above-mentioned attribute item can carry out as giving a definition:
Small towns, place (SZ_XZ, small towns, place, text, 10, Null, yellow villages and small towns-Yu Fa town-stable town-Wei Shanzhuan town, simply enumerate selection) supposes that here this area comprises yellow villages and small towns, Yu Fa town, stabilizes four towns such as town, Wei Shanzhuan town;
(selection-SZ_XZ) is enumerated in all villages, the interlock in SZ_XZC, place village, text, 20, Null, certain town in the place village, " selection-SZ_XZ is enumerated in interlock " expression links with here codomain and small towns, place, comprise three villages such as Shang Huang village, Xia Huang village, Huang Zhuan village as yellow villages and small towns, the Yu Fa town comprises Hei Fa village, two villages, wolf upturned soil village, then when yellow villages and small towns are selected in the small towns, place, codomain herein is Shang Huang village-Xia Huang village-Huang Zhuan village, when selecting the Yu Fa town, codomain herein is Hei Fa village-wolf upturned soil village;
Type of facility (SS_LB, type of facility, text, 10, Null, booth-single-ridgepole glasshouse-attached-greenhouse, simply enumerate selection);
Body of wall type (QT_LX, body of wall type, text, 10, Null, brick wall-cob wall-no wall, simply enumerate selection);
Protected crop classification (SS_ZWLB, protected crop classification, text, 10, Null, melon-dish-melon dish crop rotation-fruit tree-flowers-edible fungi, simply enumerate selection);
Facility length (SS_CD, facility length, single precision, Null, 1,1-200, numerical value input);
Facility width (SS_KD, facility width, single precision, Null, 1,1-50, numerical value input);
Floor area (ZD_MJ, facility floor area, single precision, Null, 1, NULL, numerical value input);
Building time (JS_SJ, building time, date, Null, Null,＜CurrentDate, calendar select).
The GPS port then is set, in gathering the special topic tabulation, select " industrialized agriculture " special topic (as Fig. 5-A), during collection, at first according to the planar thematic characteristics of industrialized agriculture resource special topic, gather the coordinate string of the planar object of industrialized agriculture resource, carry out the information input of object properties item after the end.
At last, pass in the desk-top computer, and utilize the data update module of application system to upgrade the database of application system by data sync or card reader industrialized agriculture resource information data file (.tdt file) with above-mentioned collection.
Claims (8)
1. a customizable field information acquisition system is characterized in that, comprising:
Information acquisition special topic administration module, comprise being used for reading and gather thematic set metadata information and gather the thematic administration module of collection of special topic, and be used to customize the thematic customized module of the collection of gathering topic space classification and attribute item feature to collection special topic set interpolation, deletion and modification;
The information acquisition port is provided with module, is used to realize the port setting that is connected with GPS or other sensor, and GPS and other sensor acquisition to information transmission in information acquisition module;
Information acquisition module is used for the collection special topic according to the generation of information acquisition special topic administration module, realizes the collection input of gathering the spatial information and the attribute information of special topic to chosen;
Information transmission and Switching Module are used to be implemented between acquisition system and the external information system collection result transmission of Information and exchange to information acquisition module.
2. customizable field information acquisition according to claim 1 system, it is characterized in that, described acquisition system is integrated in and contains the GPS receiver in the portable set of one, and the GPS receiver can be any among bluetooth GPS, shell on the back formula GPS or the CF cassette GPS.
3. customizable field information acquisition according to claim 1 system is characterized in that described information acquisition module also comprises:
The spatial information acquisition module is used for providing corresponding spatial information acquisition interface according to the thematic type of being gathered special topic of gathering special topic set metadata information;
The attribute information acquisition module is used for gathering the input mode of the attribute item of being gathered special topic of metadata information provides corresponding input mode for the user input frame according to gathering special topic.
4. a computer based is gathered thematic custom-built system, it is characterized in that, comprising:
Gather special topic set administration module, comprise and be used to create the collection special topic set creation module of not being with the collection special topic set of gathering special topic, be used for to the collection special topic maintenance module that the thematic set of collection is added or the deletion collection is thematic, and the thematic metadata information importing of the collection module that is used for importing from application system database the metadata information of the tables of data that will gather special topic;
Gather thematic customized module, be used to realize customization, comprise the customization of spaces category feature and attribute item feature the thematic structure of single collection.
5. the acquisition method of a field information acquisition special topic is characterized in that, may further comprise the steps:
S1: at first gather one of thematic custom-built system customization and gather the special topic set, form the metadata information of gathering the special topic set by computer based as claimed in claim 4;
S2: will gather special topic set metadata information then and import in the customizable field information acquisition as claimed in claim 1 system, can utilize the thematic administration module of collection that the chosen collection special topic of gathering in the special topic set is added once more, deletes and revises as required, and can utilize collection special topic customized module wherein to update gathering the thematic structure that customizes;
S3: before gathering, the GPS communication port is set, the attribute information of gathering by the serial ports input mode is arranged, also need to be provided with the port of the sensor that is connected with the described attribute item of gathering special topic if gathered special topic;
S4: carry out information acquisition then, information acquisition module in the field information acquisition system determines that by reading the thematic type of being gathered special topic of gathering in the special topic set metadata information spatial information is single-point or coordinate string, or there is not spatial information, the special topic of information if having living space, then gather input space information earlier, otherwise directly gather input attributes information, and pass through the geographical location information of GPS acquisition target;
S5: the mode of passing through radio communication at last realizes the renewal of application system data with the topic space information of collection and the computer application system outside the attribute information transmission acquisition system.
6. the acquisition method of field information acquisition special topic according to claim 5, it is characterized in that, described step S1 comprises further: the collection special topic that utilizes computer based to gather thematic custom-built system is gathered administration module and add one or several collection special topics that will gather in being gathered the special topic set, further utilize and gather thematic customized module, each topic space classification and attribute item feature are defined the final metadata information of gathering the special topic set that forms.
7. the acquisition method of field information acquisition special topic according to claim 5, it is characterized in that, described step S4 comprises further: provide corresponding spatial information acquisition interface by the spatial information acquisition module, according to the collection single-point coordinate interface that provides, gather the point-like geographic object, according to the coordinate acquisition string interface that provides, gather line and planar geographic object; When gathering sheerly the property special topic, acquisition module directly enters into the attribute information acquisition module, and the attribute information acquisition module provides the inputting interface of attribute information input mode, according to the attribute information of the inputting interface input acquisition target that provides.
8. the acquisition method of field information acquisition special topic according to claim 7, it is characterized in that, among the described step S4 in the information acquisition process, the field information acquisition system by numerical value, general text, simply enumerate selections, interlock and enumerate selection, calendar selection, select File, serial ports and import the attribute information that seven kinds of modes are imported acquisition target.
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| CN103823909A (en) * | 2014-02-25 | 2014-05-28 | 北京农业信息技术研究中心 | Field information acquisition system and method |
| CN105376790B (en) * | 2015-11-26 | 2018-11-09 | 国网新疆电力公司信息通信公司 | Device and its application method are assisted in the acquisition of outdoor communication facility maintenance data |
| CN106911771A (en) * | 2017-02-20 | 2017-06-30 | 桂林理工大学 | One kind measurement control point description of station digital collection method |
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| 孟志军，赵春江，王秀，陈立平，薛绪掌.基于GPS的农田多源信息采集系统的研究和开发.农业工程学报19 4.2003,19(4),全文. |
| 孟志军,赵春江,王秀,陈立平,薛绪掌.基于GPS的农田多源信息采集系统的研究和开发.农业工程学报19 4.2003,19(4),全文. * |
| 黄兴荣，潘瑜春，汪梅.基于GSM和GPS的空间信息采集更新系统.计算机技术与发展16 9.2006,16(9),全文. |
| 黄兴荣,潘瑜春,汪梅.基于GSM和GPS的空间信息采集更新系统.计算机技术与发展16 9.2006,16(9),全文. * |
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