CN110728433B - Land occupation population measuring and calculating method based on mobile phone signaling - Google Patents
Land occupation population measuring and calculating method based on mobile phone signaling Download PDFInfo
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Abstract
The invention provides a land occupation population measuring and calculating method based on mobile phone signaling, which comprises the following steps: 1) Identifying an effective land block in which people live for a long time; 2) Calculating the living population of the effective land block by using a population sample expansion discrete model based on the mobile phone base station; 3) Fusing and expanding population data based on mobile phone signaling of mobile phone operators; 4) And verifying data and checking the land parcel data by a land parcel current state building quantity and occupancy rate method and a land sampling investigation method. According to the invention, the population is scattered to the land, and the truly existing population is distributed to the corresponding land through the signal transmission relation between the mobile phone terminal and the base station, so that the errors caused by subjectivity in selecting geographic topography factors, purely separation from current social development and human activities are avoided, and the method is suitable for popularization and application.
Description
Technical Field
The invention relates to a population measuring and calculating method, in particular to a land occupation population measuring and calculating method based on mobile phone signaling, and belongs to the technical field of urban space.
Background
The population space discretization is the most important supporting means for population distribution, and the acquisition of high-precision population space distribution information on different scales is significant for correctly knowing population distribution rules, analyzing interaction mechanisms of population, resources, environment and socioeconomic development, and improving comprehensive management capability of population, resources and environment. At present, the three directions are mainly divided: firstly, quantitatively researching the relationship between geographic topography factors (such as gradient, river, vegetation coverage and the like) and population distribution; secondly, building space elements (such as lamplight) discrete population data through urban economy development; thirdly, directly researching a mathematical model, and providing urban population distribution rules through the corrected or optimized mathematical model. When a researcher selects geographic topography factors influencing population distribution, the selection standard is not uniform, the influence weights on the factors are not uniform, the subjectivity of the whole process is strong, and the deviation of population discretization results is also uncontrollable; the urban economic development construction space data can reflect population density conditions to a certain extent, but the lowest discrete value is rough, the use requirements of urban researches and managers are far not met, meanwhile, as key objects of urban development are in urban areas and the investment of town areas is relatively less, the gap between urban areas and town areas can be enlarged on economic development construction elements, and the density of the simulated population is enlarged compared with that of actual population, and the town areas are reduced; as for the method of exploring population dispersion by continuously optimizing mathematical models, a thinking way is given in the research field, but the practicability is relatively weak.
The city development and construction takes plots as basic units, each plot has basic city attribute information, including land use numbers, land use properties, land use areas, building quantities, volume rates and the like, people are scattered to the same level, important data support is provided for plot level multivariate data fusion, and the population data is more practical.
Therefore, the development of a set of methods which are discrete to land, can acquire the population space distribution information more accurately and are suitable for urban management research and construction management is particularly necessary.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a population space discretization method based on mobile phone signaling identification, which has the advantages of discretized population data to land parcels, fine scale and capability of avoiding errors caused by subjectivity on geographic topography factor selection.
In order to achieve the above object, the present invention provides the following technical solutions: a land occupation population measuring and calculating method based on mobile phone signaling comprises the following steps:
1) Identifying an effective land block in which people live for a long time;
2) Calculating the living population of the effective land block by using a population sample expansion discrete model based on the mobile phone base station;
the population sample expansion discrete model is as follows: a. when the population is distributed in the land, the population is directly incorporated into the land for accumulation calculation; b. when population distribution is within a 100-meter range of the land, calculating the linear distance between the population and the mass center point of each land within the 100-meter range, and incorporating the population into the land for calculation according to the principle of nearest distance; c. when the population is distributed in the range of 100 meters to 1000 meters of land, and only one land is arranged at the periphery, the population is included in the unique land calculation in the range of 1000 meters; d. when population is distributed in the range of 100-1000 meters of land parcels and at least two or more land parcels are arranged on the periphery, the population is influenced by a plurality of base stations, and the population is respectively distributed to all land parcels in the range of 100-1000 meters according to different distribution weights; e. when the population has no land block within the range of 1000 meters around the population, the 1000 meters basically exceed the service distance of the base station, the population data has large error, and the population does not contain the measured land block range.
3) Fusing and expanding population data based on mobile phone signaling of mobile phone operators;
4) And verifying data and checking the land parcel data by a land parcel current state building quantity and occupancy rate method and a land sampling investigation method.
Preferably, areas without long-term occupancy of the population, commercial land, traffic facility land, green land and square, and industrial grade storage are used as invalid plots without measurement.
Preferably, in step 2), the population number living for more than 18 days in each month is monitored based on mobile phone signaling identification.
Preferably, the population where a fixed stay occurs during the night for a plurality of days is defined as a resident population as a discrete population data is required.
Preferably, the measurement range is not included in the plots with the residential building quantity of less than 200 square meters.
According to the technical scheme, the population is scattered to the land, the truly existing population is distributed to the corresponding land through the signal transmission relation between the mobile phone terminal and the base station, the error caused by subjectivity of selecting geographic topography factors, social development purely separated from the current situation and human activities is avoided, and the method is suitable for popularization and application.
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In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic block diagram of base station population and block space position matching in the present invention
Detailed Description
The present invention will be described in further detail with reference to specific examples.
The method for measuring and calculating the residential population of the land block based on the mobile phone signaling shown in fig. 1 comprises the following steps:
1) Identifying an effective land block in which people live for a long time;
2) Calculating the living population of the effective land block by using a population sample expansion discrete model based on the mobile phone base station;
the population sample expansion discrete model is as follows: a. when the population is distributed in the land, the population is directly incorporated into the land for accumulation calculation; b. when population distribution is within a 100-meter range of the land, calculating the linear distance between the population and the mass center point of each land within the 100-meter range, and incorporating the population into the land for calculation according to the principle of nearest distance; c. when the population is distributed in the range of 100 meters to 1000 meters of land, and only one land is arranged at the periphery, the population is included in the unique land calculation in the range of 1000 meters; d. when population is distributed in the range of 100-1000 meters of land parcels and at least two or more land parcels are arranged on the periphery, the population is influenced by a plurality of base stations, and the population is respectively distributed to all land parcels in the range of 100-1000 meters according to different distribution weights; e. when the population has no land block within the range of 1000 meters around the population, the 1000 meters basically exceed the service distance of the base station, the population data has large error, and the population does not contain the measured land block range.
The formula for calculating the assigned weights is:
q in i The distribution weights of the 1 st, 2 nd and … th land block i in the range of 100 meters to 1000 meters of the representative regional population; wherein the basis weight P i The calculation formula of (2) is as follows:
d＝max(0，dis-100)
p in the formula i Basic weights representing the 1,2, … n plots i of the population of the region in the range of 100 meters to 1000 meters;
dis represents the linear distance of the population of the region to the centroid point of the i plot.
And beta represents an influence coefficient, beta is determined according to multiple sensibility tests, and specifically, beta=20, 30, 40, 50 and 100 are respectively selected to test distribution results in the selected multiple plots, and a threshold closest to the field investigation test is selected to determine a final beta value.
3) Fusing and expanding population data based on mobile phone signaling of mobile phone operators; a. superposing mobile, UNICOM and telecom population discrete results, and adding land parcel administrative area labels; b. according to the proportion of 10% of non-real users (equipment cards and internet of things cards) mastered by a mobile company, eliminating interference users from the full-sample monitoring result; c. according to the 18-year resident trip investigation result (the number of mobile phones is 63868, the number of mobile phones exceeds 5952 of 1, the ratio is 9.2%), one person and multiple users are removed; d. and (4) according to the survey results (the number of mobile phones is 63868, the total number of mobile phones is 72170, and the ratio is 88.2%) e of the traveling of 18 years, the population of the land is expanded according to the proportion of the non-real users of the administrative areas to which the land belongs, the proportion of multiple levels of one person and the mobile phone permeability. Cell phone permeability = cell phone number/general population; one person multiple phone ratio = number of mobile phone users/number of mobile phone numbers; non-real user ratio = number of mobile phone number/number of mobile phone devices;
4) And verifying data and checking the land parcel data by a land parcel current state building quantity and occupancy rate method and a land sampling investigation method.
Further, areas without long-term living conditions of the population, commercial land, traffic facility land, green land and square, and industrial grade warehouse are used as invalid plots without measurement and calculation.
Further, in step 2), the population number living for more than 18 days in each month is monitored based on mobile phone signaling identification.
Further, the population where a fixed stay occurs at night for a plurality of days is defined as a resident population, as population data to be measured.
Further, plots with less than 200 square meters of residential building are not included in the measuring and calculating range.
According to the invention, population is scattered to land parcels, population numbers of different land parcels can be obtained through the signal transmission relation between the mobile phone terminal and the base station by positioning the base station, and the factors such as geographic topography and the like are not required to be referred, so that the population is not directly influenced by urban social development and human activity, the population is scattered to the same land parcels level, important data support is provided for land parcels level multivariate data fusion, and population data is more practical and suitable for popularization and application.
The foregoing has described in detail the technical solutions provided by the embodiments of the present invention, and specific examples have been applied to illustrate the principles and implementations of the embodiments of the present invention, where the above description of the embodiments is only suitable for helping to understand the principles of the embodiments of the present invention; meanwhile, as for those skilled in the art, according to the embodiments of the present invention, there are variations in the specific embodiments and the application scope, and the present description should not be construed as limiting the present invention.
Claims (6)
1. A land occupation population measuring and calculating method based on mobile phone signaling is characterized by comprising the following steps:
1) Identifying an effective land block in which people live for a long time;
2) Calculating the living population of the effective land block based on a population sample expansion discrete model of the mobile phone base station;
the population sample expansion discrete model is as follows: a. when the population is distributed in the land, the population is directly incorporated into the land for accumulation calculation; b. when the population is distributed in the range of 100 meters of the land, calculating the population and the population in the range of 100 meters, when the population is distributed in the range of 100 meters to 1000 meters of the land, and the population is included in the unique land calculation in the range of 1000 meters by only one land with one land; d. when population is distributed in the range of 100-1000 meters of land parcels and at least two or more land parcels are arranged on the periphery, the population is influenced by a plurality of base stations, and the population is respectively distributed to all land parcels in the range of 100-1000 meters according to different distribution weights; e. when plots are not found in the range of 1000 meters around the population, the 1000 meters basically exceed the service distance of the base station, the population data has large error, and the population does not contain the measured plot range;
3) Fusing and expanding population data based on mobile phone signaling of mobile phone operators; a, superposing mobile, UNICOM and telecom population discrete results, and adding a land parcel administrative area label; b. removing interference users from the full-sample monitoring result according to the proportion of the non-real users mastered by the mobile company; c. according to resident trip investigation results, eliminating one person and multiple users; d. according to resident trip investigation results, expanding land block population according to the proportion of non-real users in administrative areas to which the land block belongs, the proportion of multiple levels of one person and the permeability of mobile phones; wherein, handset permeability = handset user number/general population; one person multiple phone ratio = number of mobile phone users/number of mobile phone numbers; non-real user ratio = number of mobile phone number/number of mobile phone devices;
4) Verifying data by a land mass current building quantity and check-in rate method and a land sampling investigation method, and checking land mass data;
the calculation formula of the distribution weight is as follows:
weighting;
dis represents the linear distance of the regional population to the centroid point of the i plot;
beta represents an influence coefficient.
2. The method for measuring and calculating the residential population of the land based on the mobile phone signaling as set forth in claim 1, wherein the method comprises the following steps: areas without long-term population living conditions, commercial land, traffic facility land, green land and square, and industrial grade storage are used as invalid plots, and no measurement is made.
3. The method for measuring and calculating the residential population of the land based on the mobile phone signaling as set forth in claim 1, wherein the method comprises the following steps: in step 2), the population number living for more than 18 days in each month is monitored based on mobile phone signaling identification.
4. A method for measuring and calculating land occupation population based on mobile phone signaling as defined in claim 3, wherein: the population where a fixed stay occurs during the night for many days is defined as a resident population, and is taken as population data to be measured and calculated.
5. The method for measuring and calculating the residential population of the land based on the mobile phone signaling as set forth in claim 1, wherein the method comprises the following steps: and the land parcels with the residential building quantity of less than 200 square meters are not included in the measuring and calculating range.
6. The method for measuring and calculating the residential population of the land based on the mobile phone signaling as set forth in claim 1, wherein the method comprises the following steps: and the beta value is determined according to multiple sensibility tests, specifically, beta=20, 30, 40, 50 and 100 are respectively selected to test distribution results in the selected multiple plots, and the threshold closest to the field investigation test is selected to determine the final beta value.
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| CN111651727B (en) * | 2020-05-29 | 2023-09-26 | 京东城市(北京)数字科技有限公司 | Method and device for calculating overall population transfer quantity among areas |
| CN112954623B (en) * | 2021-02-02 | 2022-05-20 | 苏州丽景智行交通工程咨询有限公司 | Resident occupancy rate estimation method based on mobile phone signaling big data |
| CN116193369B (en) * | 2022-12-13 | 2023-10-27 | 南京大学 | Resident population generation rate estimation method based on mobile phone signaling data |
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