Life expectancy sequence encryption estimation of China's provinces and cities and night light space-time coupling method thereof

A life expectancy, provincial and municipal technology, applied in forecasting, calculation, complex mathematical operations, etc., can solve problems such as inability to calculate life expectancy, simple life table calculation of life expectancy, incomplete age group, etc.

Inactive Publication Date: 2017-09-05
HUAZHONG NORMAL UNIV
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Problems solved by technology

[0007] The compilation of this table mainly relies on the complete age group data in the census or 1% population sample survey. However, the census conducts a survey every 10 years, and the 1% population sample survey is only conducted in the year of every "5". Missing data prevents calculation of life expectancy
Although the statistical yearbook data with the same authority is collected once a year, the incomplete age group also makes it impossible to directly use the abbreviated life table to calculate life expectancy

Method used

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  • Life expectancy sequence encryption estimation of China's provinces and cities and night light space-time coupling method thereof
  • Life expectancy sequence encryption estimation of China's provinces and cities and night light space-time coupling method thereof
  • Life expectancy sequence encryption estimation of China's provinces and cities and night light space-time coupling method thereof

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Embodiment Construction

[0019] In order to facilitate those of ordinary skill in the art to understand and implement the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the implementation examples described here are only used to illustrate and explain the present invention, and are not intended to limit this invention.

[0020] In the embodiment, the death rate of the complete age group with individual (only 3) default values ​​( n m x ) data (see Table 2), therefore, the research time series can be extended to 1992 from the example time series 2000-2013 of the present invention.

[0021] Table 2 The mortality rate of age groups in Hainan Province from 1992 to 1999 ( n m x )

[0022]

[0023]

[0024] Note: 85-89 years old in 1996 refers to the data of 85 years old and above

[0025] please see figure 1 The present invention provides a time-series encryption estim...

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Abstract

The invention discloses a time-series encryption estimation of life expectancy of provinces and cities in my country ("city" in the invention specifically refers to municipalities directly under the central government) and a method for coupling it with luminous time and space, including calculating the total night light SOL of the province / city, calculating the average population of the province / city There are three steps: life expectancy ex, constructing the temporal-spatial coupling model between the total amount of night lights in a province / city and life expectancy; this invention not only establishes and confirms for the first time that there is a strong correlation between provincial and city-scale night lights and life expectancy, but also provides a The new perspective of estimating and analyzing the life expectancy of different years at the provincial and municipal scales from the angle of light provides evidence in the field of luminous remote sensing for the life expectancy at the provincial and municipal scale calculated by the conventional simplified life table method. In addition, the confirmation of the correlation between the two also promotes It has established the integration of luminous remote sensing and health geography, and enriched and developed related theories and method systems.

Description

technical field [0001] The invention belongs to the technical field of luminous remote sensing and health geography, and specifically relates to a time-series encryption estimation of life expectancy in provinces and cities in my country and a method for constructing a time-spatial coupling model with the total amount of light at night. Background technique [0002] Life expectancy (life expectancy, e x ) (also known as average life expectancy, or life expectancy) refers to the average number of years that people who have lived to a certain age can live again. If the age is not specified, it refers to the average life expectancy of the 0-year-old population. [0003] The current calculation of life expectancy generally uses abbreviated life expectancy, and Table 1 is the abbreviated life table of Hainan Province in 2010; [0004] Table 1 The simplified life table of Hainan Province in 2010 [0005] [0006] [0007] The compilation of this table mainly relies on the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q50/22G06Q50/26G06F17/18
CPCG06Q10/04G06F17/18G06Q50/22G06Q50/26
Inventor 李畅王安丽龚胜生
Owner HUAZHONG NORMAL UNIV
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